Object property returns undefined. This way, I can access the userData values by index.

Object property returns undefined The problem comes when I attempt to access the keys pressed: var Keys = re Nov 23, 2011 · This is a very strange one. x just doesn't work if you actually want to pass the proxy around. Jul 29, 2012 · @AlanH spread operator is like a shorthand of Object. c) return undefined I am not getting when trying to give a console. log on any object, the created properties are there. The problem is that I can't access to those objects, as they are returned as undefined. These are the relevant fragments of my code: Oct 19, 2022 · When I pass the whole object to the component and log it in the console it works fine. log("reesult id " + JSON. So if you want to have a module that is at the same time an object and a function like jQuery for example, the constructor pattern isn't the right way to do it. You must first get a reference to the object before you access its properties. Even when this is not the Aug 29, 2015 · All of the other properties (including the images JSON converted to an array of objects) are rendering fine if I remove the call to my links property. toString ( ) When the toString method is called, the following steps are taken: If the this value is undefined, return "[object Undefined]". js. You may also call getElementsByClassName on any element; it will return only elements which are descendants of the specified root element with the given class names. You might use in accompanied with a ternary operator to accomplish this: const object = { }; Jan 17, 2025 · Troubleshoot and resolve the common TypeError: Cannot read property 'x' of undefined in JavaScript. evolves_to[i]. There is another error in that you think Object. dealObj); A screenshot of the output is below: Note that although Jan 1, 2015 · 15. Could you please go through the code and let me know the mistake I'm making. prop), it first looks if the property is directly defined over the object or not. Returning {user. Try to comment or delete the following line: catalog = JSON. This gets the undefined part of myVar. If you want to force to set a context for this you can use bind() method. In 0. 3. May 7, 2023 · There are various methods for detecting undefined object properties, such as using the typeof operator, the in operator, or the hasOwnProperty method. coachingTimeframes) => undefined return coach; }; I've never used stringify() function but I've read the docs and it says it converts a JSON object into a String. e. Hence Jun 15, 2012 · I have an object that has properties, but when I try to access them, it always returns undefined. length; i++){ console. name (the line causing the app to crash), I get the pokemon name, and it's correct! and then it crashes on Therefore, the colors[3] returns undefined. Explore Teams Feb 16, 2017 · Effectively Object. name) or console. prototype. eg: project. parse(string); json. object. Why is this so terrible? Nov 4, 2022 · As you might have noticed, I have added third path: return undefined, this is because in order to infer bar key, you need to put it into else branch. – May 16, 2019 · I have an object dmDocumentLinks, when I print it to console it shows the object with property values. id, where data comes in as full object and hostId is shown undefined when its actually present in the json object, here's how it looks: Jul 11, 2013 · Your . javascript object - why undefined properties? 0. log(userData[0]. Related. prop); Oct 10, 2013 · Returns a set of elements which have all the given class names. log(keycloak) it will output whole keycloak object. currentPage = 1 after my object [] But, it doesn't currently. log(DATASTORAGE, DATASTORAGE. log(): for (var i=0; i < artists. 2. I'm writing 2 different cases to give a better understanding about my problem. No problems there. log(user['time']; } When I console. currentPage); The function could hold the property, as you found out: I know I can do ordersUtil. I have looked at a couple of articles that I will refrence below, but the problem for those users were things such as needing to use: Sep 19, 2021 · The language design has specified that trying to access a non existent property on an object will simply return undefined. I have a function that returns an object, and I can see that object and all of its properties when it is logged to the console in Safari, but I can't get the property values for other functions. (property). But when i use, console. The part I'm confused about is that when I log the entire object to the console, I can see the property being set properly, but when I log the object property itself it appears as undefined. SerializeObject() call, the json is automatically parsed into an object at the browser but I am currently unable to access the properties without "undefined" being returned. I was able to successfully get the JSON object from the API, however when I try to access a property of the JSON object, it returns undefined. Aug 5, 2017 · Ask questions, find answers and collaborate at work with Stack Overflow for Teams. Jul 13, 2017 · article is an object variable. log(article[0 Mar 20, 2014 · Essentially it's an object that takes the input of 3 text boxes and concatenates them into a string. log(orders. Here's the JSON data: Case 1: If I just try to access the company_base object, I'm getting the Undefined Feb 2, 2011 · I've tried setting the async property to false on the ajax call and it still behaves the same. Oct 10, 2017 · Object property always returns undefined. Accessing a property that doesn’t exist in an object returns undefined: Let’s understand with the below example code: Mar 23, 2014 · It's undefined because the function itself doesn't have that property. So you should be doing Feb 5, 2014 · I check for a property on an object but it returns undefined even though it is there. Even if i reload it stays there on console. May 13, 2016 · It iterates through all the object properties, i. Jun 10, 2020 · This one returns the value of organization if it is falsy (like undefined, null, false,), or returns organization. log(object) returns everything, including the desired key. name) => "name" console. . email); //returns the actual value Jul 29, 2016 · When you were trying to get body property of string which will be undefined since there is no property like body for a string. In ES2015 a. Jul 23, 2010 · I'm having trouble figuring out how to access object properties in Javascript. Ask Question Asked 2 years, 2 months ago. If Type(V) is not Reference, return V. k. Your best bet whenever you're having problems, is either to use . For example: console. class dataSet { constructor ( item ) { this. console. For example, how The different proxy implementations are all over the place. My goal is to get a json response, parse the IDs and create several new requ Feb 20, 2022 · product is just a blank object before you call from the API using useEffect. log(JSON. In all non-legacy browsers, undefined is a non-configurable, non-writable property. __proto__ and not o. country. Model object returns expected string but if I directly call the property, it returns undefined. addEventListener('scroll', => { this. It is likely adding the newlines for readability. log() the object, everything looks correct. 4. getCoachingTimeframes = async (id, date) => { console. upgProd); but I still end up getting an undefined. Feb 7, 2017 · I'm having this problem. It returns this object: [ Object currency_code: null iso: "USA" iso3: "USA" name: "USA" states: Array[51] __proto__: Object ] Oct 18, 2021 · Angular 2 - Object properties are return as undefined but they exist. Mar 13, 2017 · actually an array is an object except its properties are numbers between 0 an 2³² - 2 and the length property, so yes you can do : var pos = []; pos. log(coach) => object console. assign and have lower precedence than the && operator. toObject() on the output to convert the model into a plain JS object. If the this value is undefined, return "[object Undefined]". Jun 25, 2017 · The object is retrieved from the server and apparently is deserialized properly into its corresponding typescript object, but when I try to access a property it returns undefined, even though when I print the object to the console right before trying to access these properties, the data appears to exist. Aug 12, 2018 · console. Let class be the value of the [[Class]] internal property of O. 3. In summary, I am getting undefined for property that is populated. log. It defines what can be store in that property, not what it contains. I am returning an object in Nodejs. log(this. log(organization && organization. map in the properties, I can not access the created properties, returns undefined. Student. Understand object initialization, property access, and implement effective solutions. __proto__ and then o. length. log("type of data: "+typeof(data)); console. dmDocumentLinks); returns createdAt: "2019-05-16T12:09:52" createdBy: "adm Jul 27, 2019 · This for-in loop I wrote is printing values of "undefined" for all of the object properties: let user = { id: 1, name: "Some name" }; for (let prop in user) console. stringify(article)); When I do this, it outputs me: [{"Id":43}] and when I do: console. getFoo(); }); Jun 13, 2022 · When I try to compile the code It crashes saying: TypeError: Cannot read properties of undefined (reading 'species'), so I think that it means because I typed the object wrong, but That's not it, If I console. Jul 4, 2019 · console. 8. This is the class and the constructor. 7. Returns undefined. data, it returns undefined or falsy values, despite the console log just having shown that the object exists with properties. var json = JSON. You could have a loading component that shows while product is still a blank object with no properties, and renders product when it is not a blank object. You should assign a value first, otherwise, it will be undefined. __proto__ etc until it either finds the property or the proto chain ends in null (in which case the property is undefined). token) It will output token from keycloak object but when i reload the page it gives me undefined on console. But when i execute, all data return correctly, except this total. It'd return "[object Object]" as that's the default implementation for all JS objects. cannot access json object property returns undefined. foo) or try to modify the object it says undefined. I have an object defined that looks something like, { "data": { "text": "hello" } } that I import into my code using something like import * as myBlob from . Modified 7 years, 5 months ago. You are trying to access a String property so it returns undefined. Adding it in will resolve the issue. Array of objects on Vue method. Accessing a out-of-bounds array element returns undefined. Assuming you have just one . Mar 28, 2018 · This looks like a normal object. Sep 15, 2021 · As mentioned by @Pointy you have not defined the age property in your object, for that you have created a function called calcAge if you don't call it then the property would be undefined which is what is returned. When inside the function when I do console. If that is happening, it means that the key is missing from the Mongoose Schema. stringify you will see that the object is empty. , the new optional chaining operator: Feb 9, 2017 · First, the callback from a Mongoose find returns an array findOne will return a single object. It returns true if the object has the property and false if the If I'm deleting the last object, all works fine: var getGroupID = 50403; var getDelivery = bike; But if I'm deleting the first object: var getGroupID = 50303; var getDelivery = mail; I get an error: TypeError: Cannot read property 'groupID' of undefined Why so and how to solve it? Edit: If there is only one object all is fine too. Does anyone know what may be causing this issue? I have shortened the code for this example to make it more clear. But when I try to access the properties like console. * @typedef {Object} Point * @property {number} x - The X Coordinate * @property {number} y - The Y Coordinate */ And use it as the return type: /** * Returns a coordinate from a given mouse or touch event * @param {TouchEvent|MouseEvent|jQuery. This object has 3 properties. You would produce exactly the same result if you had assigned it UnDeFiNeD or NotFineAtAll or _qwertyuiop. log(self. log(keycloak. data or object?. , it is a variable in global scope. species. /data. registration[0]. 3" package and the result is a RowDataPacket object. Sep 30, 2016 · I'm having the same issue as mentioned here: Can't access object property, even though it exists. log(Obj) return Obj: {a: 1, b: 2, c: 3} console. The Object. It's most likely a string - try typeof resp . Why does object in array return undefined? Ask Question Asked 4 years, 8 months ago. The typeof operator returns a string indicating the type of the unevaluated operand. a); // undefined Jun 23, 2017 · The videoList object will eventually hold a large list of videos and the addNew and removeOld will handle the arrays upkeep. Some Angular objects do not have a value for a property. The in operator in JavaScript allows you to check if an object has a specific Oct 5, 2015 · Either you prefill the state with a correct structured object or wrap in if clauses. log(resources. 6. Nov 3, 2021 · How to extract other attributes from Keycloak object ? Right now, If i use, console. However, logging them in the console (with Google Chrome), the objects are actually there. undefined is a property of the global object; i. Viewed 215 times Jul 25, 2024 · undefined is a property of the global object. Angular object undefined. So I do. log(uid); console. LoginInfo["ConstituentId"]} results in the error: Uncaught TypeError: Cannot read property 'ConstituentId' of undefined Dec 2, 2022 · I will provide screenshots + code snippets. Jan 27, 2013 · When JavaScript can't find a property on o it searches for the property on o. Nov 13, 2014 · I working in a pagination function for a expressjs application. getOwnPropertyDescriptor() method returns a property descriptor for an own property (that is, one directly present on an object, not present by dint of being along an object's prototype chain) of a given object. 6. If this value is none of the above, Let O be the result of calling toObject passing the this value as the argument. 2 Object. May 30, 2017 · At present, I think the best answer is to use either Flow or Typescript to enforce static type safety. Nov 26, 2023 · Using in operator or hasOwnProperty method to check if a property exists. lean() as part of your query, or call . That is, it is a variable in global scope. Proxy in 0. propertyName === "undefined") { // Do something if the property is undefined } Jun 2, 2021 · Your object is not undefined, nameObj. name So I'm writing a game, and I've got a module that returns the keys currently being pressed via jQuery. log(json. a ES6, class is a syntactic sugar for functions. _item; } Jun 28, 2022 · Solved. Oct 19, 2022 · The problem is that your variable portfolioProject is an Array of objects. Javascript object property undefined (but property is set) 1. Feb 17, 2018 · js object returns undefined even though property is there. As @chetan pointed, on invocation you can set the context as well! Common Mistakes to Avoid When Dealing with Undefined Object Properties. property is equivalent to object["property"] You can try: var obj = JSON. key15 will come before key7, which might not be what one expects). This way, I can access the userData values by index. your entire state is a posts array instead of a state object like { posts @MikeHometchko - I'd take your bet: non-existent properties do return undefined, whereas properties that are null return null (and if by "empty" you mean an empty string that would return, well, an empty string); to make things even more confusing, properties that do exist but that have been assigned the value undefined also return undefined. handle May 27, 2022 · This will return a number if value is present in item, if not, it will return undefined. Javascript object returns undefined. This is my schema : var schema = new mongoose. While global variables become properties of the global object, trying to resolve a variable and trying to access a property of an object are two different things. var number = 0; fetch(url, numberValue); // fetch data from API, returns a string like "5489721" function numberValue(response) {// invoked by fetch, it's parameter is the fetch response. var obj = {}; console. If the this value is null, return "[object Null]". I'm still learning about objects but from what I gather shouldn't the videoList object be in the global scope and accessible to the loadTracks() function? May 7, 2014 · I use the following code to assign role property to another variable followed by some console log checks: currentUserRole = data. Syntax: if (typeof objectName. When I try to add a property when logging it the value returns undefined. stringify() preprocesses the object using Object#toJSON(), if the method exists on the object. A variable that has not been assigned a value is of type undefined. Object properties return 'undefined' on Javascript. hostId. Dec 21, 2013 · The properties you are trying to access are members of the object, not the array. log(Obj. As you can see in the example below, when simply logging the object, It's able to read the data, however as soon as I try object. json. log after the . Using the in Operator to Check Object Properties. the divs[ind] can be one of the jQuery methods or properties and not just a DOM element. Accessing an object property with a dynamically-computed name. I am using this function to get individual properties from an object. I can access the first two, but when I try to access the third property, I get the 'undefined' warning. Mar 31, 2016 · I am trying to learn how to create JavaScript class in another . Feb 18, 2014 · I pass an object into a function with the call() method to modify that object. When you assign write var foo = undefined; you are assigning it the value of the symbol undefined which you haven't defined and hence the value you'll get is "undefined". I know for sure Oct 19, 2018 · Returns undefined when finding an item in an array in VUE. The in operator returns true if the property is found in the object or its prototype chain. logging and object and it's property like so: console. Object that contains all properties, followed by direct call: Apr 20, 2018 · It returns undefinded, since (for reasons unknown to me) this refers to the window object if getFoo is called as a callback in an addEventListener function. log(artists[i]. Using Chrome, I attached the object to window and in the console, if I do, window. Ask Question Asked 7 years, 3 months ago. key) returns undefined. Mongoose find returning odd object. __proto__. May 11, 2014 · undefined is not a keyword. UPDATE 2019-10-17: The optional chaining proposal reached Stage 3 on the ECMAScript committee process, this will allow you to safely access deeply nested properties, by using the token ?. Mar 26, 2023 · If you attempt to access an object property that doesn't exist, JavaScript returns the undefined value. 2. Summary. property undefined but console. log(object. log(id, date); const coach = await Coach. I am sorry but I'm not sure I understand what you mean exactly. getPrototypeOf(o) returns o. Jul 5, 2010 · Javascript object property undefined (but property is set) 1. modules[moduleId]); and it outputs this: Object composed: Array[2] prototypes: Array[2] slideshow: Slideshow cardFront: false currentSlide: 2 Jul 9, 2017 · However, when I try to access a property that is an array of Artwork ids, everything is undefined using console. After calling my class's constructor, its properties are undefined. post . I have read a few examples, but can't seem to understand it completely. These options weren’t really available when I wrote the original answer, but they offer a much better option than what the OP requested - with the right setup, you can see these errors right in your editor, rather than hitting unexpectedly at runtime. name otherwise. Feb 21, 2022 · resp. 5 / Firefox 4+), undefined is a non-configurable, non-writable property per the ECMAScript 5 specification. These are properties belonging only to that instance of the Object class, excluding any prototypically inherited properties and or methods. I realised that userData is getting result from MySQL query using the "mysql2": "^2. js file and access it from anywhere else. operator or with associative array indexing using []. Dec 29, 2015 · Yes, because once you create an object out of a Constructor with new, it's no longer a function but an object created by applying your Constructor function to a new object. 8 Object. Let O be the result of calling ToObject passing the this value as the argument. Even when this is not the case, avoid overriding it. What you have to do to be able to display each project is to make a loop to browse each project of this variable, so you will have access to the properties. Now if I used an arrow function inside myObj. Aug 3, 2022 · The object exists, but I can't access it's length or it's property. Ask Question Asked 7 years, 6 months ago. This function receives the pagination params and return a object with some information. log data. Hi, it's my first time asking a question here, I'm really new to the language. Since the jQuery object is an array-like object, it has numeric properties that refer to selected elements. Accessing an uninitialized variable returns undefined. method - window. log can see it-1. findById(id); console. every(key => obj[key] === undefined); Will accept an object and return true if the object is empty (no properties) or if all the properties have undefined value. stringify(data)); console. name) // `organization` is falsy, it will show its value organization = {name: "foo"} console. 4. If it finds there it retruns the value else returns undefined – Aug 7, 2022 · I am trying to create a simple js program of &quot;Today's menu&quot; using setters and getters. The hasOwnProperty method returns true if the property is found in the object itself, and false if it is inherited or not found. exports. parse(Object); alert(obj. Mar 13, 2024 · 3. I try to return console. defineProperty() method defines a new property directly on an object, or modifies an existing property on an object, and returns the object. If desc is undefined, return undefined. When dealing with undefined object properties in JavaScript, there are a few common mistakes that developers can make. log("user role: "+currentUserRole); Jul 10, 2015 · Object property returns as undefined (JavaScript) Ask Question Asked 9 years, 3 months ago. Object defined as object returns undefined. Uncaught TypeError: Cannot read property 'ConstituentId' of undefined Returning {user. attr returns undefined and you're trying to access its length. The first example uses the string 'key' as the property name, and 'val' as the value. stringify forces the console to read the whole object immediately instead of later when you expand the object in the console. Nov 16, 2022 · useSelector property returns undefined. or that's what it should do. You render the component while the object has no properties, so it errors when you access nested properties. stringify(catalog, null, 4); What you want is a JSON object, not a string ;) It’s possible to construct an object that implements the IPerson interface but returns a different value each time you access person[“hobbies”]. My Code: Jan 7, 2017 · I'm trying to access a JSON object but I'm getting errors while accessing the object. Mar 22, 2023 · When accessing an object property, sometimes it's necessary to set a default value if the property does not exist. I wrote a short example that shows how you can access the title attribute: <my-example title="foo!" Angular 5 Type Script. These are values that would return true in the following examples: // Create an Object with own properties var obj Aug 25, 2015 · The above function allows you to get the value of nested properties, otherwise will return undefined. Accessing property of this object. log(coach. toString() shouldn't be able to return {"exists":"True"} if the data was an object. Returning properties on a Of course you can have object properties that have undefined, null, or false values. One of this is total results from query (postgresql db). Now Object. For example trying to alert out one of the properties returns 'undefined'. values returns the values of the own properties of an object, not undefined for properties that are not there. 1. log(this) it returns the object fine, however when I try to do console. Finally, Object. Accessing array object property in vue. Aug 30, 2013 · get must be a function; its return value is used in reading the property; if not specified, the default is undefined, which behaves like a function that returns undefined; set must be a function; its parameter is filled with RHS in assigning a value to property; if not specified, the default is undefined, which behaves like an empty function May 19, 2017 · undefined Description. interface Person { firstname ? : string; // the "?" This will return undefined if the property is not found, otherwise it will return the "first" property (remember that d comes before e, but e. Event} e * A valid mouse or touch event or a jQuery event wrapping such an * event. prototype - __proto__ exists on all objects Now available on Stack Overflow for Teams! AI features where you work: search, IDE, and chat. I have no clue why since I define the variable but I still get undefined Sep 5, 2013 · Trying to get an undefined property doesn't throw an error, it simply returns undefined. In JavaScript, object properties can be accessed with . The hobbies property of IPerson is an array of objects with a name property, but having an empty array in there would also be valid Jun 7, 2023 · If the age property is undefined, the default value is used. keys(obj). The program is intended to return a random key and a value of the food and the price respectivly fro Jun 21, 2022 · Tour Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Aug 18, 2012 · const objEmpty = obj => Object. The initial value of undefined is the primitive value undefined. In modern browsers (JavaScript 1. Jul 29, 2020 · I'm relatively new to TypeScript and I'm confused about why using bracket notation on an object with variable as a key always returns undefined. Else returns false. 0. However, I'm trying to display a certain quantity popularity. I assume I am testing in the wrong way? I run this. foreach(function(user) { console. Every time I try to display it, I get a NaN instead of a number. If you called it, the Object that's returned, however, would: var orders = ordersUtil(); console. If you access an object property that does exist but has been set to undefined, it also returns undefined. However in my case it's a property with data. keys in that you think it returns a string - it doesn’t - it returns an array of strings. So there is no need to stringify a JSON string again just avoiding the stringify method would make it work. log(json['name']) I get undefined. If you call the calcAge function then age property would be defined and you can access it through the object. let organization = undefined console. get**Own**PropertyDescriptor instead). My Vue Component: If you change your log to to use JSON. It's possibly an issue of accessing properties of nested objects. id); Dec 19, 2019 · Why does property return undefined instead of object? 5. defineProperty() method is related to the javascript object: The Object. objects property undefined, even if not true. It ignore value without property (boolean, null, undefined, number), and add all properties of the object after the in place. I'm about to go crazy can you help me please? Request: Feb 11, 2010 · The following demonstrates an alternative approach for returning a key pair object using the form of (a, b). I am just console. However, when I give a console. log(prop + ": " + user. log("data: "+JSON. Apr 13, 2014 · Let desc be the result of calling the [[GetProperty]] internal method of O with property name P. The undefined is a primitive type that has a single value undefined. Sep 17, 2015 · Mongoose does funky stuff when it comes to accessing model properties. I'm trying to create this object with zeroes as the properties values, but it only returns 'undefined' when I try to access them, could someone please explain what is happening here? Feb 11, 2015 · Mongoose find() returns undefined property and strange object. For objects that returns null or undefined React will simply skip rendering it without any warnings or errors, however when you have nested structures that return null or undefined normal JavaScript behaviour is employed. stringify() works and attempting to access to key directly does not, is because JSON. Pagination function: Feb 25, 2017 · The most adequate way to do so is to create an object and assign the fetch response to one of it's properties. I'm having an issue where the property of an Dog[] is not accessible when using the map feature. stringify(data)); // Returns empty object Using JSON. g. Net JsonConvert. I. list_artworks); } When I access the other properties of my Artist, like BIO or Firstname, it prints successfully to my console: Apr 10, 2022 · I'm trying to get a user from my collection with findOne using its name attribute but it returns undefined whereas my user is in the db. Impossible to get property from mongoose object. Jun 5, 2022 · I've been trying to solve this for about 2 hours. key is undefined because it has not property called “key”. log(obj. However with if\else we ended up in a situation when return undefined is not reachable but TS complains about covering all pathes Aug 31, 2018 · I would like to loop through the objects in this array. title. I've tried to dd() the links property and it both shows that it's set, it's an array, and it's full of objects with both the properties (title, url) that I'm trying to access when it fails. But for other properties and methods the loop will simply fail. role; console. popularity. I'm working with Angular and calling an API to get an object that has other objects inside. keys returns a list of own enumerable properties on the Object instance. In a JavaScript, the correct way to check if an object property is undefined is to use the typeofoperator. For example : Apr 25, 2018 · Then I'm passing this value into a constructor to assign this value to an object's property. toString returns as undefined or "Uncaught TypeError: Property 'Student' of object [object Object] is not a function" when it should be last name, first name and then id number. When called on the document object, the complete document is searched, including the root node. item = item; } get item() { return this. Schema({ nam Jan 30, 2014 · The Object. remember the && operator return the right value if true, or false otherwise. This is true, since undefined is not a reference (alongside null, number, string and boolean) Let base be the result of calling GetBase(V). getPropertyDescriptor doesn't exist, even though the getPropertyDescriptor method is required on the Proxy and gets called when you look up a non-existent property (you can fake it by using Object. Here are some of the most common mistakes to avoid: Not checking for undefined: One of the most common mistakes is not checking whether a property is Aug 1, 2016 · When interpreter finds an object trying to access a property( newObj. Learn more Explore Teams What you have done here is telling the compiler that person is an object literal with 2 string properties firstname and lastname. As far as the new lines go, mongoose documents have a toString() helper for console. LoginInfo} actually returns an object, but obviously, can't print that to a string. My current json string being returned is (removed bulk of byte array): Jul 18, 2017 · The reason JSON. If not found, it looks up to Prototype object. undefined value in Object Properties. Typescript says object property possibly undefined altough is defined. Accessing a non-existing property of an object returns undefined. inneObject= {//object prop: 'property' }; Jan 16, 2019 · I've made an ajax call which has returned a json string from a . js object returns undefined even though property is there. Aug 13, 2022 · I am fetching a coach from my mongoDB database. pwhzgu lwaz tief krt lhvgkdf ngxg pnte gcksedkn kyvuz uizui vbsoj xhclw imgll guowu ydzcuky