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I have a custom Javascript object that I create with new, and assign properties to based on creatio… Read more What's The Correct Way To Test For Existence Of A Property On A Javascript Object?

I need to calculate the width of an element's border. If I set it explicitly (via CSS), then I… Read more Javascript Style Property Is Empty

I have found that it is possible to nest another property within an object literal property. Here i… Read more How Far Can An Object Literal Be Nested?

I'm trying to create an object using a given string where each word has a property stating its … Read more Js Cannot Read Property "length" Of Undefined

If null value of javascript is an empty object so why can't add a property to it? the below cod… Read more Why Can't A Property Be Added To A Null Value?

I have trouble looking for a solution on how to read a properties file in reactJS. I've read th… Read more Reactjs Read A Properties File?

var car = { manyCars: {a: 'Saab', 'b': 'Jeep'}, 7: 'Mazda' }; Wh… Read more In Javascript, What Is The Difference Between A Property Name In Double-quotes ("") And Without?

can i use dash on the end of javascript object property name like this. I could not find in any doc… Read more Dash On The End Of Javascript Object Property

In angularJS how can I read a value from a properties file? connection.properties: url='ht… Read more Angularjs Read From Properties File

I have on one occasion found it useful to assign properties to functions before passing them as arg… Read more Is It Possible To Delcare An Anonymous Non-iife Javascript Function With A Property

In the following code, both uses of console.log(o.x) print 1. What happens to the assignment o.x = … Read more In Javascript, What Happens If I Assign To An Object Property That Has A Getter But No Setter?

So I have a JavaScript object like this: foo = { 'one': 'some', 'two': … Read more Can I Loop Through A Javascript Object In Reverse Order?

const test = new Date() test.hasOwnProperty('getTime') // false 'getTime' in test /… Read more HasOwnProperty('getTime') Returns False On Date Object

What's the fastest way to count the number of keys/properties of an object? Is it possible to d… Read more How To Efficiently Count The Number Of Keys/properties Of An Object In JavaScript

My code ise this: var cem = { 'name': 'cem topkaya' }; f_PropertyBul(cem); function… Read more Finding Sub Properties Of Javascript Object

My code ise this: var cem = { 'name': 'cem topkaya' }; f_PropertyBul(cem); function… Read more Finding Sub Properties Of Javascript Object

I am running through a react tutorial on tutsplus that is a bit old, and the code doesn't work … Read more Passing Keys To Children In React.js

I've got a collection of disparate, complex JSON objects from a CouchDB database. Each contains… Read more In Javascript, Test For Property Deeply Nested In Object Graph?

I have observed the following: var o = {}; // empty JS object var a = []; // empty JS array o.mypr… Read more Are JavaScript Array Elements Nothing More Than Array Object Properties?

can i use dash on the end of javascript object property name like this. I could not find in any doc… Read more Dash On The End Of Javascript Object Property