Jul 27, 2011 · Using a constructer function to create an object or object literal notation is using alot in JavaScript. Also creating an instance of Object and then adding properties and methods to it, there …

Apr 26, 2010 · Javascript 1.9.3 / ECMAScript 5 introduces Object.create, which Douglas Crockford amongst others has been advocating for a long time. How do I replace new in the code below with …

Oct 20, 2009 · In Javascript a function is an object, and can be used to construct objects out of together with the new operator. By convention, functions intended to be used as constructors start with a …

Functions are very special in Javascript. They are objects, they can create other objects and they automatically get a field called prototype. A prototype is a plain object with a single field, called …

Sep 18, 2011 · 7 I'm a relatively newbie to object oriented programming in JavaScript, and I'm unsure of the "best" way to define and use objects in JavaScript. I've seen the "canonical" way to define …

Sep 23, 2008 · Lastly if you are attempting to clone a known object structure in a hot loop you can get MUCH MUCH MORE PERFORMANCE by simply in-lining the clone procedure and manually …

Apr 8, 2009 · Also, an object's prototype is referenced with the attribute __proto__, which is also hidden, and will not be copied by a for/in loop iterating over the source object's attributes. I think __proto__ …

In JavaScript, I've created an object like so: var data = { 'PropertyA': 1, 'PropertyB': 2, 'PropertyC': 3 }; Is it possible to add further properties to this object after its initial

The new Object.fromEntries, from ECMAScript 2019, makes it even easier to transform values from an array into keys in an object like follows

This does not create a "normal" JavaScript object literal (aka map, aka hash, aka dictionary). It is however creating the structure that OP asked for (and which is illustrated in the other question linked …