Note: In the first example the functions are named and have their own this-context. In the second example, the this-context from outside of the functions is used. In the third example, the functions are not named, but have their own this-context. So while all …

Jul 8, 2013 · Similarly, arrays are also objects in JavaScript. On the other hand, objects can be thought of as associative arrays. The most important point however is that there are no classes in JavaScript because JavaScript is a prototypal object-oriented language. This means that objects in JavaScript directly inherit from other objects.

Jun 4, 2015 · javascript functions and objects using keyword 'this' does not work. 0. user defined function is not a ...

Mar 14, 2013 · In his Eloquent Javascript, Haverbeke claims that (page 16): "In a JavaScript system, most of this data is neatly separated into things called values. Every value has a type, which determines the kind of role it can play. There are six basic types of values: numbers, strings, Booleans, objects, functions, and undefined values."

Objects are values, and member functions of objects are values themselves (remember that functions are first-class objects in JavaScript). Also, regarding the concept that everything in JavaScript is an object; this is wrong. Strings, symbols, …

Oct 15, 2010 · Functions in javascript are first-class objects. So they're both functions and objects. Because they are first class objects, you can assign a variable to a function and give it properties, eg: var addName=function(){}; addName.blah = 1; If they weren't first-class objects you'd be limited to this syntax but you can do it both ways:

Oct 14, 2011 · I have recently been messing around with jQuery on my website, and I have a fairly limited knowledge of Javascript. I am beginning to like the jQuery ability to pass variables to a jQuery function inside the curly braces, like so:

In JavaScript, most functions are both callable and instantiable: they have both a and [[Construct]] internal methods. As callable objects, you can use parentheses to call them, optionally passing some arguments. As a result of the call, the function can return a value. var player = makeGamePlayer("John Smith", 15, 3);

Jan 18, 2012 · Putting functions on objects "because it's better" for example is stupid. (putting functions in global scope is also stupid, but that's not what were dealing with, assume module scope). Also nesting objects and functions beyond 4 layers deep get's silly. ideally you want one or two layers for your object / method chain foo.bar.baz() –

Aug 31, 2017 · In ES3 browsers (IE 8 and lower), the properties of built-in objects aren't enumerable. Objects like window and document aren't built-in, they're defined by the browser and most likely enumerable by design. From ECMA-262 Edition 3: Global Object There is a unique global object (15.1), which is created before control enters any execution context.