I am trying to capture read/write operations on a开发者_开发知识库ny IMG tag\'s \"src\" attribute. For that purpose I was trying to use the getOwnPropertyDescriptor & defineProperty functions on t
This question already has answers here: Closed 11 years ago. Possible Duplicate: Huge Integer JavaScript Library
I am not asking if this is okay: Object.prototype.metho开发者_开发技巧d = function(){}; This is deemed evil by pretty much everyone, considering it messes up for(var i in obj).
I\'ve been using the new keyword in JavaScript so far. I have been reading about Object.create and I wonder if I should use it instead. What I don\'t quite get is that I often need to run construction
Bounty Edit: I\'m looking for code written in a pure prototypical OO paradigm (think Self). Not a mixture of prototypical OO and classical OO. I don\'t want to see generic OO wrappers but simply usag
The benchmark: JsPerf The invariants: var f = function() { }; var g = function() { return this; } The tests:
If I define an object and set its configurable property to false, but leave all other props alone, and later attempt to set that object\'s writable prop to false, then back to true, a TypeError is thr
The Object.keys() method works fine for me with code like this: var foo = {foo: 1, bar: 2}; console.log(Object.keys(foo).length);
This question already has answers here: Short circuit Array.forEach like calling break (30 answers) Closed 5 years ago.
I\'ve seen, very often in fact, this cited as why to use K&R style when writing ECMAScript. function foo () {