It's difficult to explain the case by words, let me give an example:  var myObj = {     'name': 'Umut',     'age' : 34 };  var prop = 'name'; var value = 'Onur';  myObj[name] = value; // This does not wor...
I'm looking for a decent implementation of a set data structure in JavaScript. It should be able to support elements that are plain JavaScript objects.  So far I only found Closure Library's structs.Set, but I don't like the fact that i...
It maybe because Sets are relatively new to Javascript but I haven't been able to find an article, on StackO or anywhere else, that talks about the performance difference between the two in Javascript. So, what is the difference, in terms of pe...
How do you compare two javascript sets? I tried using == and === but both return false.  a = new Set([1,2,3]); b = new Set([1,3,2]); a == b; //=> false a === b; //=> false   These two sets are equivalent, because by definition, sets do not ha...
Is there any way to map/reduce/filter/etc a Set in JavaScript or will I have to write my own?  Here's some sensible Set.prototype extensions  Set.prototype.map = function map(f) {   var newSet = new Set();   for (var v of this.values()) newSet.ad...
I'm trying to accomplish some animation with sets in Raphael, but even though an opacity animation worked, I cannot succeed in moving a set (or even a circle) around the canvas.  I found on the Web that moving a set should be done with setting tr...
In Eloquent JavaScript, Chapter 4, a set of values is created by creating an object and storing the values as property names, assigning arbitrary values (e.g. true) as property values. To check if the value is already contained in the set, the in ope...
I have a set that I've added a list to.  var a = new Set(); a.add([1]);   Now I check if [1] exists in a:  a.has([1]); > false   Based on the spec, this might be happening because if type is same for two objects being compared:     Return true...
How can you set the Content-Type header to "application/x-www-form-urlencoded; charset=UTF-8" using JavaScript?  I need to do this so I can view a form with french characters without generating errors.  Thanks...
Are there already some javascript functions that do the same as the cakephp functions Set::combine and Set::classicExtract on client side in the browser? http://book.cakephp.org/2.0/en/core-utility-libraries/set.html  So that I can bring this array:...

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