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...
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...
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:...
I was asking myself this question. Is Set a hashed collection in JavaScript?  For example, Set.prototype.has will iterate the entire Set or do its implementations use an internal hash table to locate an item within the collection?...
Since Javascript doesn't have a built in set datatype has anyone come across a decent library for sets and set operations like union, intersection, etc?...
Is there a simple way to verify that an ES6 Set contains a value that is a particular array? I'd like a solution that doesn't require me to use a reference:  var set = new Set();  var array = [1, 2]; set.add(array); set.has(array); // true  s...

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