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Let A and B be two sets. I’m looking for really fast or elegant ways to compute the set difference (A – B or A B, depending on your preference) between them. The two sets are stored and manipulated …
Is there a way to create a dynamic array of strings on Javascript? What I mean is, on a page the user can enter one number or thirty numbers, then he/she presses the OK button and the next page shows …
What is the most concise and efficient way to find out if a JavaScript array contains a value? This is the only way I know to do it: function contains(a, obj) { for (var i = 0; i < a.length; i++...