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How to compare arrays in JavaScript?
I'd like to compare two arrays... ideally, efficiently. Nothing fancy, just true if they are identical, and false if not. Not surprisingly, the comparison operator doesn't seem to work. var a1 = [1,2,3]; var a2 = [1,2,3]; console.log(a1==a2); // Returns false console.log(JSON.stringify(a1)==JSON.stringify(a2)); // Returns true JSON encoding each array does, but is there a faster or "better" way to
Creating multiline strings in JavaScript
I have the following code in Ruby. I want to convert this code into JavaScript. What is the equivalent code in JS? text = <<"HERE" This Is A Multiline String HERE
Check if a variable is a string in JavaScript
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Simplest code for array intersection in javascript
What's the simplest, library-free code for implementing array intersections in javascript? I want to write intersection([1,2,3], [2,3,4,5]) and get [2, 3]
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