This blog post is about comparing the running times of the most commonly used ways to loop through an array in JavaScript in order to see which one is the most efficient. Here is the code used for an ...

JavaScript’s arrays can hold heterogeneous types, change size on the fly, and readily insert or remove elements. Traditional methods like slice, splice, and push/pop do this by operating on the array ...

The Array object has always had some oddities. Methods like sort, reverse, and splice change the array in place. Other methods like concat, map, and filter create a copy of the array and then operate ...

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