Functions that are non-destructive and avoid any other “side-effects” are said to be “pure functions.” We can use forEach in this way, but the Array.map() function is specifically designed ...

Pass primitive values as arguments to functions. Pass arrays to functions as arguments. Access items stored in arrays using the indexes, Add, remove and check for items in an array using the index and ...

In JavaScript, the forEach() method is used to process each element within an array. This method calls a function for each element in the array ...

If a return value is not required from the function, and the array created by Array.prototype.map() is not used, then go with the Array.prototype.forEach() function. The latter doesn’t return any ...

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I need to stick all these little snippets into one big function script and call that script at the start of all my other scripts. Poor man's module creation. More options ...