How To Add To the Start of Arrays - JavaScript Array Unshift (In 2 Mins)

The array "unshift" method in JavaScript lets you add items to the beginning of an array. This is opposed to "push" which adds items to the end of the array. Let's have a look at it and it's intricacies.

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[bmehder]

Every time you mutate an array, a puppy dies. Please, think of the puppies. Use concat(). Good to be aware of this method though.

[montebont]

The default to unshift multiple values make perfect sense IMHO. It is expected behavior...