Some Arrays Javascript Methods You Might Want to Know ๐Ÿš€

Renan Ferro - Oct 13 '22 - - Dev Community

Hello everyone, today I want to talk a little about Array in Javascript and show some examples about it!

What is Javascript Arrays!?

In a nutshell, Arrays in Javascript are a hight level global object to make a something like a "list". Now, let's see some examples of methods with we can do with Array!

Array.prototype.length()

Get the length of items in your array.
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Array.prototype.find()

Returns the value of the first element that matches with its validation.
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Array.prototype.forEach()

Loops through each of the elements in your array.
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Array.prototype.includes()

Checks if Array contains certain element and returns true or false, respectively.
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Array.prototype.map()

Creates a new array with the values โ€‹โ€‹according to the function that was passed.
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Array.prototype.sort()

Returns an Array of sorted values, sorted in ascending order.
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Array.prototype.entries()

Returns a new Array object that has a key and value for each element of the source array.
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Array.prototype.push()

Add one or more new elements to the Array.
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There are many others Array methods, I wanted to bring some examples and I hope you liked it!

Have you seen or used them all on the list!? Leave a comment, it will be nice to hear about your experience with them!

See you soon folks!

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