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demonixis/ArrayResize.js

Created April 15, 2015 13:51
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Resize an array with JavaScript is easy
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ArrayResize.js
var array = [1, 2, 3, 4, 5];
console.log(array.length); // 5
array.length--;
console.log(array.length); // 4
array.length += 15;
console.log(array.length); // 19
@sauravsahu02
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Short and useful example. So basically length serves dual purpose.

@samuelstein
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this changes only the length and does not add null values.

@vipin95
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vipin95 commented Aug 6, 2018

thanks bro.

@dzonekl
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dzonekl commented Apr 4, 2019

So which elements are kept?

@makstaks
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So which elements are kept?

Here's a running example @dzonekl, the elements at the end of the array are removed.
https://runkit.com/makstaks/resizing-an-array-in-javascript

@phanthaiduong22
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Thanks bro

@AbisoyeAlli
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this is super helpful

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