Covering some methods of common array manipulation in javascript
in an example react project
0:00 - Intro
03:56 - push method - push a random number to end of array
07:06 - index referencing - reference 1st value in array
09:00 - Display Length of an array
11:00 Map Method - Map values of original array x 2
15.00 Filter Method - filter numbers over 5 in original random array
Sourcecode :
https://github.com/drnoir/arrmanip
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