Are you attempting coding interview challenges in Javascript? Then make sure you learn below mandatory JavaScriipt apis and utilities.
Math Library
Math.floor Math.round
Used in Binary Search algorithm
Math.abs
Array related
Array Slice
Used in Merge sort algorithm.
Array Sort
Initialize 2D array
Map
JavaScript Map
Difference between i++ and ++i
So basically ++i returns the value after it is incremented, while i++ return the value before it is incremented.
Javascript Bitwise operator
Right Shift xยปy
Moving bit/s towards the right side in binary number.
4>>2 = 16
x>>y
means x/2^y
divide x by 2 to the power of y.
Left Shift xยซy
Moving bit/s towards the left side in binary number.
4<<2 = 0
x<<y
means x*2^y
multiply x by 2 to the power of y.
Thanks for reading my article till end. I hope you learned something special today. If you enjoyed this article then please share to your friends and if you have suggestions or thoughts to share with me then please write in the comment box.
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Rupesh Tiwari
Founder of Fullstack Master
Email: rupesh.tiwari.info@gmail.com
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