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 x»y
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 x«y
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.
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Rupesh Tiwari
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