Compare the new ES6 spread operator with the traditional concat() method and push

This benchmark is to compare the cost of using the spread operator

This benchmark is to compare if storing the length of an array in a variable is valuable when it is needed to access this data multiple times

Compare chained `array.filter().map()` vs creating a new array, looping through the previous one and conditionally pushing to it.

Test performance of different ways of get just one particular DOM element

Comparing speed of getting element by id with jQuery vs Vanilla JS vs Vanilla JS querySelector

comparing copyWithin vs iterate for black pixel removal

comparing copyWithin vs iterate for black pixel removal

comparing copyWithin vs iterate for black pixel removal

Cache vs not using cache

Cache vs not using cache