test

Port from jsperf(https://jsperf.com/sorting-algorithms/58)

Splice Slice

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

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

Comparing the performance difference between the spread operator and the delete operator.

Compares the speed for removing 100 items from the beginning of an array

Given an integer key with a large range, find the object associated with that key. Only hits are considered.