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

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

JS Array operation vs Map

fromEvent vs addEventListener

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

It's not a deep validation; I'm just comparing ONE function that those two libraries have in common.

Test on isEqual performance

Check if a string only contains alpha-numeric characters.

Convert int to string using toFixed()