if 50 elements array contains some word

if 50 elements array contains some word

Compare Underscore vs Lodash isEqual. Which is faster?

LoDash map&unqiue vs Destructured

unnested

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

When adding an element to an array, measure the performance of push, spread syntax and concat. The case is when original array must contain the new element, thus modifying it in process.