Slight alteration because querySelector only returns a first element.

zcxv

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

Same as this: https://www.measurethat.net/Benchmarks/Show/833/13/native-xhr-vs-jquery-ajax but without some test cases since IE11 can't run them

Compares performance on the same task using Lodash vs two styles of Ramda vs two styles of "native" Javascript. In all cases the task is pulling "counter" property from each item in an array, filtering out odd items, squaring them, then returning those squared values that have less than two digits.

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

Compares the performance of ES6+ in Chrome (mid-2018) against JQuery for selecting an element by ID and then getting one of its attributes.

isFunction vs typeof function

isFunction vs typeof function

isFunction vs typeof function