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

Jquery get vs eq

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

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concat vs spread operator vs push (object reference) with array of 100 elements.

Push performances with array of 1, 10, 100, 500 and 1000 elements.

Spread performances with array of 1, 10, 100, 500 and 1000 elements.