Benchmark Run Result for: concat vs spread operator vs push 3

concat vs spread operator vs push 3

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

Date tested: 4 years ago

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Firefox/78.0

Test name	Executions per second
Array.prototype.concat	6553641.0 Ops/sec
spread operator	7269057.5 Ops/sec
Push	9452833.0 Ops/sec

Benchmark definition (click to collapse):

Tests:

Array.prototype.concat
var params = "hello"; var other = [ 1, 2 ].concat(params);
spread operator
var params = "hello"; var other = [...[ 1, 2], params ]
Push
var params = "hello"; var other = [ 1, 2 ].push(params);

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