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Run results for: Array.prototype.concat vs spread operator vs lodash.concat - variable and constant

Compare the new ES6 spread operator with the traditional concat() method and with the favourite _.concat() method, when an array from a variable is concatenated with an array literal.

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Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:81.0) Gecko/20100101 Firefox/81.0
Firefox 81
Mac OS X 10.14
Desktop
4 years ago
Test name Executions per second
Array.prototype.concat 13925062.0 Ops/sec
spread operator 12389413.0 Ops/sec
lodash concat 1720525.2 Ops/sec
HTML Preparation code:
Script Preparation code:
Tests:

  • Array.prototype.concat

  • spread operator

  • lodash concat

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