Run results for: Array.prototype.slice vs spread operator - objects 22

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.0.0 Safari/537.36

Browser: Chrome 108

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
Array.prototype.slice	6.4 Ops/sec
spread operator	6.4 Ops/sec

Script Preparation code:

    function fromNumberToObject(id = 0) {
      return {
        id,
        value: id + id,
        name: 'example',
      };
    }
    var list = [...Array(99999999).keys()].map(fromNumberToObject);

Tests:

Array.prototype.slice
const test = list.slice();
spread operator
const test = [...list];

Run results for: Array.prototype.slice vs spread operator - objects 22

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

Array.prototype.slice

spread operator