Run results for: pop() vs splice()

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/110.0

Browser: Firefox 110

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
pop() method	140546100.0 Ops/sec
splice() method	19898640.0 Ops/sec

Script Preparation code:

var dbList = {};
for (let i = 0; i < 2000000; i++) {
  dbList[i] = {
	id: i,
	};
}
var idList = Object.keys(dbList);

Tests:

pop() method
const spliced = []; for (let i = 0; i < 100 && idList.length > 0; i++) { spliced.push(idList.pop()); }
splice() method
const spliced = idList.splice(0, 100);