Run results for: endsWith() vs Ordinary For loop

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Mobile Safari/537.36

Browser: Chrome Mobile 123

Operating system: Android

Device Platform: Mobile

Date tested: 2 years ago

For loop

103.1M/s

endsWith()

100.7M/s

View exact numbers

Test name	Executions per second
✓ For loop	103,108,264 Ops/sec
endsWith()	100,725,432 Ops/sec

Script Preparation code:

var str = 'Hooman';
var ending = 'man';

Tests:

endsWith()
function solution(str, ending){ return str.endsWith(ending); }
For loop
function solution(str, ending){ for (let i = str.length -1, j = ending.length - 1; j >= 0; i--, j--) {if (str[i] !== ending[j]) return false} return true }