Run results for: endsWith() vs Ordinary For loop

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36

Browser: Chrome 123

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

endsWith()

63.5M/s

For loop

62.9M/s

View exact numbers

Test name	Executions per second
✓ endsWith()	63,507,604 Ops/sec
For loop	62,937,388 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 }