Run results for: how-to-insert-a-string-at-a-specific-index-in-javascript 2

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36

Browser: Chrome 121

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
slcie	12172210.0 Ops/sec
splice	4175572.0 Ops/sec

Tests:

slcie
let origString = "GeeksGeeks"; let stringToAdd = "For"; let indexPosition = 5; newString = origString.slice(0, indexPosition) + stringToAdd + origString.slice(indexPosition);
splice
let origString = "GeeksGeeks"; let stringToAdd = "For"; let indexPosition = 5; // Split the string into individual // characters origString = origString.split(''); // Insert the string at the index position origString.splice(indexPosition, 0, stringToAdd); // Join back the individual characters // to form a new string newString = origString.join('');