Run results for: temptest

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:78.0) Gecko/20100101 Firefox/78.0

Browser: Firefox 78

Operating system: Mac OS X 10.14

Device Platform: Desktop

Date tested: 4 years ago

Tests:

array
String.prototype.replaceAt = function(index, char) { var a = this.split(""); a[index] = char; return a.join(""); }; 'abcde'.replaceAt(2,'a')
const array
String.prototype.replaceAt = function(index, char) { const a = this.split(""); a[index] = char; return a.join(""); }; 'abcde'.replaceAt(2,'a')
...array
String.prototype.replaceAt = function(index, char) { var a = [...this]; a[index] = char; return a.join(""); }; 'abcde'.replaceAt(2,'a')
const ...array
String.prototype.replaceAt = function(index, char) { const a = [...this]; a[index] = char; return a.join(""); }; 'abcde'.replaceAt(2,'a')
assign
String.prototype.replaceAt = function(index, char) { return Object.assign([...this], {[index]: char}).join(``); }; 'abcde'.replaceAt(2,'a')