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Run results for: replace vs custom replace

replace vs custom replace

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Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.192 Safari/537.36
Chrome 88
Windows
Desktop
4 years ago
Test name Executions per second
DoReplace 8100884.5 Ops/sec
Replace 5030237.5 Ops/sec
Script Preparation code:
AخA
 
function doReplace(str) {
    if (str != null && str.length > 0 && str.charAt(str.length - 5) == '/test') {
        str = str.substring(0, str.length - 5);
    }
    return str;
}
Tests:

  • DoReplace

     
    var res = doReplace('https://goog/test');

  • Replace

     
    var res1 = 'https://goog/test'.replace('/test');