MeasureThat.net

Run results for: string.at(-1) vs string[string.length-1] vs string.slice(-1)

Some methods to get the last character of a string

Go to the benchmark
Run details:
Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Mobile Safari/537.36
Chrome Mobile 127
Android
Mobile
9 months ago
Test name Executions per second
at(-1) 16872882.0 Ops/sec
length-1 29978592.0 Ops/sec
slice(-1) 26858438.0 Ops/sec
Tests:

  • at(-1)

    AخA
     
    const string = "banana_pie";
    string.at(-1);

  • length-1

     
    const string = "banana_pie";
    string[string.length-1];

  • slice(-1)

     
    const string = "banana_pie";
    string.slice(-1);