MeasureThat.net

Run results for: this vs that

What is faster? Referencing something with this or with a variable called that, pointing to this?

Go to the benchmark
Run details:
Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.106 Safari/537.36
Chrome 91
Windows 7
Desktop
3 years ago
Test name Executions per second
this 41151.7 Ops/sec
that 43686.3 Ops/sec
Script Preparation code:
​x
 
function Monster()
{
    this.x = 100;
    this.y = 100;
    console.log("Monster created at " + this.x + " / " + this.y + "!");
}
​
function Monster2()
{
    var that = this;
    that.x = 100;
    that.y = 100;
    console.log("Monster created at " + that.x + " / " + that.y + "!");
}
Tests:

  • this

     
    new Monster();

  • that

     
    new Monster2();