symbol-perf

Benchmark created by PetkaAntonov on February 28, 2015

Preparation HTML

<script>
window.constantSymbol = Symbol("asd");
window.variableSymbol = Symbol("asd");

function blind() {
    /*you cannot know what this function does
you cannot know what this function does
you cannot know what this function does
you cannot know what this function does
you cannot know what this function does
you cannot know what this function does
you cannot know what this function does
you cannot know what this function does
you cannot know what this function does
you cannot know what this function does
you cannot know what this function does
you cannot know what this function does
you cannot know what this function does
you cannot know what this function does
you cannot know what this function does
you cannot know what this function does
you cannot know what this function does
you cannot know what this function does
you cannot know what this function does
you cannot know what this function does
you cannot know what this function does
*/
}
function Obj() {
    this.field = 3;
    this[constantSymbol] = 3;
    this[variableSymbol] = 3;
}
var theObject = new Obj();
</script>

Setup

var symbol = variableSymbol;
    var theValue = 3;
    
    (function() {
       theValue; symbol;
    });

Test runner

if (theObject.field !== theValue) die
blind();

if (theObject[constantSymbol] !== theValue) die
blind();

if (theObject[symbol] !== theValue) die
blind();

Revisions

You can edit these tests or add more tests to this page by appending /edit to the URL.

• Revision 1: published by PetkaAntonov on February 28, 2015