Pseudo getter vs real getter
JavaScript performance comparison
Preparation code
<script>
Benchmark.prototype.setup = function() {
var myObj1 = {
myProp: (function() {
return "test";
})()
};
var myObj2 = {
get myProp() { return "test"; }
};
var myObj3 = {
myProp: (function() {
return "test";
}).apply(this)
};
var myObj4 = {};
Object.defineProperty(myObj4, "myProp", { get: function() { return 'test'; },
enumerable: true,
configurable: true});
};
</script>
Test runner
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Java applet disabled.
| Test | Ops/sec | |
|---|---|---|
Abusing IIFE as a getter |
|
pending… |
Getter |
|
pending… |
Immediately executed function |
|
pending… |
Object.defineProperty |
|
pending… |
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Revisions
You can edit these tests or add even more tests to this page by appending /edit to the URL. Here’s a list of current revisions for this page:
- Revision 1: published by Johannes Stein
- Revision 2: published by Johannes Stein
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