comparing underscore.js 'isFunction' with 'typeof function'

JavaScript performance comparison

Revision 8 of this test case created by

Preparation code

<script src="https://code.jquery.com/jquery-2.1.1.min.js"></script>

    

Preparation code output

Test runner

Warning! For accurate results, please disable Firebug before running the tests. (Why?)

Java applet disabled.

Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
underscore isFunction
var obj = function() {
    console.log("test")
    };
return $.isFunction(obj);
pending…
typeof 'function'
var obj = function() {
    console.log("test")
    };
return 'function' === typeof obj;
pending…
typeof(Function)
var obj = function() {
    console.log("test")
    };
return typeof(obj) === typeof(Function);

pending…

Compare results of other browsers

Revisions

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

0 Comments