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Calling a function of en external javascript file

Answer 1

+3 A:

You just call it as if it were local :)

<body onload="checkCookie()">

Or, do it in script:

window.onload = checkCookie;

When you declare a function and it's not in another object/namespace, it's just globally available, and you can call it as if it immediately preceded your current code. By default these functions will be on the window object, you can see a short demo here.

For example (doesn't matter where this function's defined, external or not):

function myFunc() { alert('hi'); }
myFunc();
window.myFunc(); //same call, unless there's *another* myFunc in a local-er scope

Nick Craver 2010-05-29 12:40:48

With firebug I get checkCookie is not defined error

Chocol8 2010-05-29 12:44:08

@strakastroukas - Are you sure the relative path to your external file is correct, e.g. View -> Page source, click on it's link, does it come up correctly? For your current code, your page would have to be at the `~/Page.htm` level.

Nick Craver 2010-05-29 12:46:24

That was it! I edited that to <script type="text/javascript" src="../JScript/FontSize.js"></script> (Added the ../ to the path)

Chocol8 2010-05-29 12:52:58

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Calling a function of en external javascript file

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