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Controlling the scope of a document.write call coming from a third party

Answer 1

A:

Try using dynamic script loading from http://bezen.org/javascript/index.html

bezen.domwrite.js - Captures document.write and writeln for the safe loading of external scripts after page load.

Gary 2010-06-02 16:28:00

This probably would work but requires the addition of another script so I went with the above answer. Thanks for your help though

PhilI 2010-06-02 18:35:43

Answer 2

+2 A:

The only way to use document.write after the page has finished rendering is to temporarily replace the function with one of your own making that will shove the content into a div. E.g.

function horriblefunction() { 
    var old_dw = document.write;
    document.write = function(text) { 
        document.getElementById( 'some_div' ).innerHTML = text;
    }

    // now call your external JS function that uses document.write

    document.write = old_dw;
}

This will work as long as the external JS is already loaded and you're just calling a function. If you need to load the JS (say, by inserting a new <script> tag into the DOM) remember that that operation is asynchronous, and you'll need to watch the DOM to know when it's safe to restore the old version of document.write.

friedo 2010-06-02 16:28:07

`innerHTML` is a property, not a method.

Tim Down 2010-06-02 16:39:30

This did the job admirably. It did have to load an external JS through a script tag and it took awhile to work out when to restore document.write.For those that want to know: I realised that document.write being called necessarily meant the script had finished, so if you add document.write = old_dw just below the getElementById line it restores the old document.write and there's no process-eating loop needed.@friedo - thanks once again

PhilI 2010-06-02 18:33:51

@Tim thanks, I'll fix it. I've gotten too used to using jQuery's `html()` method

friedo 2010-06-02 18:52:18

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Controlling the scope of a document.write call coming from a third party

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