document.write.moo.js

/*
---
source: http://gist.github.com/133677

provides: document.write
description: MooTools based document.write replacement
requires: MooTools

author: Thomas Aylott -- SubtleGradient.com
thanks: Daniel Steigerwald -- daniel.steigerwald.cz
license: MIT
...
*/
(function($){
    
    var wrapper  = new Element('div'),
        fragment = document.createDocumentFragment();
    
    document._writeOriginal = document.write;
    document.write = function(){
        var args = arguments, id = 'document_write' + Date.now().toString(36);
        if (!Browser.loaded)
            document._writeOriginal('<span id="' + id + '"></span>');
        else
            id = new Element('span#' + id).inject(document.write.context);
        
        function documentWrite(){
            var html = Array.join(args, '');
            document.addEvent('domready', function(){
                Array.filter(wrapper.set('html', html).childNodes, document.write.filter).each(function(node){
                    fragment.appendChild(node);
                });
                (id = $(id)).parentNode.replaceChild(fragment, id);
            });
        }
        
        setTimeout(documentWrite, 0);
    };
    window.addEvent('domready', function(){
        document.write.context = document.body;
    });
    document.write.filter = function(el){ return true; };
    
})(document.id || window.$);

document.write.usage.moo.js

// USAGE EXAMPLES //


var start = +new Date;
var i = 100; while (i--){
    document.write(i + ' ');
}
var end = +new Date;
alert(end - start);

window.addEvent('domready', function(){

    document.write('Lorem ipsum dolor sit amet');

    var myDiv = new Element('div');
    document.write.context = myDiv;
    document.write('Lorem ipsum dolor sit amet');
    myDiv.inject(document.body, 'top');
    
});

document.write(1, 2, 3, 4); // handles multiple arguments

document.write(); // doesn't break
document.write(null);

// Add a filter to stop certain things from being injected into your page
document.write.filter = function(el){
    return el && !Function.attempt(function(){
        return el.get('tag') == 'link';
    });
};

document.write('<link rel="stylesheet" href="http://gist.github.com/stylesheets/gist/embed.css"/>');