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I've completely resolved the known issues with document ready. I use the known DOM ready functions that Mozilla and IE provides. For Opera and Safari I fall back to the original hack, but ignore it, and fall back to window.onload, if there are scripts embedded in the DOM.

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This commit is contained in:
John Resig 2006-06-11 18:59:45 +00:00
parent 4b6bcb235f
commit 08bb08fede
1 changed files with 54 additions and 15 deletions
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59
event/event.js
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@ -41,13 +41,23 @@ $.fn.hover = function(f,g) {
});
};
// Deprecated
$.fn.onhover = $.fn.hover;
$.ready = function() {
// Handle when the DOM is ready
$.ready = function(isFinal) {
// If the timer was running, stop it
if ( $.$$timer ) {
clearInterval( $.$$timer );
$.$$timer = null;
}
// If the last script to fire was in the body,
// we assume that it's trying to do a document.write
var s = document.getElementsByTagName("script");
s = s[s.length-1].parentNode.nodeName == "HEAD";
// Only execute if we're doing a sane way, or the window
// is loaded, or the final script is in the head
// and there's something to execute
if ( ( !$.badReady || isFinal || s ) && $.$$ready ) {
for ( var i = 0; i < $.$$ready.length; i++ ) {
$.apply( document, $.$$ready[i] );
}
@ -55,31 +65,60 @@ $.ready = function() {
}
};
if ( document.addEventListener ) {
// Based off of:
// http://linguiste.org/projects/behaviour-DOMContentLoaded/example.html
// If Mozilla is used
if ( $.browser == "mozilla" ) {
// Use the handy event callback
document.addEventListener( "DOMContentLoaded", $.ready, null );
// If IE is used
} else if ( $.browser == "msie" ) {
// Use the defer script hack
var script = document.createElement('SCRIPT');
script.type = 'text/javascript';
script.src = 'javascript:$.ready();void(0);';
script.defer = true;
document.getElementsByTagName('HEAD')[0].appendChild(script);
script = null;
// Otherwise, try it the hacky way
} else {
$.badReady = true;
}
$.event.add( window, "load", $.ready );
// A fallback, that will always work, just in case
$.event.add( window, "load", function(){
$.ready(true);
});
/**
* Bind a function to fire when the DOM is ready.
*/
$.fn.ready = function(f) {
return this.each(function(){
if ( $.$$timer ) {
if ( $.$$ready ) {
$.$$ready.push( f );
} else {
var o = this;
$.$$ready = [ f ];
// Only do our hacky thing if we don't have the nice
// Mozilla or IE ways of doing it
if ( $.$$badReady ) {
// The trick is to check for the availability of a couple common
// DOM functions, if they exist, assume the DOM is ready
$.$$timer = setInterval( function(){
if ( o && o.getElementsByTagName && o.getElementById && o.body ) {
$.ready();
}
}, 10 );
}
}
});
};
// Deprecated
$.fn.onready = $.fn.ready;
$.fn.toggle = function(a,b) {
return a && b ? this.click(function(e){
this.$$last = this.$$last == a ? b : a;