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Added in some revised DOM Ready code, I've removed all the kludgey stuff. I'd prefer to have predictable, slow, code that unpredictable fast code.

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This commit is contained in:
John Resig 2006-06-13 04:12:06 +00:00
parent 582075e965
commit 55370e5710
1 changed files with 26 additions and 39 deletions
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65
event/event.js
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@ -43,25 +43,11 @@ $.fn.hover = function(f,g) {
// 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 ) {
if ( $.$$ready ) {
for ( var i = 0; i < $.$$ready.length; i++ ) {
$.apply( document, $.$$ready[i] );
}
$.$$ready = null;
$.$$ready = [];
}
};
@ -76,16 +62,30 @@ if ( $.browser == "mozilla" ) {
// If IE is used
} else if ( $.browser == "msie" ) {
// Use the defer script hack
var script = document.createElement('SCRIPT');
script.type = 'text/javascript';
script.src = 'javascript:$.ready();void(0);';
var script = document.createElement('script');
//script.type = 'text/javascript';
script.src = 'javascript:void 0';
script.defer = true;
document.getElementsByTagName('HEAD')[0].appendChild(script);
script.onreadystatechange = function() {
if ( this.readyState == 'loading' ) {
$.ready();
}
};
document.getElementsByTagName('head')[0].appendChild(script);
script = null;
// Otherwise, try it the hacky way
// If Safari or Opera is used
} else {
$.badReady = true;
$.$$timer = setInterval(function(){
if ( document.readyState == "loaded" ||
document.readyState == "complete" ) {
clearInterval( $.$$timer );
$.$$timer = null;
$.ready();
}
}, 10);
}
// A fallback, that will always work, just in case
@ -98,24 +98,11 @@ $.event.add( window, "load", function(){
*/
$.fn.ready = function(f) {
return this.each(function(){
if ( $.$$ready ) {
$.$$ready.push( f );
} else {
var o = this;
$.$$ready = [ f ];
if ( ! $.$$ready ) {
$.$$ready = [];
}
// Only do our hacky thing if we don't have the nice
// Mozilla or IE ways of doing it
if ( $.$$badReady ) {
// The trick is to check for the availability of a couple common
// DOM functions, if they exist, assume the DOM is ready
$.$$timer = setInterval( function(){
if ( o && o.getElementsByTagName && o.getElementById && o.body ) {
$.ready();
}
}, 10 );
}
}
$.$$ready.push( f );
});
};