var p = (e.type == "mouseover" ? e.fromElement : e.toElement) || e.relatedTarget;
// Traverse up the tree
- while ( p && p != this ) p = p.parentNode;
+ while ( p && p != this ) try { p = p.parentNode } catch(e) { p = this; };
// If we actually just moused on to a sub-element, ignore it
if ( p == this ) return false;
* Please ensure you have no code in your <body> onload event handler,
* otherwise $(document).ready() may not fire.
*
+ * You can have as many $(document).ready events on your page as you like.
+ *
* @example $(document).ready(function(){ Your code here... });
*
* @name ready
// Reset the list of functions
jQuery.readyList = null;
}
+ // Remove event lisenter to avoid memory leak
+ if ( jQuery.browser.mozilla || jQuery.browser.opera )
+ document.removeEventListener( "DOMContentLoaded", jQuery.ready, false );
}
}
});
* Trigger the load event of each matched element. This causes all of the functions
* that have been bound to thet load event to be executed.
*
+ * Marked as private: Calling load() without arguments throws exception because the ajax load
+ * does not handle it.
+ *
* @example $("p").load();
* @before <p onload="alert('Hello');">Hello</p>
* @result alert('Hello');
*
* @name load
+ * @private
* @type jQuery
* @cat Events/Browser
*/
* @cat Events/Mouse
*/
+ /**
+ * Bind a function to the mouseover event of each matched element.
+ *
+ * @example $("p").mouseover( function() { alert("Hello"); } );
+ * @before <p>Hello</p>
+ * @result <p onmouseover="alert('Hello');">Hello</p>
+ *
+ * @name mouseover
+ * @type jQuery
+ * @param Function fn A function to bind to the mousedown event on each of the matched elements.
+ * @cat Events/Mouse
+ */
+
+ /**
+ * Trigger the mouseover event of each matched element. This causes all of the functions
+ * that have been bound to thet mousedown event to be executed.
+ *
+ * @example $("p").mouseover();
+ * @before <p onmouseover="alert('Hello');">Hello</p>
+ * @result alert('Hello');
+ *
+ * @name mouseover
+ * @type jQuery
+ * @cat Events/Mouse
+ */
+
+ /**
+ * Bind a function to the mouseover event of each matched element, which will only be executed once.
+ * Unlike a call to the normal .mouseover() method, calling .onemouseover() causes the bound function to be
+ * only executed the first time it is triggered, and never again (unless it is re-bound).
+ *
+ * @example $("p").onemouseover( function() { alert("Hello"); } );
+ * @before <p onmouseover="alert('Hello');">Hello</p>
+ * @result alert('Hello'); // Only executed for the first mouseover
+ *
+ * @name onemouseover
+ * @type jQuery
+ * @param Function fn A function to bind to the mouseover event on each of the matched elements.
+ * @cat Events/Mouse
+ */
+
+ /**
+ * Removes a bound mouseover event from each of the matched
+ * elements. You must pass the identical function that was used in the original
+ * bind method.
+ *
+ * @example $("p").unmouseover( myFunction );
+ * @before <p onmouseover="myFunction">Hello</p>
+ * @result <p>Hello</p>
+ *
+ * @name unmouseover
+ * @type jQuery
+ * @param Function fn A function to unbind from the mouseover event on each of the matched elements.
+ * @cat Events/Mouse
+ */
+
+ /**
+ * Removes all bound mouseover events from each of the matched elements.
+ *
+ * @example $("p").unmouseover();
+ * @before <p onmouseover="alert('Hello');">Hello</p>
+ * @result <p>Hello</p>
+ *
+ * @name unmouseover
+ * @type jQuery
+ * @cat Events/Mouse
+ */
+
/**
* @test var count;
- * var e = ("blur,focus,load,resize,scroll,unload,click,dblclick," +
+ * // ignore load
+ * var e = ("blur,focus,resize,scroll,unload,click,dblclick," +
* "mousedown,mouseup,mousemove,mouseover,mouseout,change,reset,select," +
* "submit,keydown,keypress,keyup,error").split(",");
* var handler1 = function(event) {
* $(document)[event]();
*
* // assert count
- * @test ok( count == 6, 'Checking event ' + event);
+ * ok( count == 6, 'Checking event ' + event);
* }
*
* @private
// Finally, handle events that only fire once
jQuery.fn["one"+o] = function(f){
- // Attach the event listener
- return this.each(function(){
-
- var count = 0;
-
- // Add the event
- jQuery.event.add( this, o, function(e){
- // If this function has already been executed, stop
- if ( count++ ) return;
-
- // And execute the bound function
- return f.apply(this, [e]);
- });
- });
+ // save cloned reference to this
+ var element = jQuery(this);
+ var handler = function() {
+ // unbind itself when executed
+ element.unbind(o, handler);
+ element = null;
+ // apply original handler with the same arguments
+ f.apply(this, arguments);
+ };
+ return this.bind(o, handler);
};
};
// Use the defer script hack
var script = document.getElementById("__ie_init");
- script.onreadystatechange = function() {
- if ( this.readyState != "complete" ) return;
- this.parentNode.removeChild( this );
- jQuery.ready();
- };
+ if (script) // script does not exist if jQuery is loaded dynamically
+ script.onreadystatechange = function() {
+ if ( this.readyState != "complete" ) return;
+ this.parentNode.removeChild( this );
+ jQuery.ready();
+ };
// Clear from memory
script = null;
jQuery.event.add( window, "load", jQuery.ready );
};
+
+// Clean up after IE to avoid memory leaks
+if (jQuery.browser.msie) jQuery(window).unload(function() {
+ var event = jQuery.event, global = event.global;
+ for (var type in global) {
+ var els = global[type], i = els.length;
+ if (i>0) do if (type != 'unload') event.remove(els[i-1], type); while (--i);
+ }
+});