Adding in support for bubbling submit and change events, thanks to the patch by Justi...

[jquery.git] / src / support.js

diff --git a/src/support.js b/src/support.js
index 18c494d..ad8566d 100644 (file)
--- a/src/support.js
+++ b/src/support.js
@@ -5,10 +5,10 @@
        var root = document.documentElement,
                script = document.createElement("script"),
                div = document.createElement("div"),
-               id = "script" + (new Date).getTime();
+               id = "script" + now();
 
        div.style.display = "none";
-       div.innerHTML = '   <link/><table></table><a href="/a" style="color:red;float:left;opacity:.5;">a</a><select><option>text</option></select>';
+       div.innerHTML = '   <link/><table></table><a href="/a" style="color:red;float:left;opacity:.55;">a</a><select><option>text</option></select>';
 
        var all = div.getElementsByTagName("*"),
                a = div.getElementsByTagName("a")[0];
@@ -40,7 +40,7 @@
 
                // Make sure that element opacity exists
                // (IE uses filter instead)
-               opacity: a.style.opacity === "0.5",
+               opacity: a.style.opacity === "0.55",
 
                // Verify style float existence
                // (IE uses styleFloat instead of cssFloat)
@@ -91,6 +91,25 @@
                div = null;
        });
 
+       // Technique from Juriy Zaytsev
+       // http://thinkweb2.com/projects/prototype/detecting-event-support-without-browser-sniffing/
+       var eventSupported = function( eventName ) { 
+               var el = document.createElement("div"); 
+               eventName = "on" + eventName; 
+
+               var isSupported = (eventName in el); 
+               if ( !isSupported ) { 
+                       el.setAttribute(eventName, "return;"); 
+                       isSupported = typeof el[eventName] === "function"; 
+               } 
+               el = null; 
+
+               return isSupported; 
+       };
+       
+       jQuery.support.submitBubbles = eventSupported("submit");
+       jQuery.support.changeBubbles = eventSupported("change");
+
        // release memory in IE
        root = script = div = all = a = null;
 })();
@@ -102,5 +121,8 @@ jQuery.props = {
        maxlength: "maxLength",
        cellspacing: "cellSpacing",
        rowspan: "rowSpan",
-       tabindex: "tabIndex"
+       colspan: "colSpan",
+       tabindex: "tabIndex",
+       usemap: "useMap",
+       frameborder: "frameBorder"
 };