X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=src%2Fsupport.js;h=9d5558f396a81864b269e0fd8d76b0c326833ed4;hb=59802928566b6be3a66d65e77c2418fff37e6f5f;hp=332839df87f3560ccb4292fad17d3e9a21945160;hpb=5ac2e0837cd5c86acc526c5bc5c3abbe91303116;p=jquery.git diff --git a/src/support.js b/src/support.js index 332839d..9d5558f 100644 --- a/src/support.js +++ b/src/support.js @@ -5,7 +5,7 @@ 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 = '
a'; @@ -91,6 +91,26 @@ 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"); + jQuery.support.focusBubbles = eventSupported("focus"); + // release memory in IE root = script = div = all = a = null; })();