X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=src%2Fsupport.js;h=75e89dd0e670b349c0c1b643478a9e001c398e07;hb=bca576550249e9b79b1097669dff6d4ddd0d65cf;hp=ef5f01021e674f1d40e4e9a17ec2d605e9858ebf;hpb=e083d15fc786a853e54b800e3798536f1d958301;p=jquery.git diff --git a/src/support.js b/src/support.js index ef5f010..75e89dd 100644 --- a/src/support.js +++ b/src/support.js @@ -1,14 +1,16 @@ -(function(){ +(function( jQuery ) { + +(function() { jQuery.support = {}; var root = document.documentElement, script = document.createElement("script"), div = document.createElement("div"), - id = "script" + now(); + id = "script" + jQuery.now(); div.style.display = "none"; - div.innerHTML = '
a'; + div.innerHTML = "
a"; var all = div.getElementsByTagName("*"), a = div.getElementsByTagName("a")[0]; @@ -47,7 +49,17 @@ // (IE uses styleFloat instead of cssFloat) cssFloat: !!a.style.cssFloat, + // Make sure that if no value is specified for a checkbox + // that it defaults to "on". + // (WebKit defaults to "" instead) + checkOn: div.getElementsByTagName("input")[0].value === "on", + + // Make sure that a selected-by-default option has a working selected property. + // (WebKit defaults to false instead of true, IE too, if it's in an optgroup) + optSelected: document.createElement("select").appendChild( document.createElement("option") ).selected, + // Will be defined later + checkClone: false, scriptEval: false, noCloneEvent: true, boxModel: null @@ -56,7 +68,7 @@ script.type = "text/javascript"; try { script.appendChild( document.createTextNode( "window." + id + "=1;" ) ); - } catch(e){} + } catch(e) {} root.insertBefore( script, root.firstChild ); @@ -71,7 +83,7 @@ root.removeChild( script ); if ( div.attachEvent && div.fireEvent ) { - div.attachEvent("onclick", function click(){ + div.attachEvent("onclick", function click() { // Cloning a node shouldn't copy over any // bound event handlers (IE does this) jQuery.support.noCloneEvent = false; @@ -80,10 +92,18 @@ div.cloneNode(true).fireEvent("onclick"); } + div = document.createElement("div"); + div.innerHTML = ""; + + var fragment = document.createDocumentFragment(); + fragment.appendChild( div.firstChild ); + + // WebKit doesn't clone checked state correctly in fragments + jQuery.support.checkClone = fragment.cloneNode(true).cloneNode(true).lastChild.checked; + // Figure out if the W3C box model works as expected // document.body must exist before we can do this - // TODO: This timeout is temporary until I move ready into core.js. - jQuery(function(){ + jQuery(function() { var div = document.createElement("div"); div.style.width = div.style.paddingLeft = "1px"; @@ -128,3 +148,5 @@ jQuery.props = { usemap: "useMap", frameborder: "frameBorder" }; + +})( jQuery );