+(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 = " <link/><table></table><a href='/a' style='color:red;float:left;opacity:.55;'>a</a><input type='checkbox'/>";
var all = div.getElementsByTagName("*"),
- a = div.getElementsByTagName("a")[0];
+ a = div.getElementsByTagName("a")[0],
+ select = document.createElement("select"),
+ opt = select.appendChild( document.createElement("option") );
// Can't get basic test support
if ( !all || !all.length || !a ) {
// 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,
-
- parentNode: div.removeChild( div.appendChild( document.createElement("div") ) ).parentNode === null,
+ optSelected: opt.selected,
// Will be defined later
deleteExpando: true,
+ optDisabled: false,
checkClone: false,
scriptEval: false,
noCloneEvent: true,
- boxModel: null
+ boxModel: null,
+ inlineBlockNeedsLayout: false,
+ shrinkWrapBlocks: false,
+ reliableHiddenOffsets: true
};
+ // Make sure that the options inside disabled selects aren't marked as disabled
+ // (WebKit marks them as diabled)
+ select.disabled = true;
+ jQuery.support.optDisabled = !opt.disabled;
+
script.type = "text/javascript";
try {
script.appendChild( document.createTextNode( "window." + id + "=1;" ) );
delete window[ id ];
}
+ // Test to see if it's possible to delete an expando from an element
+ // Fails in Internet Explorer
+ try {
+ delete script.test;
+
+ } catch(e) {
+ jQuery.support.deleteExpando = false;
+ }
+
root.removeChild( script );
if ( div.attachEvent && div.fireEvent ) {
document.body.appendChild( div );
jQuery.boxModel = jQuery.support.boxModel = div.offsetWidth === 2;
- document.body.removeChild( div ).style.display = 'none';
-
- // Test to see if it's possible to delete an expando from an element
- // Fails in Internet Explorer
- try {
- div.test = 1;
- delete doc.test;
-
- } catch(e) {
- jQuery.support.deleteExpando = false;
+
+ if ( "zoom" in div.style ) {
+ // Check if natively block-level elements act like inline-block
+ // elements when setting their display to 'inline' and giving
+ // them layout
+ // (IE < 8 does this)
+ div.style.display = "inline";
+ div.style.zoom = 1;
+ jQuery.support.inlineBlockNeedsLayout = div.offsetWidth === 2;
+
+ // Check if elements with layout shrink-wrap their children
+ // (IE 6 does this)
+ div.style.display = "";
+ div.innerHTML = "<div style='width:4px;'></div>";
+ jQuery.support.shrinkWrapBlocks = div.offsetWidth !== 2;
}
- div = null;
+ div.innerHTML = "<table><tr><td style='padding:0;display:none'></td><td>t</td></tr></table>";
+ var tds = div.getElementsByTagName("td");
+
+ // Check if table cells still have offsetWidth/Height when they are set
+ // to display:none and there are still other visible table cells in a
+ // table row; if so, offsetWidth/Height are not reliable for use when
+ // determining if an element has been hidden directly using
+ // display:none (it is still safe to use offsets if a parent element is
+ // hidden; don safety goggles and see bug #4512 for more information).
+ // (only IE 8 fails this test)
+ jQuery.support.reliableHiddenOffsets = tds[0].offsetHeight === 0;
+
+ tds[0].style.display = "";
+ tds[1].style.display = "none";
+
+ // Check if empty table cells still have offsetWidth/Height
+ // (IE < 8 fail this test)
+ jQuery.support.reliableHiddenOffsets = jQuery.support.reliableHiddenOffsets && tds[0].offsetHeight === 0;
+ div.innerHTML = "";
+
+ document.body.removeChild( div ).style.display = "none";
+ div = tds = 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;
+ 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;
})();
-
-jQuery.props = {
- "for": "htmlFor",
- "class": "className",
- readonly: "readOnly",
- maxlength: "maxLength",
- cellspacing: "cellSpacing",
- rowspan: "rowSpan",
- colspan: "colSpan",
- tabindex: "tabIndex",
- usemap: "useMap",
- frameborder: "frameBorder"
-};
+})( jQuery );