-(function(){
+(function( jQuery ) {
+
+(function() {
jQuery.support = {};
var root = document.documentElement,
script = document.createElement("script"),
div = document.createElement("div"),
- id = "script" + (new Date).getTime();
+ id = "script" + jQuery.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><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 ) {
jQuery.support = {
// IE strips leading whitespace when .innerHTML is used
- leadingWhitespace: div.firstChild.nodeType == 3,
+ leadingWhitespace: div.firstChild.nodeType === 3,
// Make sure that tbody elements aren't automatically inserted
// IE will insert them into empty tables
// Make sure that element opacity exists
// (IE uses filter instead)
- opacity: a.style.opacity === "0.5",
+ // Use a regex to work around a WebKit issue. See #5145
+ opacity: /^0.55$/.test( a.style.opacity ),
// Verify style float existence
// (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: opt.selected,
+
// Will be defined later
+ optDisabled: false,
+ checkClone: false,
scriptEval: false,
noCloneEvent: true,
- boxModel: null
+ boxModel: null,
+ inlineBlockNeedsLayout: 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;" ) );
- } catch(e){}
+ } catch(e) {}
root.insertBefore( script, root.firstChild );
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;
div.cloneNode(true).fireEvent("onclick");
}
+ div = document.createElement("div");
+ div.innerHTML = "<input type='radio' name='radiotest' checked='checked'/>";
+
+ 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
- jQuery(function(){
+ jQuery(function() {
var div = document.createElement("div");
div.style.width = div.style.paddingLeft = "1px";
document.body.appendChild( div );
jQuery.boxModel = jQuery.support.boxModel = div.offsetWidth === 2;
+
+ // Check if natively block-level elements act like inline-block
+ // elements when setting their display to 'inline'
+ // (IE < 8 does this)
+ if ( 'zoom' in div.style ) {
+ div.style.display = 'inline';
+
+ // Layout is necessary to trigger this “feature”
+ div.style.zoom = 1;
+ jQuery.support.inlineBlockNeedsLayout = div.offsetWidth === 2;
+ }
+
+ // 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)
+ div.innerHTML = '<table><tr><td style="display:none"></td><td>t</td></tr></table>';
+ jQuery.support.reliableHiddenOffsets = div.getElementsByTagName('td')[0].offsetHeight === 0;
+ div.innerHTML = '';
+
document.body.removeChild( div ).style.display = 'none';
+ 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;
})();
jQuery.props = {
maxlength: "maxLength",
cellspacing: "cellSpacing",
rowspan: "rowSpan",
- tabindex: "tabIndex"
+ colspan: "colSpan",
+ tabindex: "tabIndex",
+ usemap: "useMap",
+ frameborder: "frameBorder"
};
+
+})( jQuery );
git.asbjorn.biz / jquery.git / blobdiff