data = dataUser.get( elem, key ); if ( data !== undefined ) { return data; } // 进入dataAttr函数,查找data-*属性 // Attempt to "discover" the data in // HTML5 custom data-* attrs data = dataAttr( elem, key ); if ( data !== undefined ) { return data; } // We tried ...
While the second argument is convenient, its flexibility can lead to unintended consequences (e.g.$( "", {size: "4"} )calling the.size()method instead of setting the size attribute). The previous code block could thus be written instead as: 1 2 3...
Attribute Contains Selector [name*=”value”] Selects elements that have the specified attribute with a value containing a given substring. Attribute Contains Word Selector [name~=”value”] Selects elements that have the specified attribute with a value containing a given word, delimited by spac...
Basically the inverse of the:disabledpseudo-selector, the:enabledpseudo-selector targets any elements thatdo nothave adisabledattribute: 1 $("form :enabled"); In order to get the best performance using:enabled, first select elements with a standard jQuery selector, then use.filter( ":enabled...
jquery中用attr()方法来获取和设置元素属性,attr是attribute(属性)的缩写,在jQuery DOM操作中会经常用到attr(),attr()有4个表达式。 1.attr(属性名)//获取属性的值(取得第一个匹配元素的属性值。通过这个方法可以方便地从第一个匹配元素中获取一个属性的值。如果元素没有相应属性,则返回 undefined ) ...
tabbable elements within the button pane, the close button, and finally the dialog itself as a fallback. Starting with 1.10.0, if there is an element inside the content area with theautofocusattribute, that element will gain focus; if there is none, then the previous logic will be used. ...
This data attribute can be called anything you like. The default is "section-name", but if you'd like something else then you'll need to define it with the sectionName option. <!doctype html> $(function() { $.scrollify({ section : ".section-class-name", sectionName : "section...
Suppose you want to lazy-load images as soon as they are scrolled into view. You already havetags for those images, but theirsrcattribute hasn't been set, keeping the assets from loading. The URL for each image is stored in adata-urlattribute of thetag. Now we implement...
ui.tab.data( "loaded", true ); }); } });The ajaxOptions and cache options will be removed in 1.10.link Deprecated url method and use of title attribute; use aria-controls attribute (#7132) The url method has been deprecated in favor of leaving the href attribute unmodified even for ...
As you can see, jQuery selectors strike back again. You select the form within an element named __dlgEditCustomer and for that form you change the action attribute to the URL of choice.Figure 12shows that fresh data is really submitted to the Web server and handled by the right controller...