这两个选择器还接受负值,它们是从结果集的末尾开始计数而不是从开头开始: varjqLt = $("a:lt(1)");showJqueryObject("Less Than Selector", jqLt);varjqGt = $("a:gt(1)");showJqueryObject("Greater Than Attribute", jqGt); jqLt = $("a:lt(-4)");showJqueryObject("Less Than Selector"...
四、使用 on(events,[selector],[data],fn) events:一个或多个用空格分隔的事件类型和可选的命名空间,如"click"或"keydown.myPlugin" 。 selector:一个选择器字符串用于过滤器的触发事件的选择器元素的后代。如果选择器为null或省略,当它到达选定的元素,事件总是触发。 data:当一个事件被触发时要传递event....
//如果存在伪类选择符,从selector中移除,并保存在later中 // 这样一来,匹配对象便分离出来:selector(简单选择符存储器)和later(伪类选择符存储器)。 while ( (match = Expr.match.PSEUDO.exec( selector )) ) { later += match[0]; selector = selector.replace( Expr.match.PSEUDO, "" ); } //构...
$.expr[':'].mycustomselector =function(element, index, meta, stack){ // element- 一个DOM元素 // index – 栈中的当前循环索引 // meta – 有关选择器的元数据 // stack – 要循环的所有元素的栈 // 如果包含了当前元素就返回true // 如果不包含当前元素就返回false }; // 定制选择器的用法:...
'].mycustomselector = function(element, index, meta, stack){// element- 一个DOM元素// index – 栈中的当前循环索引// meta – 有关选择器的元数据// stack – 要循环的所有元素的栈// 如果包含了当前元素就返回true// 如果不包含当前元素就返回false };// 定制选择器的用法:$('.someClasses:...
Selects elements that have the specified attribute with a value containing a given substring.Selectors > Attribute Attribute Contains Word Selector [name~=”value”] Selects elements that have the specified attribute with a value containing a given word, delimited by spaces.Selectors...
classes: { "ui-autocomplete": "highlight" } }); Get or set a property of the classes option, after initialization, here reading and changing the theming for the ui-autocomplete class: 1 2 3 4 5 // Getter var themeClass = $( ".selector" ).autocomplete( "option", "classes.ui-aut...
var themeClass = $( ".selector" ).pagecontainer( "option", "classes.ui-pagecontainer" ); // Setter $( ".selector" ).pagecontainer( "option", "classes.ui-pagecontainer", "highlight" ); defaults Type: Boolean Default: false Seting this option to true indicates that other widgets...
version added:1.7.on( events [, selector ] [, data ], handler ) events Type:String One or more space-separated event types and optional namespaces, such as "click" or "keydown.myPlugin". selector Type:String A selector string to filter the descendants of the selected elements that trig...
$( ".selector" ).accordion( "option", "animate", 200 ); classes Type: Object Default: { "ui-accordion-header": "ui-corner-top", "ui-accordion-header-collapsed": "ui-corner-all", "ui-accordion-content": "ui-corner-bottom" } Specify additional classes to add to the widget's ...