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...
Description:Selects a single element with the given id attribute. version added:1.0jQuery( "#id" ) id:An ID to search for, specified via the id attribute of an element. For id selectors, jQuery uses the JavaScript functiondocument.getElementById(), which is extremely efficient. When another...
== undefined` core_strundefined = typeof undefined, // Use the correct document accordingly with window argument (sandbox) document = window.document, location = window.location, // Map over jQuery in case of overwrite _jQuery = window.jQuery, // Map over the $ in case of overwrite _$ ...
⑥. document.querySelectorAll('选择器') 遍历DOM 节点: ①. node.parentNode ②. parent.childNodes、parent.children ③. node.nextSibling、node.previousSibling (2). 修改元素的属性 ①. node.setAttribute('title','值') ②. node.getAttribute('title') (3). 修改元素的内容 ①. element.innerHTML ②...
Attribute Equals Selector [name=”value”] Selects elements that have the specified attribute with a value exactly equal to a certain value. Also in:Selectors>jQuery Extensions Attribute Not Equal Selector [name!=”value”] Select elements that either don’t have the specified attribute, or do...
The [attribute$=value] selector selects each element with a specific attribute, with a value ending in a specific string.Syntax$("[attribute$='value']")ParameterDescription attribute Required. Specifies the attribute to find value Required. Specifies the string the value should end with...
$("Element:first") 'HTML页面中某类元素的第一个元素 $("Element:last") 'HTML页面中某类元素的最后一个元素 $("Element:not(selector)") '去除所有与给定选择器匹配的元素,如:$("input:not(:checked)") 表示选择所有没有选中的复选框 $("Element:even") '获得偶数行 ...
element $(“p”) 所有<p> 元素 el1,el2,el3 $(“h1,div,p”) 所有<h1>、<div> 和 <p> 元素 :first $(“p:first”) 第一个 <p> 元素 :last $(“p:last”) 最后一个 <p> 元素 :even $(“tr:even”) 所有偶数 <tr> 元素,索引值从 0 开始,第一个元素是偶数 (0),第二个元素是奇...
It includes fixes for the resizable widget when a global box-sizing: border-box CSS declaration is present (a common complaint was about resizable dialogs), support for the hidden attribute in selectmenu options, fixes for the deprecated -ms-filter syntax, and correcting the format of the ...
[attribute=value] :属性等于 [attribute!=value]:属性不等于 [attribute^=value]:以什么结尾 [attribute$=value]:以什么开头 [attribute*=value]:属性值包含value // 示例 <input type="text"> <input type="password"> <input type="checkbox"> $("input[type='checkbox']"); // 取到checkbox类型的inp...