jquery select按name选择元素 jquery选择器 name属性 jquery选择器 1. *:匹配所有元素。 #idName:匹配id值是idName的元素。 .className:匹配class值是idName的元素。 elementName:匹配元素名称是elementName的元素。 parent>child:子代选择器。 ancestor descendants:匹配所有属于ancestor元素的后代descendants元素。 prev+...
1.通过id获取 document.getElementById(“id”) 2.通过name获取 document.getElementsByName(“Name”) 返回的是list 3.通过标签名选取元素 document.getElementsByTagName(“tag”) 4.通过CLASS类选取元素 document.getElementsByClassName(“class”) 兼容性:IE8及其以下版本的浏览器未实现getElementsByClassName方法 5....
document.getElementById("id").innerHTML; 虽然jQuery对象是包装DOM对象后产生的,但是jQuery无法使用DOM对象的任何方法,同理DOM对象也不能使用jQuery里的方法.乱使用会 报错。比如:$("#test").innerHTML、document.getElementById("id").html()之类的写法都是错误的。 还有一个要注意的是:用#id作为选择符取得...
遇到这些选择器的时候,jQuery内部会自动调用浏览器的原生方法(比如getElementById()),所以它们的执行速度快。 (2)较慢的选择器:class选择器 $(‘.className’)的性能,取决于不同的浏览器。 Firefox、Safari、Chrome、Opera浏览器,都有原生方法getElementByClassName(),所以速度并不慢。但是,IE5-IE8都没有部署这个...
$("元素").wrap(element); 用element来包围该元素 Traversing: add(expr)当前匹配元素集合增加新的匹配元素集合‘expr',形成新的匹配元素集合; 例子: 复制代码代码如下: $(document).ready(function(){ $("div").css("border", "2px solid red") ...
jQuery's event model can trigger an event by any name on an element, and it is propagated up the DOM tree to which that element belongs, if any. ElementAn element in the Document Object Model (DOM) can have attributes, text, and children. It provides methods to traverse the parent and...
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Selects all the elements that are the nth-child of their parent in relation to siblings with the same element name, counting from the last element to the first. Also in:Selectors>Child Filter :nth-of-type() Selector Selects all elements that are the nth child of their parent in relation...
Filters such as first and last find DOM elements at a given position in the returned collection. You can also use an index-based syntax to filter elements by using the eq, gt, and lt filters. The filter eq picks up the element whose index matches the given index, ...
Make focus re-triggering not focus the original element back (#4382, dbcffb39) Don’t crash if an element is removed on blur (#4417, 5c2d0870) Remove the event.which shim (#3235, 1a5fff4c) remove jQuery.event.global (18db8717) Only attach events to objects that accept data – for ...