jQuery is a fast, small, and feature-rich JavaScript library. It makes things like HTML document traversal and manipulation, event handling, animation, and Ajax much simpler with an easy-to-use API that works a
$("#some\\.id") On jQuery version 3.0 or later, the functionjQuery.escapeSelector()should be used to escape such selectors. Otherwise, the following function takes care of escaping these characters and places a "#" at the beginning of the ID string for convenience: ...
version added:1.0jQuery( "#id" ) id:An ID to search for, specified via the id attribute of an element. For id selectors, jQuery uses the JavaScript functiondocument.getElementById(), which is extremely efficient. When another selector is attached to the id selector, such ash2#pageTitle,...
是的换成getElementsByTagName在这里效果也是可以的,不信大家可以把下面的代码复制直接把getElementsByClassName的地方改为getElementsByTagName("label")然后修改下相应的代码(我们在下面给出代码)效果也是一致的就可以兼容IE的老版本了,但是我为什么要纠结于用类呢?聪明的童鞋大概都已经想到了,这样做主要是为了代码能够...
在jQuery中,实用工具是指直接依附于jQuery对象,针对jQuery对象本身定义的方法,即全局性的函数。可分为几大类别:浏览器的检测、数组和对象的操作、字符串操作、测试操作、URL操作。调用方式:$.函数名() 或 jQuery.函数() 1. $.browser对象即jQuery.browser对象,用于处理与浏览器相关的事物。 $.browser.webkit Go...
选取页面中的所有表单元素,包含 select 以及 textarea 元素 :text :选取页面中的所有文本框...:password:选取所有的密码框 :radio :选取所有的单选按钮 :checkbox:选取所有的复选框 :submit :获取 submit 提交按钮 :reset:获取 reset 重置按钮...原创文章采用CC BY-NC-SA 4.0协议进行许可,转...
linkSelecting Elements by ID 1 $("#myId");// Note IDs must be unique per page. linkSelecting Elements by Class Name 1 $(".myClass"); linkSelecting Elements by Attribute 1 $("input[name='first_name']"); linkSelecting Elements by Compound CSS Selector ...
it must be escaped with with two backslashes:\\. For example, an element withid="foo.bar", can use the selector$("#foo\\.bar"). The W3C CSS specification contains thecomplete set of rules regarding valid CSS selectors. Also useful is the blog entry by Mathias Bynens onCSS character ...
Finding HTML Element by Id Return the element with id="id01": jQuery myElement = $("#id01"); Try it Yourself » JavaScript myElement = document.getElementById("id01"); Try it Yourself » Finding HTML Elements by Tag Name
1<body>2<input type="button"value="点击修改小苹果"id="btnChangeOne"/>3<input type="button"value="点击修改所有标签"id="btnChangeAll"/>4<ul id="ulList">5<liclass="fruit"> 小苹果</li>6<liclass="fruit"> 大香蕉</li>7<li > 小南瓜</li>8<liclass="fruit"> 大西瓜</li>9<li>10...