jQuery
在jQuery1.7版本中
bind() unbind() ,live() die(), on() off() ,delegate()
下面我们给li元素添加事件
bind() 旧版写法: 事件不能适用脚本创建的新元素
live() 旧版写法: 适用脚本创建的新元素写法,但性能极不好
on() 新版写法,事件不能适用脚本创建的新元素(接收多个函数绑定)
这三种方法都是基于要给添加事件的元素本身。
$("ul li").bind("click",function(){ alert("不响应事件!");})
delegate() 新版写法,适用脚本创建的新元素
$(".demonstrate").delegate("ul li","click",function(){ alert("响应事件!");})
$(ele).on() ele 为匹配元素的父元素. 适用于匹配选择器的当前及未来的元素(比如由脚本创建的新元素)
$(".parent").on("click","ul li",function(e){ alert("响应"+e.type+"事件!");});
但在jQuery1.8版本 统一为on()方法绑定事件。不管是原来的还是脚本创建的都可以绑定。
上面每个方法后面使其对应的解除绑定的方法。用法类似。
jq还有一种解除绑定方法
removeAttr('onclick');删除attr("onclick","WdatePicker()");添加
js方法
attachEvent与addEventListener区别
适应的浏览器版本不同,同时在使用的过程中要注意attachEvent方法 按钮onclickaddEventListener方法 按钮click两者使用的原理:可对执行的优先级不一样的事件进行操作:attachEvent方法,为某一事件附加其它的处理事件。(不支持Mozilla系列) 也就说可绑定多个事件并都执行(顺序最后到前)addEventListener方法 用于 Mozilla系列 绑定多个只执行最后一个**绑定函数不要加括号
removeEventListener()解除绑定
借鉴文章http://www.phpvar.com/archives/2529.html
http://blog.163.com/wumingli456@126/blog/static/288964142010755811775/

HTMLisnotaprogramminglanguage;itisamarkuplanguage.1)HTMLstructuresandformatswebcontentusingtags.2)ItworkswithCSSforstylingandJavaScriptforinteractivity,enhancingwebdevelopment.

HTML is the cornerstone of building web page structure. 1. HTML defines the content structure and semantics, and uses, etc. tags. 2. Provide semantic markers, such as, etc., to improve SEO effect. 3. To realize user interaction through tags, pay attention to form verification. 4. Use advanced elements such as, combined with JavaScript to achieve dynamic effects. 5. Common errors include unclosed labels and unquoted attribute values, and verification tools are required. 6. Optimization strategies include reducing HTTP requests, compressing HTML, using semantic tags, etc.

HTML is a language used to build web pages, defining web page structure and content through tags and attributes. 1) HTML organizes document structure through tags, such as,. 2) The browser parses HTML to build the DOM and renders the web page. 3) New features of HTML5, such as, enhance multimedia functions. 4) Common errors include unclosed labels and unquoted attribute values. 5) Optimization suggestions include using semantic tags and reducing file size.

WebdevelopmentreliesonHTML,CSS,andJavaScript:1)HTMLstructurescontent,2)CSSstylesit,and3)JavaScriptaddsinteractivity,formingthebasisofmodernwebexperiences.

The role of HTML is to define the structure and content of a web page through tags and attributes. 1. HTML organizes content through tags such as , making it easy to read and understand. 2. Use semantic tags such as, etc. to enhance accessibility and SEO. 3. Optimizing HTML code can improve web page loading speed and user experience.

HTMLisaspecifictypeofcodefocusedonstructuringwebcontent,while"code"broadlyincludeslanguageslikeJavaScriptandPythonforfunctionality.1)HTMLdefineswebpagestructureusingtags.2)"Code"encompassesawiderrangeoflanguagesforlogicandinteract

HTML, CSS and JavaScript are the three pillars of web development. 1. HTML defines the web page structure and uses tags such as, etc. 2. CSS controls the web page style, using selectors and attributes such as color, font-size, etc. 3. JavaScript realizes dynamic effects and interaction, through event monitoring and DOM operations.

HTML defines the web structure, CSS is responsible for style and layout, and JavaScript gives dynamic interaction. The three perform their duties in web development and jointly build a colorful website.


Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

AI Hentai Generator
Generate AI Hentai for free.

Hot Article

Hot Tools

Notepad++7.3.1
Easy-to-use and free code editor

Zend Studio 13.0.1
Powerful PHP integrated development environment

SecLists
SecLists is the ultimate security tester's companion. It is a collection of various types of lists that are frequently used during security assessments, all in one place. SecLists helps make security testing more efficient and productive by conveniently providing all the lists a security tester might need. List types include usernames, passwords, URLs, fuzzing payloads, sensitive data patterns, web shells, and more. The tester can simply pull this repository onto a new test machine and he will have access to every type of list he needs.

DVWA
Damn Vulnerable Web App (DVWA) is a PHP/MySQL web application that is very vulnerable. Its main goals are to be an aid for security professionals to test their skills and tools in a legal environment, to help web developers better understand the process of securing web applications, and to help teachers/students teach/learn in a classroom environment Web application security. The goal of DVWA is to practice some of the most common web vulnerabilities through a simple and straightforward interface, with varying degrees of difficulty. Please note that this software

SAP NetWeaver Server Adapter for Eclipse
Integrate Eclipse with SAP NetWeaver application server.