Web Front-endHTML TutorialHow I discovered and solved the problem of project page rendering efficiency (use of IE debugging tool profiler)_html/css_WEB-ITnose
#我是怎么发现并解决项目页面渲染效率问题的（IE调试工具探查器的使用）##背景之前的项目中，有很多的登记页面，一般都有100-200甚至更加多的字段，而且还涉及到字典、日期及其他效果的显示，载入时很慢，而且会有卡死的现象，IE下特别明显##IE调试工具探查器的使用当时找了不少资料，不过最后还是把目光聚焦到IE自带的调试工具了目前我电脑里面的是IE10，当时分析时用的是IE9，里面有一页**探查器**引起了我的注意，经过一轮的折腾，掌握了其分析方法如下：1. 打开要分析的页面，F12进入开发人员工具，并切换到**探查器**页面2. 在点击`开始采样`后进行一系列的操作（由于我的问题是载入页面的效率，自然是刷新页面），结束后再次点击该按钮3. 则会有结果，把视图切换成` 调用树`，则最耗时的函数调用就会一目了然##找到问题用这个方法分析了一下 [示范页面](http://p2227.github.io/demo/applyLayout/elayout.html)，对于结果层层展开（抽丝剥茧）后，终于发现罪魁祸首了：原来是easyui的下拉框、日期框及布局组件最耗时。知道问题所在，就可以针对地解决了。##解决结果于是经过一翻的调整，重新定义了页面和HTML结构，使得效率有了大的提升[调整后的页面](http://p2227.github.io/demo/applyLayout/playout.html)##解决过程小结* [详细方案](http://www.cnblogs.com/p2227/p/3541162.html)
The Future of HTML, CSS, and JavaScript: Web Development TrendsApr 19, 2025 am 12:02 AMThe future trends of HTML are semantics and web components, the future trends of CSS are CSS-in-JS and CSSHoudini, and the future trends of JavaScript are WebAssembly and Serverless. 1. HTML semantics improve accessibility and SEO effects, and Web components improve development efficiency, but attention should be paid to browser compatibility. 2. CSS-in-JS enhances style management flexibility but may increase file size. CSSHoudini allows direct operation of CSS rendering. 3.WebAssembly optimizes browser application performance but has a steep learning curve, and Serverless simplifies development but requires optimization of cold start problems.
HTML: The Structure, CSS: The Style, JavaScript: The BehaviorApr 18, 2025 am 12:09 AMThe roles of HTML, CSS and JavaScript in web development are: 1. HTML defines the web page structure, 2. CSS controls the web page style, and 3. JavaScript adds dynamic behavior. Together, they build the framework, aesthetics and interactivity of modern websites.
The Future of HTML: Evolution and Trends in Web DesignApr 17, 2025 am 12:12 AMThe future of HTML is full of infinite possibilities. 1) New features and standards will include more semantic tags and the popularity of WebComponents. 2) The web design trend will continue to develop towards responsive and accessible design. 3) Performance optimization will improve the user experience through responsive image loading and lazy loading technologies.
HTML vs. CSS vs. JavaScript: A Comparative OverviewApr 16, 2025 am 12:04 AMThe roles of HTML, CSS and JavaScript in web development are: HTML is responsible for content structure, CSS is responsible for style, and JavaScript is responsible for dynamic behavior. 1. HTML defines the web page structure and content through tags to ensure semantics. 2. CSS controls the web page style through selectors and attributes to make it beautiful and easy to read. 3. JavaScript controls web page behavior through scripts to achieve dynamic and interactive functions.
HTML: Is It a Programming Language or Something Else?Apr 15, 2025 am 12:13 AMHTMLisnotaprogramminglanguage;itisamarkuplanguage.1)HTMLstructuresandformatswebcontentusingtags.2)ItworkswithCSSforstylingandJavaScriptforinteractivity,enhancingwebdevelopment.
HTML: Building the Structure of Web PagesApr 14, 2025 am 12:14 AMHTML 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.
From Text to Websites: The Power of HTMLApr 13, 2025 am 12:07 AMHTML 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.
Understanding HTML, CSS, and JavaScript: A Beginner's GuideApr 12, 2025 am 12:02 AMWebdevelopmentreliesonHTML,CSS,andJavaScript:1)HTMLstructurescontent,2)CSSstylesit,and3)JavaScriptaddsinteractivity,formingthebasisofmodernwebexperiences.
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