#if($sss2.Count>0) #foreach($row in $sss2)#end#end
请问循环里面的$css2可以用JS改变吗?
回复讨论(解决方案)
#if($sss2.Count>0) #foreach($row in $sss2)#end#end
请问循环里面的$css2可以用JS改变吗?
可以,也不可以。
if 语句是“路径”语句。(借用“路径”和“路径选择”这两个日常生活词语)。
var 语句是“环境”和“范畴”语句。(借用“环境”和“范畴”这两个日常生活词语)。
fuction 语句,是规则语句。是独立化的规则语句,对每个独立化的object(对象),进行属性(个体特征)定义。
foreach语句,也是规则语句。是同类化的规则语句,对每个具备同一特征中的某一同一属相的object(对象),进行规则(行为方式是否合理)定义。
#if($sss2.Count>0) #foreach($row in $sss2)#end#end
请问循环里面的$css2可以用JS改变吗?
if 语句,比 var 语句更为灵活。使用的时候,更丰富复杂。
#if($sss2.Count>0) #foreach($row in $sss2)#end#end
请问循环里面的$css2可以用JS改变吗?
可以也不要这样做 不要增加代码复杂度
#if($sss2.Count>0) #foreach($row in $sss2)#end#end
请问循环里面的$css2可以用JS改变吗?
if 语句,比 var 语句更为灵活。使用的时候,更丰富复杂。
我也是第一次接触这样的代码,可是我要通过点击前台页面的东西改变foreach的值来显示不同数据,不然我前台会增加很多HTML代码。
#if($sss2.Count>0) #foreach($row in $sss2)#end#end
请问循环里面的$css2可以用JS改变吗?
#if($sss2.Count>0) #foreach($row in $sss2)#end#end
请问循环里面的$css2可以用JS改变吗?
可以,也不可以。
if 语句是“路径”语句。(借用“路径”和“路径选择”这两个日常生活词语)。
var 语句是“环境”和“范畴”语句。(借用“环境”和“范畴”这两个日常生活词语)。
fuction 语句,是规则语句。是独立化的规则语句,对每个独立化的object(对象),进行属性(个体特征)定义。
foreach语句,也是规则语句。是同类化的规则语句,对每个具备同一特征中的某一同一属相的object(对象),进行规则(行为方式是否合理)定义。
可是我不会用这种。

To build a website with powerful functions and good user experience, HTML alone is not enough. The following technology is also required: JavaScript gives web page dynamic and interactiveness, and real-time changes are achieved by operating DOM. CSS is responsible for the style and layout of the web page to improve aesthetics and user experience. Modern frameworks and libraries such as React, Vue.js and Angular improve development efficiency and code organization structure.

Boolean attributes are special attributes in HTML that are activated without a value. 1. The Boolean attribute controls the behavior of the element by whether it exists or not, such as disabled disable the input box. 2.Their working principle is to change element behavior according to the existence of attributes when the browser parses. 3. The basic usage is to directly add attributes, and the advanced usage can be dynamically controlled through JavaScript. 4. Common mistakes are mistakenly thinking that values need to be set, and the correct writing method should be concise. 5. The best practice is to keep the code concise and use Boolean properties reasonably to optimize web page performance and user experience.

HTML code can be cleaner with online validators, integrated tools and automated processes. 1) Use W3CMarkupValidationService to verify HTML code online. 2) Install and configure HTMLHint extension in VisualStudioCode for real-time verification. 3) Use HTMLTidy to automatically verify and clean HTML files in the construction process.

HTML, CSS and JavaScript are the core technologies for building modern web pages: 1. HTML defines the web page structure, 2. CSS is responsible for the appearance of the web page, 3. JavaScript provides web page dynamics and interactivity, and they work together to create a website with a good user experience.

The function of HTML is to define the structure and content of a web page, and its purpose is to provide a standardized way to display information. 1) HTML organizes various parts of the web page through tags and attributes, such as titles and paragraphs. 2) It supports the separation of content and performance and improves maintenance efficiency. 3) HTML is extensible, allowing custom tags to enhance SEO.

The 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.

The 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 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.


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