search
HomeWeb Front-endFront-end Q&AHow to hide li in javascript

How to hide li in javascript

Jan 11, 2022 pm 02:51 PM
javascript

How to hide li in javascript: 1. Create an HTML sample file; 2. Define the li tag; 3. Control the hiding and display of li through the js code "function showli(pid){...}" Can.

How to hide li in javascript

The operating environment of this article: Windows 7 system, javascript1.8.5, Dell G3 computer.

How to hide li in javascript?

js control li hiding and displaying example code

html page

<div class="favorite_list">
    <div class="list_type" id="list_type">
      <ul class="all">
       <li> <a href="javascript:void(0);" onclick="showli(1);">全部(<span class="nums">{$count}</span>)</a></li>
       <li> <a href="javascript:void(0);" onclick="showli(60);">钢琴谱(<span class="nums">{$count_pu}</span>)</a></li>
       <li> <a href="javascript:void(0);" onclick="showli(525);">钢琴曲(<span class="nums">{$count_qu}</span>)</a></li>
       <li> <a href="javascript:void(0);" onclick="showli(531);">钢琴专辑(<span class="nums">{$count_zhuanji}</span>)</a></li>
       <li> <a href="javascript:void(0);" onclick="showli(541);">钢琴全集(<span class="nums">{$count_quanji}</span>)</a></li>
       <li> <a href="javascript:void(0);" onclick="showli(14);">钢琴视频(<span class="nums">{$count_shipin}</span>)</a></li>
      </ul>
    </div>
 
    <div class="list_content">
      <ul class="navigation" id="navigation">
        {loop $info $r}
        <li id="t1" class="sl{$r[parentid]}">
 
 
         <!-- 此处的class复制了一个变量,该变量的值可能是[60,525,531,542,14]-->
 
 
         <a href="{$r[url]}" target="blank"><h3 id="r-title">{$r[title]}</h3></a>
         <span class="date">{date("Y-m-d",$r[adddate])}</span>
         <a class="delete" href="javascript:void(0)" onclick="ConfirmDel({$r[id]});"><img  src="/static/imghwm/default1.png"  data-src="http://www.hqgq.com/statics/www_images/favorite/delete.jpg"  class="lazy"  / alt="How to hide li in javascript" ></a>
         </li>
        {/loop}
      </ul>
    </div>
  </div>

js code

function showli(pid){
  var arrnav = ["1", "525", "531","541","60","14"];
  if(pid==&#39;1&#39;){ // 如果是1就显示全部的li标签
    $("ul.navigation li").show();
    return false;
  }
 
  // 否则就显示对应的class="s1"+pid的li标签
 
 
  $.each(arrnav, function(i, item){
    if(item==pid){
      $("ul.navigation li.sl"+pid).show();
    }else{
      $("ul.navigation li.sl"+item).hide();
    }
  });
}

[Effect Preview]

How to hide li in javascript

Recommended study: "js Basic Tutorial"

The above is the detailed content of How to hide li in javascript. For more information, please follow other related articles on the PHP Chinese website!

Statement
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
HTML and React: The Relationship Between Markup and ComponentsHTML and React: The Relationship Between Markup and ComponentsApr 12, 2025 am 12:03 AM

The relationship between HTML and React is the core of front-end development, and they jointly build the user interface of modern web applications. 1) HTML defines the content structure and semantics, and React builds a dynamic interface through componentization. 2) React components use JSX syntax to embed HTML to achieve intelligent rendering. 3) Component life cycle manages HTML rendering and updates dynamically according to state and attributes. 4) Use components to optimize HTML structure and improve maintainability. 5) Performance optimization includes avoiding unnecessary rendering, using key attributes, and keeping the component single responsibility.

React and the Frontend: Building Interactive ExperiencesReact and the Frontend: Building Interactive ExperiencesApr 11, 2025 am 12:02 AM

React is the preferred tool for building interactive front-end experiences. 1) React simplifies UI development through componentization and virtual DOM. 2) Components are divided into function components and class components. Function components are simpler and class components provide more life cycle methods. 3) The working principle of React relies on virtual DOM and reconciliation algorithm to improve performance. 4) State management uses useState or this.state, and life cycle methods such as componentDidMount are used for specific logic. 5) Basic usage includes creating components and managing state, and advanced usage involves custom hooks and performance optimization. 6) Common errors include improper status updates and performance issues, debugging skills include using ReactDevTools and Excellent

React and the Frontend Stack: The Tools and TechnologiesReact and the Frontend Stack: The Tools and TechnologiesApr 10, 2025 am 09:34 AM

React is a JavaScript library for building user interfaces, with its core components and state management. 1) Simplify UI development through componentization and state management. 2) The working principle includes reconciliation and rendering, and optimization can be implemented through React.memo and useMemo. 3) The basic usage is to create and render components, and the advanced usage includes using Hooks and ContextAPI. 4) Common errors such as improper status update, you can use ReactDevTools to debug. 5) Performance optimization includes using React.memo, virtualization lists and CodeSplitting, and keeping code readable and maintainable is best practice.

React's Role in HTML: Enhancing User ExperienceReact's Role in HTML: Enhancing User ExperienceApr 09, 2025 am 12:11 AM

React combines JSX and HTML to improve user experience. 1) JSX embeds HTML to make development more intuitive. 2) The virtual DOM mechanism optimizes performance and reduces DOM operations. 3) Component-based management UI to improve maintainability. 4) State management and event processing enhance interactivity.

React Components: Creating Reusable Elements in HTMLReact Components: Creating Reusable Elements in HTMLApr 08, 2025 pm 05:53 PM

React components can be defined by functions or classes, encapsulating UI logic and accepting input data through props. 1) Define components: Use functions or classes to return React elements. 2) Rendering component: React calls render method or executes function component. 3) Multiplexing components: pass data through props to build a complex UI. The lifecycle approach of components allows logic to be executed at different stages, improving development efficiency and code maintainability.

React Strict Mode PurposeReact Strict Mode PurposeApr 02, 2025 pm 05:51 PM

React Strict Mode is a development tool that highlights potential issues in React applications by activating additional checks and warnings. It helps identify legacy code, unsafe lifecycles, and side effects, encouraging modern React practices.

React Fragments UsageReact Fragments UsageApr 02, 2025 pm 05:50 PM

React Fragments allow grouping children without extra DOM nodes, enhancing structure, performance, and accessibility. They support keys for efficient list rendering.

React Reconciliation ProcessReact Reconciliation ProcessApr 02, 2025 pm 05:49 PM

The article discusses React's reconciliation process, detailing how it efficiently updates the DOM. Key steps include triggering reconciliation, creating a Virtual DOM, using a diffing algorithm, and applying minimal DOM updates. It also covers perfo

See all articles

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

AI Hentai Generator

AI Hentai Generator

Generate AI Hentai for free.

Hot Article

R.E.P.O. Energy Crystals Explained and What They Do (Yellow Crystal)
3 weeks agoBy尊渡假赌尊渡假赌尊渡假赌
R.E.P.O. Best Graphic Settings
3 weeks agoBy尊渡假赌尊渡假赌尊渡假赌
R.E.P.O. How to Fix Audio if You Can't Hear Anyone
3 weeks agoBy尊渡假赌尊渡假赌尊渡假赌
WWE 2K25: How To Unlock Everything In MyRise
4 weeks agoBy尊渡假赌尊渡假赌尊渡假赌

Hot Tools

SublimeText3 Mac version

SublimeText3 Mac version

God-level code editing software (SublimeText3)

DVWA

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

SublimeText3 Chinese version

SublimeText3 Chinese version

Chinese version, very easy to use

mPDF

mPDF

mPDF is a PHP library that can generate PDF files from UTF-8 encoded HTML. The original author, Ian Back, wrote mPDF to output PDF files "on the fly" from his website and handle different languages. It is slower than original scripts like HTML2FPDF and produces larger files when using Unicode fonts, but supports CSS styles etc. and has a lot of enhancements. Supports almost all languages, including RTL (Arabic and Hebrew) and CJK (Chinese, Japanese and Korean). Supports nested block-level elements (such as P, DIV),

EditPlus Chinese cracked version

EditPlus Chinese cracked version

Small size, syntax highlighting, does not support code prompt function