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js click to shrink or expand the floating window example sharing

小云云Original: 2018-02-09 14:12:213443browse

This article mainly introduces you to the js implementation of the floating window effect that can be clicked to shrink or expand. It has a certain reference value. Interested friends can refer to it. I hope it can help everyone.

Instructions: Click the "+" button to shrink/expand the floating window

Ideas

1. Define in html A p block, set an id; a button, used when clicked.

2. Write a js that contains shrink and expand functions; add a click event for the button.

3. If you want to make the floating window look better, you can set the corresponding parameters.

Steps

html

 <p id="area">
    <p id="small_menu">
      <ul>
        <li><a href="#">item one</a></li>
        <li><a href="#">item two</a></li>              
        <li><a href="#">item three</a></li>
        <li><a href="#">item four</a></li>
        <li><a href="#">item five</a></li>
      </ul>         
    </p>    
    <p id="on" onclick="xuanfu();"><p>+</p></p> 
  </p>

var menubox = document.getElementById("area"); //area为菜单栏的id
  var cli_on = document.getElementById("on"); //on为按钮
  var flag = false, timer = null, initime = null, r_len = 0;

  if(menubox.style.right=== 0){
    flag = true;
    }
  else{
    flag = false;
    }
  cli_on.onclick = function () {
    //为on按钮绑定click事件
    clearTimeout(initime);
    //根据状态flag执开展开收缩
    if (flag) {
      r_len = 0;
      timer = setInterval(slideright, 10);
    } else {
      r_len = -160;
      timer = setInterval(slideleft, 10);
    }
  }
  //展开
  function slideright() {
    if (r_len <= -160) {
      clearInterval(timer);
      flag = !flag;
      return false;
    }else{
      r_len -= 5;
      menubox.style.right = r_len + &#39;px&#39;;
    }
  }
  //收缩
  function slideleft() {
    if (r_len >= 0) {
      clearInterval(timer);
      flag = !flag;
      return false;
    } else {
      r_len += 5;
      menubox.style.right = r_len + &#39;px&#39;;
    }
  }

Complete code

Contains css, you can directly use

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>悬浮窗</title>
</head>
<style type="text/css">
#area{
 position:fixed;
 width:160px;
 right:-160px;
 top:27%;}
#small_menu ul {
 list-style: none;
}
#area #on{
 position: absolute;
 top: 40%;
 right: 100%;
 width: 30px;
 height: 30px;
 cursor: pointer;
 border-radius: 15px;
 background-color: rgba(13, 143, 143, 0.2);
 }
#area #on p{
 font-size:30px;
 text-align:center;
 margin-top:-6px;
 color:#01E290;
 }
#area #small_menu {
 width:100%;
 } 
#area #small_menu ul li {
 width:100%;
 height: 44px;
 text-align:left;
 background-color: rgba(2, 27, 38, 0.62);
 border-top: 1px solid #043B46;
 line-height: 44px;
}
#area #small_menu ul li a{
 text-decoration: none; 
 margin-left:30px;
 color: #bfbfbf;
 font-size:16px;
 font-family: &#39;Microsoft Yahei&#39;;
 }
#area #small_menu li.active {
 width: 156px; 
 background-color: rgba(2, 27, 38, 0.87);
 border-left: 4px solid #00ffff;
 border-top: 0px;
}
#area #small_menu li.active a{
 color: #00ffff;
 }

#area #small_menu ul li:hover {
 width: 156px;
 background-color: rgba(2, 27, 38, 0.87);
 border-left: 4px solid #00ffff;

}
#area #small_menu ul li:hover a{
 color: #00ffff; 
 } 
</style>
<body>
 <p id="area">
  <p id="small_menu">
   <ul>
    <li><a href="#">item one</a></li>
    <li><a href="#">item two</a></li>       
    <li><a href="#">item three</a></li>
    <li><a href="#">item four</a></li>
    <li><a href="#">item five</a></li>
   </ul>     
  </p>  
  <p id="on" onclick="xuanfu();"><p>+</p></p> 
 </p>
<script>
//嵌套在页面中，文档初始化时加载。

 var menubox = document.getElementById("area"); //area为菜单栏的id
 var cli_on = document.getElementById("on"); //on为按钮
 var flag = false, timer = null, initime = null, r_len = 0;

 if(menubox.style.right=== 0){
  flag = true;
  }
 else{
  flag = false;
  }
 cli_on.onclick = function () {
  //为on按钮绑定click事件
  clearTimeout(initime);
  //根据状态flag执开展开收缩
  if (flag) {
   r_len = 0;
   timer = setInterval(slideright, 10);
  } else {
   r_len = -160;
   timer = setInterval(slideleft, 10);
  }
 }
 //展开
 function slideright() {
  if (r_len <= -160) {
   clearInterval(timer);
   flag = !flag;
   return false;
  }else{
   r_len -= 5;
   menubox.style.right = r_len + &#39;px&#39;;
  }
 }
 //收缩
 function slideleft() {
  if (r_len >= 0) {
   clearInterval(timer);
   flag = !flag;
   return false;
  } else {
   r_len += 5;
   menubox.style.right = r_len + &#39;px&#39;;
  }
 } 

</script>
</body>

</html>

to summarize here.

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JavaScript floating window implementation code_javascript skills

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