发布于 2017-07-11 10:35:34 | 170 次阅读 | 评论: 0 | 来源: 网友投递

这里有新鲜出炉的Javascript教程,程序狗速度看过来!

JavaScript客户端脚本语言

Javascript 是一种由Netscape的LiveScript发展而来的原型化继承的基于对象的动态类型的区分大小写的客户端脚本语言,主要目的是为了解决服务器端语言,比如Perl,遗留的速度问题,为客户提供更流畅的浏览效果。


本文主要介绍了js实现下拉菜单效果的实例,具有很好的参考价值,下面跟着小编一起来看下吧

效果图:

代码如下:


<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <title></title>
  <style type="text/css">
   *{
   margin: 0;
   padding: 0;
   }
   body {
   width: 460px;
   margin: 0 auto;
  font-family: "微软雅黑";
 }
 .search{
  height: 23px;
  line-height: 23px;
  border-bottom: 1px solid #d4d4d4;
  font-weight: 600;
 }
 .search img{
  float: left;
  display: inline-block;
  margin-top: 5px;
 }
 .search span{
  float: left;
  font-size: 14px;
  margin-left: 4px;
 }
 .content1{
  height: 254px;
  width: 100%;
  background: #f5f5f5;
  border-top: 1px solid #eaeaea;
  padding-top: 10px;
 }
 .content1 .content1_div{
  width: 90%;
  height: 43px;
  margin: 5px auto;
 }
 .left{
  width: 30%;
  height: 43px;
  border: 1px solid #eaeaea;
  font-size: 14px;
  text-align: center;
  line-height: 43px;
  float: left;
 }
 .right{
  width: 68%;
  height:43px;
  border: 1px solid #eaeaea;
  font-size: 14px;
  text-align: center;
  line-height: 43px;
  float: left;
  background: #fff;
  margin-left: 3px;
 }
 .right .right_select{
  display: inline-block;
  width: 90%;
  height: 20px;
  border: none;
  border: 1px solid #a4bed4;
  text-align: center;
  direction: center;
 }
 .right_select option{
  text-align: center;
 }
 .hecha{
  text-align: center;
  margin-top: 15px;
 }
 .jdcxx{
  height: 146px;
  font-size: 14px;
  background: #ebebeb;
  background-size:cover;
  padding-top: 20px;
 }
 .jdcxx p,.jdcsyrxx p{
  margin-left: 20px;
  font-weight: 600;
  line-height: 33.6px;
  font-size: 14px;
 }
 .jdcxx .xx,.jdcsyrxx .xx{
  font-weight: 100;
 }
 .jdcsyrxx{
  margin-top: 20px;
  padding-top: 20px;
  height: 146px;
  font-size: 20px;
  background:#ebebeb;
  background-size:cover;
 }
 .hcr,.hcsj{
  height: 30px;
  font-size: 14px;
  line-height: 30px;
  border-bottom: 1px solid #d4d4d4;
 }
 .hcr_left{
  display: block;
  float: left;
  height: 28px;
  width: 2px;
  margin-top: 1px;
  background: #226ed2;
 }
 .zc{
  width: 100px;
  display: block;
  float: left;
  text-align: right;
  margin-left: 10px;
  margin-right: 10px;
 }
 .xm,.sj{
  font-weight: 600;
 }
 .xiala_div{
  top: 33px;
  display: none;
  z-index: 600;
  border: 1px solid #A4BED4;
  width: 253px;
  left: 13px;
 }
 .xiala_input{
  line-height: 21px;
  width: 253px;
  border: none;
  outline: none;
  margin: 0;
  text-align: center;
  cursor: default;
  background: #fff;
  color: #000;
 }
 .xiala_input:hover{
  background: #a4bed4;
 }
  </style>
  <link rel="stylesheet" type="text/css" href="http://at.alicdn.com/t/font_8q2l5tghvcvm42t9.css
"/>
  <script src="http://libs.baidu.com/jquery/2.0.0/jquery.min.js"></script>
</head>
<body>
 <header>
 <div class="search">
  <img width="" src="img/img_09.png"/>
  <span>查询</span>
 </div>
 </header>
 <div class="content1">
 <div class="content1_div">
  <div class="left">
  号牌种类:
  </div>
  <div class="right" style="position: relative;">
  <input type="text" name="" id="" readonly value="小型汽车号牌" class="right_select"/>
  <span style="position: absolute;right: 18px;top: 2px;font-size: 10px; color: #a4bed4;" class="xialaan icon-icon09 iconfont" ></span>
  <div class="xiala_div" style="position: absolute;top;line-height: 20px;" >
   <input type="text" class="xiala_input" readonly name="" id="" value="小型汽车号牌" />
   <input type="text" class="xiala_input" readonly name="" id="" value="大型汽车号牌" />
   <input type="text" class="xiala_input" readonly name="" id="" value="中型汽车号牌" />
  </div>
  </div>
 </div>
 <div class="content1_div">
  <div class="left">
  车牌号码:
  </div>
  <div class="right" style="position: relative;">
  <input type="text" name="" id="" readonly value="鲁" class="right_select"/>
  <span style="position: absolute;right: 18px;top: 2px;font-size: 10px; color: #a4bed4;" class="xialaan icon-icon09 iconfont" ></span>
  <div class="xiala_div" style="position: absolute;top;line-height: 20px;" >
   <input type="text" class="xiala_input" readonly name="" id="" value="晋" />
   <input type="text" class="xiala_input" readonly name="" id="" value="京" />
   <input type="text" class="xiala_input" readonly name="" id="" value="豫" />
  </div>
  </div>
 </div>
 <div class="content1_div">
  <div class="left">
  </div>
  <div class="right" style="position: relative;">
  <input type="text" name="" id="" value="A" readonly class="right_select"/>
  <span style="position: absolute;right: 18px;top: 2px;font-size: 10px; color: #a4bed4;" class="xialaan icon-icon09 iconfont" ></span>
  <div class="xiala_div" style="position: absolute;top;line-height: 20px;" >
   <input type="text" class="xiala_input" readonly name="" id="" value="A" />
   <input type="text" class="xiala_input" readonly name="" id="" value="B" />
   <input type="text" class="xiala_input" readonly name="" id="" value="C" />
  </div>
  </div>
 </div>
 </div>
 <script type="text/javascript">
 var xialakuang = $(".xialaan");
 var right_select = $(".right_select");
 var xiala_div = $(".xiala_div")
  for( var i=0;i<xialakuang.length;i++ ){
  xialakuang[i].index = i;
  var onOff = true;
  var This =i;
  xialakuang[i].onclick = function(){
   if(onOff) {
   for( var j=0;j<xiala_div.length;j++ ){
    if( this.index == j ){
    xiala_div[j].style.display = 'block';
    var xiala_input = xiala_div[j].getElementsByClassName("xiala_input");
    if(j==0){
     for(var k=0;k<xiala_input.length;k++){ 
     xiala_input[k].index = k;
     xiala_input[k].onclick=function(){
      var value = xiala_input[this.index].value;
      right_select[0].value=value;
     $(".xiala_div").css("display", "none")
     }
    }
    }
    if(j==1){
     for(var k=0;k<xiala_input.length;k++){ 
     xiala_input[k].index = k;
     xiala_input[k].onclick=function(){
      var value = xiala_input[this.index].value;
      right_select[1].value=value;
      $(".xiala_div").css("display", "none")
     }
    }
    }
     if(j==2){
     for(var k=0;k<xiala_input.length;k++){ 
      xiala_input[k].index = k;
      xiala_input[k].onclick=function(){
      var value = xiala_input[this.index].value;
      right_select[2].value=value;
      $(".xiala_div").css("display", "none")
      }
     }
     }
    }else{
    xiala_div[j].style.display = 'none';
    }
   }
   }else{
   $(".xiala_div").css("display", "none")
   }
   onOff=!onOff
  }
  }
  for( var i=0;i<right_select.length;i++ ){
  right_select[i].index = i;
  var onOff = true;
  var This =i;
  right_select[i].onclick = function(){
   if(onOff) {
   for( var j=0;j<xiala_div.length;j++ ){
    if( this.index == j ){
    xiala_div[j].style.display = 'block';
    var xiala_input = xiala_div[j].getElementsByClassName("xiala_input");
    if(j==0){
     for(var k=0;k<xiala_input.length;k++){ 
     xiala_input[k].index = k;
     xiala_input[k].onclick=function(){
      var value = xiala_input[this.index].value;
      right_select[0].value=value;
      $(".xiala_div").css("display", "none")
     }
    }
    }
    if(j==1){
     for(var k=0;k<xiala_input.length;k++){ 
     xiala_input[k].index = k;
     xiala_input[k].onclick=function(){
      var value = xiala_input[this.index].value;
      right_select[1].value=value;
      $(".xiala_div").css("display", "none")
     }
     }
    }
     if(j==2){
     for(var k=0;k<xiala_input.length;k++){ 
      xiala_input[k].index = k;
      xiala_input[k].onclick=function(){
      var value = xiala_input[this.index].value;
      right_select[2].value=value;
      $(".xiala_div").css("display", "none")
      }
     }
     }
    }else{
    xiala_div[j].style.display = 'none';
    }
   }
   }else{
   $(".xiala_div").css("display", "none")
   }
   onOff=!onOff
  }
  }
 </script>
</body>
</html>

以上就是本文的全部内容,希望本文的内容对大家的学习或者工作能带来一定的帮助,同时也希望多多支持phperz!



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