<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>产品</title>
<meta http-equiv="X-UA-Compatible" content="IE=Edge,chrome=1">
<meta name="renderer" content="webkit">
<meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no"/>
<script type="text/javascript" src="js/glo_view.js"></script>
<link rel="stylesheet" type="text/css" href="css/reset.css"/>
<link rel="stylesheet" type="text/css" href="css/flex.css"/>
<link rel="stylesheet" type="text/css" href="css/swiper.min.css"/>
<script type="text/javascript" src="js/jquery-1.10.2_d88366fd.js"></script>
<script type="text/javascript" defer src="js/swiper-3.3.1.min.js"></script>
<link rel="stylesheet" type="text/css" href="css/shijian.css"/>
<script type="text/javascript" defer src="js/jquer_shijian.js"></script>
<link rel="stylesheet" type="text/css" href="css/LArea.css"/>
<script type="text/javascript" defer src="js/LArea.js"></script>
<link rel="stylesheet" type="text/css" href="css/publicMethods.css"/>
<script type="text/javascript" defer src="js/publicMethods.js"></script>
<link rel="stylesheet" type="text/css" href="css/xt_wap.css"/>
<script type="text/javascript" defer src="js/xt_wap.js"></script>
</head>
<body>
<div class="width750center">
<!--header-->
<div class="xtw_header">
<div class="xtw_header_fix">
<div class="xtw_header_fix_back xtw_header_fix_backfn all-flex all-justify-start all-align-items-center">
<img src="images/topleft.png" >
</div>
<div class="xtw_header_fix_txt">添加联系人</div>
<div class="xtw_header_fix_right all-flex all-justify-end all-align-items-center">
<!--<img src="images/topleft.png" >-->
</div>
</div>
</div>
<!--cont-->
<div class="">
<script>
/*
* jq对象，要显示那些元素[],要隐藏那些元素[]
*/
function toggleOptionShow(obj,arrShow,arrHide){
function arrHandle(arr,type){
if($.isArray(arr)){
var len=arr.length;
for(i=0;i<len;i++){
var optionNow=obj.find("option").eq(arr[i]);
var optionP=optionNow.parent("span");
if(type=="show"){
if(optionP.size()){
optionP.children().clone().replaceAll(optionP);
}
}else{
if(!optionP.size()){
optionNow.wrap("<span style=‘display:none‘></span>");
}
}
}
}
}
arrHandle(arrShow,"show");
arrHandle(arrHide,"hide");
}
</script>
<select>
<option value="papername" selected="selected">选项一</option>
<option value="state">选项二</option>
<option value="state">选项三</option>
<option value="state">选项四</option>
<option value="state">选项五</option>
<option value="state">选项六</option>
</select>
<button onclick="toggleOptionShow($(‘select‘),‘‘,[0,1,3])">隐藏一,二,四</button>
<button onclick="toggleOptionShow($(‘select‘),[0,1,3],‘‘)">显示一,二,四</button>
</div>
</div>
</body>
<script>
$(function () {
})
</script>
</html>
原文地址：https://blog.csdn.net/sanyuedexuanlv/article/details/26455925
原文：https://www.cnblogs.com/gaidalou/p/11141574.html