JavaScript清除空格、换行，把双引号转换成单引号

1、页面
2、源码
  1 <!DOCTYPE>
  2 <html>
  3 <head>
  4      <meta charset="utf-8">
  5     <title>清除字符串的空格和双引号</title>
  6     <style type="text/css">
  7         textarea{
  8             padding:10px;
  9             font-size:18px;
 10             width:100%;
 11             resize:none;
 12         }
 13         .main{
 14             padding:40px 10px;
 15             clear:both;
 16             overflow:hidden;
 17         }
 18 
 19         .main .left{
 20             float:left;
 21             width:40%;
 22         }
 23         .main .center{
 24             
 25             float:left;
 26             width:20%;
 27             
 28             text-align:center;
 29             
 30         }
 31         .main .right{
 32             float:right;
 33             width:40%;
 34         }
 35         .footer{
 36             text-align:center;
 37             color:red;
 38         }
 39     </style>
 40 </head>
 41 <body>
 42     <div class="main">
 43         <div class="left">
 44             <textarea rows="10" id="ta1"></textarea>
 45         </div>
 46 
 47         <!--【中部开始】-->
 48         <div class="center">
 49             <br>
 50             <label for="ck1">(1) 清&nbsp;&nbsp;&nbsp;除&nbsp;&nbsp;&nbsp;&nbsp;空&nbsp;&nbsp;&nbsp;格</label><input type="checkbox" id="ck1" checked="checked"><br><br>
 51             <label for="ck2">(2) 清&nbsp;&nbsp;&nbsp;除&nbsp;&nbsp;&nbsp;&nbsp;换&nbsp;&nbsp;&nbsp;行</label><input type="checkbox" id="ck2" checked="checked"><br><br>
 52             <label for="ck3">(3) 双引号转单引号</label><input type="checkbox" id="ck3" checked="checked"><br>
 53             <br>
 54             <button onclick="Run()">转换</button>
 55         </div>
 56         <!--【中部结束】-->
 57 
 58         <div class="right">
 59             <textarea rows="10" id="ta2"></textarea>
 60         </div>
 61     </div>
 62     <div class="footer">提示：如果包含有HTML标签，建议不要选择清除空格！</div>
 63 
 64     <script type="text/javascript">
 65         function Run(){
 66             var ta1 = document.getElementById("ta1");
 67             var ta2 = document.getElementById("ta2");
 68             var ck1 = document.getElementById("ck1");
 69             var ck2 = document.getElementById("ck2");
 70             var ck3 = document.getElementById("ck3");
 71             var rst = ta1.value;
 72             
 73             if(ck1.checked){
 74                 //alert(1);
 75                 rst = Trim(rst);
 76             }
 77             
 78             if(ck2.checked){
 79                 rst = ClearBr(rst);
 80             }
 81             
 82             if(ck3.checked){
 83                 rst = Change(rst);
 84             }
 85             //rst += "+++";
 86             ta2.value = rst;
 87             ta2.select();
 88             document.execCommand("Copy"); // 执行浏览器复制命令
 89             alert("执行完成，可以直接粘贴");
 90             
 91         }
 92         
 93         //去除空格
 94         function Trim(str){
 95             return str.replace(/s+/g,"");
 96         }
 97 
 98         //去除换行 
 99         function ClearBr(str) { 
100             //str = str.replace(/</?.+?>/g,""); 
101             str = str.replace(/[
]/g, ""); 
102             return str; 
103         } 
104         function Change(str){
105             return str.replace(/"/g, "'");
106         }
107     </script>
108 </body>
109 </html>