Jquery实现checkbox按shift多选

html

 1 <html>
 2 <head>
 3   <meta http-equiv="content-type" content="text/html;charset=utf-8">
 4   <script src="jquery.min.js"></script>
 5   <script src="shiftCheck.js"></script>
 6 </head>
 7 <body>
 8   <table id="table">
 9     <tr><td><input type="checkbox" ></td><td>hehe</td></tr>
10     <tr><td><input type="checkbox" ></td><td>hehe</td></tr>
11     <tr><td><input type="checkbox" ></td><td>hehe</td></tr>
12     <tr><td><input type="checkbox" ></td><td>hehe</td></tr>
13     <tr><td><input type="checkbox" ></td><td>hehe</td></tr>
14     <tr><td><input type="checkbox" ></td><td>hehe</td></tr>
15   </table>
16 </body>
17 </html>

js

 1 function enableShiftCheck(checkboxs) {
 2   let startChecked;
 3   function handleCheck(e) {
 4       if(e.shiftKey){
 5           let thisIndex = checkboxs.index(this);
 6           let startIndex = checkboxs.index(startChecked);
 7           let startNum = thisIndex < startIndex ? thisIndex : startIndex;
 8           let endNum = thisIndex > startIndex ? thisIndex : startIndex;
 9           for(let i = startNum; i <= endNum; i++) {
10             if(this.checked) {
11                 checkboxs.eq(i).prop("checked", true);
12             } else {
13                 checkboxs.eq(i).prop("checked", false);
14             }
15           }
16       }
17       startChecked = this;
18   }
19   checkboxs.click(handleCheck);
20 }
21 
22 $(function(){
23     enableShiftCheck($("#table :checkbox"));
24 });
原文地址:https://www.cnblogs.com/guanghe/p/10789320.html