全选、全不选、反选 

<!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>无标题文档</title>
</head>

<body>
<script>
document.write("<ul>");
for(i=0;i<10;i++){
    document.write("<li>");
    document.write("<input type='checkbox' name='ids[]' value='"+i+"'>内容内容容内容容内容容内容")
    document.write("</li>");
    
    }
document.write("</ul>")
</script>
<a href="javascript:sall()" >全选</a>
<a href="javascript:fall()">反选</a>
<a href="javascript:nall()">全不选</a>
<script>
    var names=document.getElementsByName("ids[]");
    function sall(){
        for(var i=0;i<names.length; i++){
            names[i].checked="true";
        }
    }
    function fall(){
        for(var i=0; i<names.length;i++){
            if(names[i].checked){
                names[i].checked="";
            }else{
                names[i].checked=true;
                }
        }    
        
    }
    function nall(){
        for(var i=0;i<names.length;i++){
                names[i].checked="";
            }
        
        }
    
    
</script>
</body>
</html>

 

posted @ 2016-11-23 14:58  Jinsuo  阅读(130)  评论(0)    收藏  举报