JavaScript 使用 confirm() 实现确定与取消提示框

<!DOCTYPE html> 
<html> 
<head> 
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> 
<title>确定和取消提示框</title>
<style type="text/css">
div
{
 width:150px;
 margin:0px auto;
}
a
{
 font-size:12px;
 color:blue;
}
</style>
<script type="text/javascript">
window.onload=function(){
 var mylink=document.getElementById("mytest");
 mylink.onclick=function(){
  if(confirm("确定要访问吗"))
  {
    return true;
  }
  else
  {
    return false;
  }
 }
}
</script>
</head>
<body>
 <div><a href="/" id="mytest">点击跳转</a></div>
</body>
</html>