JavaScript confirm() 确认框的三种常用实现方式与实例解析

<SCRIPT LANGUAGE=javascript> 
function del() { 
 var msg = "您真的确定要删除吗？\n\n请确认！"; 
 if (confirm(msg)==true){ 
  return true; 
 }else{ 
  return false; 
 } 
} 
</SCRIPT> 

 <a href="del.php?id=123" onclick="javascript:return del()">删 除</a> 

<a href="javascript:if(confirm('确实要删除吗?'))location='jb51.php?id='">删除</a>

<input name="Submit" type="submit" class="inputedit" value="删除" 
 onclick="{if(confirm('确定纪录吗?')){
  this.document.formname.submit();
  return true;}return false;
 }"> 
<input name="按钮" type="button" ID="ok" onclick="{if(confirm('确定删除吗?')){
 window.location='Action.asp?Action=Del&
 TableName=Item&
 ID=<%=ID%>';
 return true;
}return false;}" value="删除栏目" />

<!DOCTYPE html> 
<html> 
<head> 
<meta charset="gb2312"> 
<title>confirm()代码实例</title> 
<script type="text/javascript"> 
window.onload=function(){
 var bt=document.getElementById("bt");
 bt.onclick=function(){
  if(confirm("真的要删除吗?")){
   alert("点击了确认按钮");
  }
  else{
   alert("点击了取消按钮");
  }
 }
}
</script> 
</head> 
<body> 
<input type="button" id="bt" value="点击弹出确认框" />
</body> 
</html>