js pop-up box: alert, confirm, prompt

js three pop-up box

var name='';
name=prompt('请输入你的姓名：');
if(name=='王麻子'){
    
    
	confirm('您的积分为：400，感谢查询');
}else{
    
    
	alert('你不是本人，请勿动歪心思');
}

1.alert()——Alert box is a
simple reminder, just click OK

2.confirm()——Confirmation box
contains'confirm' and'cancel ' buttons, the
return value is true/false
mode dialog box, you must select a button and then close

3.prompt()——prompt message box The
user enters an answer to respond to the prompt