The three simple dialog boxes on the html page are as follows:
1. alert(), the simplest prompt box:
alert("你好！");
2. confirm(), there are two buttons: confirm and cancel:
if(confirm("还有继续吗？")){ alert("继续");}else{ alert("再见");}
3. prompt(), you can enter information:
var name = prompt("你的名字是：");alert("你好，" + name);
<!DOCTYPE html><html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta name="content-type" content="text/html; charset=UTF-8"> <title>对话框测试</title> <script> function confirmDialog(){ if(confirm("还要继续吗？")){ alert("继续"); }else{ alert("再见"); } } function promptDialog(){ var name = prompt("你的名字是："); alert("你好，" + name); } </script> </head><body> 对话框测试： <div style="margin-top:50px"> <input type="button" value="alert" onclick="alert('你好！')" /> <input type="button" value="confirm" onclick="confirmDialog()" /> <input type="button" value="prompt" onclick="promptDialog()" /> </div></body></html>
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