什么第二次消息框就會(huì)出現(xiàn):“阻止更多對(duì)話框出現(xiàn)”的語(yǔ)句
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>alert</title>
? <script type="text/javascript">
? function rec(){
??? var mychar="I love JavaScript";
??? alert(mychar);
??? alert("可以同時(shí)嗎");
??? alert("ok");
? }
? </script>
</head>
<body>
??? <input name="button" type="button" onClick="rec()" value="點(diǎn)擊我,彈出對(duì)話框" />
</body>
</html>
2016-09-02
那是瀏覽器避免廣告彈窗的重復(fù)彈出,并不是js的問(wèn)題!