摘要：<html><head><title>JS基礎(chǔ)</title></head><body><script>var a = "I LOVE U";var b = 1314;document.write(a+b);console.log(typeof(a));console.log(typeof(b)
<html>
<head>
<title>JS基礎(chǔ)</title>
</head>
<body>
<script>
var a = "I LOVE U";
var b = 1314;
document.write(a+b);
console.log(typeof(a));
console.log(typeof(b));
</script>
</body>
</html>
批改老師：滅絕師太批改時(shí)間：2019-02-01 09:58:40
老師總結(jié)：練習(xí)過(guò)于簡(jiǎn)單 變量的類(lèi)型那么多,都要測(cè)試看看效果哦