在线运行代码 - 菜鸟教程

<!DOCTYPE html>
<html>
<body>

<script type="text/vbscript">
sometext="Welcome to our Web Site!!"
document.write(Left(sometext,5))
document.write("<br>")
document.write(Right(sometext,5))
</script>

</body>
</html>

源代码

动行结果