vbdemo_isempty_func 在线代码实例

实例代码( Tip: 登录后体验更佳 )
运行代码

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<!DOCTYPE html>
<html>
<body>
<script type="text/vbscript">
Dim x
document.write(IsEmpty(x) & "<br>")
x=10
document.write(IsEmpty(x) & "<br>")
x=Empty
document.write(IsEmpty(x) & "<br>")
x=Null
document.write(IsEmpty(x))
</script>
</body>
</html>
 
 
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运行结果
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