W3School TIY Editor
W3School 在线教程
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暗黑模式
运行代码
<html> <body> <script type="text/vbscript"> fname=" Bill " document.write("Hello" & trim(fname) & "Gates<br />") document.write("Hello" & rtrim(fname) & "Gates<br />") document.write("Hello" & ltrim(fname) & "Gates<br />") </script> </body> </html>