RUNOOB.COM
源代码：
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<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>电脑学习网教程(runoob.com)</title> <style> h1,h2,p { color:green; } </style> </head> <body> <h1>Hello World!</h1> <h2>Smaller heading!</h2> <p>This is a paragraph.</p> </body> </html>
运行结果