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var speak ="hello world";alert(speak);
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<!DOCTYPE html> <html lang="en"> <head> <meta charset=...
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總結(jié)：寫那個js函數(shù)的時候，siaplay拼錯了，我在控制臺調(diào)試，好長時間才弄好。也是醉了。HTML：<!DOCTYPE html><html lang="en"...
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<html lang="en"> <head> &...
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<!DOCTYPE html> <html> <head> <title>事件學習</title> </head> ...
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<!DOCTYPE html><html><head> <meta charset="UTF-8"> <...
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<html lang="en"> <head> <meta charset="UTF-8"> <...
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<!DOCTYPE html><html><head><meta charset="UTF-8"><title>仿機器人...
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<!DOCTYPE html><html><head><meta charset="UTF-8"><title>仿機器人...
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