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                ## **W3C是什么?對于web中的W3C標準的理解?** web標準就是將:**結構**(HTML),**樣式**(CSS),和**行為**(javascript)分離 W3C對web標準提出了規范化的要求 1)標簽字母要**小寫**; 2)標簽要**閉合**; 3)標簽**不允許**隨意嵌套。 盡量使用外聯css樣式表和js腳本 id class 要見名知義 **標簽越少,加載越快**
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