
添加時(shí)間:2019-04-22 22:56:18 編輯:成都網(wǎng)站建設(shè) 文章內(nèi)容: 1919個(gè)字 閱讀時(shí)間:約6分鐘
HTML注釋規(guī)范寫(xiě)法應(yīng)該遵循以下標(biāo)準(zhǔn):
Comments must start with the four character sequence U+003C LESS-THAN SIGN, U+0021 EXCLAMATION MARK, U+002D HYPHEN-MINUS, U+002D HYPHEN-MINUS (” (U+003E) character, nor start with a U+002D HYPHEN-MINUS character (-) followed by a “>” (U+003E) character, nor contain two consecutive U+002D HYPHEN-MINUS characters (–), nor end with a U+002D HYPHEN-MINUS character (-). Finally, the comment must be ended by the three character sequence U+002D HYPHEN-MINUS, U+002D HYPHEN-MINUS, U+003E GREATER-THAN SIGN (–>).
標(biāo)準(zhǔn)寫(xiě)法:
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錯(cuò)誤的寫(xiě)法:
參考www.w3.org#Comments
一般用于簡(jiǎn)單的描述,如某些狀態(tài)描述、屬性描述等
注釋內(nèi)容前后各一個(gè)空格字符,注釋位于要注釋代碼的上面,單獨(dú)占一行
推薦:
<div>...div> |
不推薦:
<div>...div><div>...div> |
一般用于描述模塊的名稱以及模塊開(kāi)始與結(jié)束的位置
注釋內(nèi)容前后各一個(gè)空格字符,表示模塊開(kāi)始,表示模塊結(jié)束,模塊與模塊之間相隔一行
推薦寫(xiě)法:
<divclass="mod_a">...div><divclass="mod_b">...div> |
不推薦寫(xiě)法:
<divclass="mod_a">...div><divclass="mod_b">...div> |
當(dāng)模塊注釋內(nèi)再出現(xiàn)模塊注釋的時(shí)候,為了突出主要模塊,嵌套模塊不再使用
而改用
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注釋寫(xiě)在模塊結(jié)尾標(biāo)簽底部,單獨(dú)一行。
<divclass="mod_a"><divclass="mod_b">...div><divclass="mod_c">...div>div> |