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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                ## content 屬性 ### 屬性定義及使用說明 ontent 屬性與 :before 及 :after 偽元素配合使用,來插入生成內容。 JavaScript 語法:object.style.content="url(beep.wav)" * * * ## Content屬性值 | 值 | 說明 | | :-- | :-- | | none | 設置Content,如果指定成Nothing | | normal | 設置content,如果指定的話,正常,默認是"none"(該是nothing) | | counter | 設定計數器內容 | | attr*(attribute)* | 設置Content作為選擇器的屬性之一。 | | *string* | 設置Content到你指定的文本 | | open-quote | 設置Content是開口引號 | | close-quote | 設置Content是閉合引號 | | no-open-quote | 如果指定,移除內容的開始引號 | | no-close-quote | 如果指定,移除內容的閉合引號 | | url(*url*) | 設置某種媒體(圖像,聲音,視頻等內容) | | inherit | 指定的content屬性的值,應該從父元素繼承 | * * * ## 實例--在每個鏈接后的括號內加上網址: ``` <!DOCTYPE html> <html> <head> <style> a:after {content: " (" attr(href) ")";} </style> </head> <body> <p><a href="http://www.w3cschool.cn">w3cschool</a> contains free tutorials and references.</p> <p><b>Note:</b> IE8 supports the content property only if a !DOCTYPE is specified.</p> </body> </html> ```
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