處女貼，問個很淺薄也很困擾的問題吧發(fā)現(xiàn)官方草案及答疑中說明即自關閉的斜線(/)對空標簽無效，普通HTML標簽不要自閉合才是標準的寫法，那么我們是否還應該閉合html5中的空標簽？看了下SF的源碼，也并不是所有的單標簽都閉合了：）Then,iftheelementisoneofthevoidelements,oriftheelementisaforeignelement,thentheremaybeasingleU+002FSOLIDUScharacter(/).Thischaracterhasnoeffectonvoidelements,butonforeignelementsitmarksthestarttagasself-closing.VoidelementsinHTML(e.g.thebr,imgandinputelements)donotrequireatrailingslash.e.g.Insteadofwriting,youonlyneedtowrite.ThisisthesameasinHTML4.However,duetothewidespreadattemptstouseXHTML1,thereareasignificantnumberofpagesusingthetrailingslash.Becauseofthis,thetrailingslashsyntaxhasbeenpermittedonvoidelementsinHTMLinordertoeasemigrationfromXHTML1backtoHTML.