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                            ## HTML5有哪些新特性
1、語義化標簽：`<hrader></header><nav></nav>`等  
2、繪畫canvas  
3、SVG繪圖  
4、視頻和音頻，用于媒介的video和audio元素  
5、input增強型表單控件：calendar,date,time,email,url,search  
6、本地離線存儲localStorage長期存儲數據，瀏覽器關閉后數據不丟失；  
sessionStorage的數據在瀏覽器關閉后自動刪除  
7、新的技術webworker,websocktGeolocation
                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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