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                            ### 1.  getAttribute -- 設置屬性  removeAttribute -- 移除屬性
~~~
<style>
        .one{
            color:red;
        }
    </style>
</head>
<body>
    <p id="test" class="one">hello world</p>
    <script>
        // getAttribute -- 設置屬性
        // removeAttribute -- 移除屬性
        var test = document.getElementById("test");
        test.onclick = function(){
            this.removeAttribute("class");
        }
    </script>
</body>
~~~
                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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