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js实现隐藏显示
魏先生的博客
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1634 people have browsed it

<!DOCTYPE html>
<html>
    <head>
        <meta charset="UTF-8">
        <title>的撒的撒</title>
        <script src="https://cdn.jsdelivr.net/npm/vue"></script>
        <style type="text/css">
            .show{
                width: 90px;
                height: 90px;
                background-color: red;
            }
            .show{
                display: block;
            }
            .hide{
                display: none;
            }
        </style>
    </head>
    <body>
        <button  type='button' id='btn'>隐藏</button>
        <div id="demo" class="show">
            
        </div>
        <script type="text/javascript">
            var btn = document.getElementById('btn');
            
            var div = document.getElementById('demo');
            
            btn.onclick = function(){
                if(this.innerHTML === '隐藏'){
                    this.innerHTML = '显示';
                    div.className = 'hide';    
                }else{
                    this.innerHTML = '隐藏';
                    div.className = 'show';
                }
            }
        </script>

    </body>
</html>


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