lovecoding
/
Web1020


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <!-- <a href="https:www.baidu.com">百度</a> -->
     <!-- 利用锚点链接 -->
    <!-- <a href="#">百度</a> -->
     <!-- 执行一个段js空语句 -->
     <!-- <a href="javascript:void(0)">baidu</a> -->
      <a href="" id="abtn">baidu</a>
    <script>
        var oBtn = document.getElementById('abtn');
        oBtn.onclick = function(e){
            // return false;
            e.preventDefault();
        }
    </script>
</body>
</html>