fengchuanyu 1 долоо хоног өмнө
parent
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ddca56f7e7

+ 23 - 0
4-BOM&DOM/20_DOM阻止默认行为.html

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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" target="_blank" id="link">点我跳转</a>
+    <!-- 组织a标签跳转  javascript:void(0); 执行一段空的js语句-->
+    <a href="javascript:void(0);">淘宝</a>
+    <script>
+        var oLink = document.getElementById("link");
+        oLink.onclick = function(e){
+            // 阻止默认行为
+            // 方法一 
+            // return false;
+            // 方法二
+            e.preventDefault();
+        }
+    </script>
+</body>
+</html>