6 өдөр өмнө · 65bb679042
--- a/4_BOM&DOM/10_DOM_鼠标滑动事件.html
+++ b/4_BOM&DOM/10_DOM_鼠标滑动事件.html
@@ -0,0 +1,29 @@
 
				+<!DOCTYPE html>
			
 
				+<html lang="en">
			
 
				+<head>
			
 
				+    <meta charset="UTF-8">
			
 
				+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
			
 
				+    <title>Document</title>
			
 
				+    <style>
			
 
				+        .box{
			
 
				+            width: 200px;
			
 
				+            height: 200px;
			
 
				+            background-color: red;
			
 
				+        }
			
 
				+    </style>
			
 
				+</head>
			
 
				+<body>
			
 
				+    <div class="box"></div>
			
 
				+    <script>
			
 
				+        var oBox = document.getElementsByClassName("box")[0];
			
 
				+        // 鼠标移入事件 mouseover 当鼠标移入某一个元素的时候触发
			
 
				+        oBox.onmouseover = function(){
			
 
				+            console.log("鼠标移入了");
			
 
				+        }
			
 
				+        // 鼠标移出事件 mouseout 当鼠标移出某一个元素的时候触发
			
 
				+        oBox.onmouseout = function(){
			
 
				+            console.log("鼠标移出了");
			
 
				+        }
			
 
				+    </script>
			
 
				+</body>
			
 
				+</html>
			
--- a/4_BOM&DOM/11_DOM_控制标签属性.html
+++ b/4_BOM&DOM/11_DOM_控制标签属性.html
@@ -0,0 +1,40 @@
 
				+<!DOCTYPE html>
			
 
				+<html lang="en">
			
 
				+<head>
			
 
				+    <meta charset="UTF-8">
			
 
				+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
			
 
				+    <title>Document</title>
			
 
				+    <style>
			
 
				+        .box2{
			
 
				+            color: red;
			
 
				+        }
			
 
				+    </style>
			
 
				+</head>
			
 
				+<body>
			
 
				+    <div class="box" id="div1">hello</div>
			
 
				+    <img src="" alt="图片">
			
 
				+    <script>
			
 
				+        var oBox = document.getElementById("div1");
			
 
				+        var oImg = document.getElementsByTagName("img")[0];
			
 
				+        oBox.onmouseover = function(){
			
 
				+            // setAttribute 方法 用来设置元素的属性
			
 
				+            // setAttribute(属性名, 属性值)
			
 
				+            oImg.setAttribute("src","./img/logo.png");
			
 
				+            // 也可以通过点语法来设置属性
			
 
				+            // oImg.src = "./img/logo.png";
			
 
				+
			
 
				+            // 获取属性的值
			
 
				+            // getAttribute(属性名)
			
 
				+            // var imgAlt = oImg.getAttribute("alt");
			
 
				+            // console.log(imgAlt);
			
 
				+            // 也可以通过点语法来获取属性
			
 
				+            var imgAlt = oImg.alt;
			
 
				+            console.log(imgAlt);
			
 
				+
			
 
				+
			
 
				+            oBox.setAttribute("class","box box2");
			
 
				+        }
			
 
				+
			
 
				+    </script>
			
 
				+</body>
			
 
				+</html>
			
--- a/4_BOM&DOM/8_DOM_右键事件.html
+++ b/4_BOM&DOM/8_DOM_右键事件.html
--- a/4_BOM&DOM/img/logo.png
+++ b/4_BOM&DOM/img/logo.png