49.按鈕只能單擊一次，鼠標事件
阿新 • • 發佈：2017-06-30
down html size src 嵌入 sna gif mouse utf 
1 <!DOCTYPE html>
2 <html>
3 <head lang="en">
4 <meta charset="UTF-8">
5 <title></title>
6 <style>
7 .over {
8 color: yellow;
9 background: #7a7280;
10 }
11
12 .down {
13 color: yellow;
14 background: #7a7280;
15 font-style: italic;
16 }
17 </style>
18 </head>
19 <body>
20 <!--1.鼠標移入移出事件-->
21 <input type="button"
22 onmousemove="this.className=‘over‘;"
23 onmouseout="this.className=‘‘;"
24 onmousedown="this.className=‘down‘;"
25 onmouseup="this.className=‘over‘;"
26 value="讓按鈕嵌入"
27 onclick="this.value=‘嵌入成功！‘"
28
29 />
30
31
32 <!--2.按鈕只能單擊一次-->
33 <button onclick="this.disabled=true">單擊</button>
34
35
36 </body>
37 </html>
View Code
<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title></title>
<style>
.over {
color: yellow;
background: #7a7280;
}
.down {
color: yellow;
background: #7a7280;
font-style: italic;
}
</style>
</head>
<body>
<!--1.鼠標移入移出事件-->
<input type="button"
onmousemove="this.className=‘over‘;"
onmouseout="this.className=‘‘;"
onmousedown="this.className=‘down‘;"
onmouseup="this.className=‘over‘;"
value="讓按鈕嵌入"
onclick="this.value=‘嵌入成功！‘"
/>
<!--2.按鈕只能單擊一次-->
<button onclick="this.disabled=true">單擊</button>
</body>
</html>
49.按鈕只能單擊一次，鼠標事件