JavaScript DOM初体验 点击按钮弹窗

 1 <!DOCTYPE html>
 2 <html lang="en">
 3 <head>
 4     <meta charset="UTF-8">
 5     <title></title>
 6 
 7 </head>
 8 <body>
 9 <input type="button" value="点击" onclick="alert('发射')"/>
10 </body>
11 </html>

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转载自www.cnblogs.com/cuilichao/p/9332839.html