容易js事件
简单js事件
1.给按钮添加事件，弹出一个对话框，显示HELLO WORLD
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<script>
function butval(){
alert("HELLO WORLD");
}
</script>
</head>
<body>
<form id="form1" name="form1" method="post" action="">
<input type="button" name="but" id="but" value="按钮" onclick="butval()" />
</form>
</body>
</html>
1.给按钮添加事件，弹出一个对话框，显示HELLO WORLD
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<script>
function butval(){
alert("HELLO WORLD");
}
</script>
</head>
<body>
<form id="form1" name="form1" method="post" action="">
<input type="button" name="but" id="but" value="按钮" onclick="butval()" />
</form>
</body>
</html>