confirm()意既确认框
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>confirm</title>
</head>
<body>
<script>
var con=confirm("do you like to study javascript?");
if (con) {
document.write("I love javascript!");
}
else{
document.write("I love other lanuages!");
}
</script>
</body> </html>
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" alt="" />
prompt意既消息提示框
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>confirm</title>
</head>
<body>
<script>
var pro=prompt("what is your name?");
document.write(pro);
</script>
</body> </html>
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