App下载
实例代码( Tip: 登录后体验更佳 )
<!DOCTYPE html>
<html>
<head>
<script>
function displayResult()
{
document.getElementById("b1").style.height="50px";
}
</script>
</head>
<body>
<input type="button" id="b1" onclick="displayResult()" value="Change height of button">
</body>
</html>
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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运行结果