html运行实例（jsck_style_height

代码示例：（标识：jsck_style_height_1）

<!DOCTYPE html>
<html>
<body>

<button type="button" id="myBtn" onclick="myFunction()">更改此按钮的高度</button>

<script>
function myFunction() {
  document.getElementById("myBtn").style.height = "50px";
}
</script>

</body>
</html>