js改变元素样式效果 

<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<script type="text/javascript">
			window.onload = function(){
				var pt1 = document.getElementById('pt1');
				var pt2 = document.getElementById('pt2');
				var txt = document.getElementById('txt');
				var btn = document.getElementById('btn');
				btn.onclick = function(){
					// console.log(pt1,pt2,txt)
					var val1 = pt1.value;
					var val2 = pt2.value;
					txt.style[val1] = val2;
				}
			}
		</script>
	</head>
	<body>
		<input type="text" name="" id="pt1" value="" placeholder="请输入属性名"/>
		<input type="text" name="" id="pt2" value="" placeholder="请输入属性值"/>
		<button type="button" id="btn">确定</button>
		<div id="txt">尽情的调整我们</div>
	</body>
</html>

 

posted @ 2022-09-16 08:41  JackieDYH  阅读(6)  评论(0)  编辑  收藏  举报  来源