leetcode/test.html at master · liz282907/leetcode · GitHub

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<!DOCTYPE html>
<html>
<head>
	<title>alibaba</title>
	<style type="text/css">
		/*************
		 * util
		 **************/
		.clearfix{
			*zoom:1;
		}
		.clearfix:after{
			content:"";
			display: block;
			clear: both;
		}
		.left{float: left;}
		.right{float: right;}
		.iconfont{color: red}

		textarea {
		    border: none;
		    overflow: auto;
		    outline: none;

		    -webkit-box-shadow: none;
		    -moz-box-shadow: none;
		    box-shadow: none;
		    border: 1px solid gray;
		    width: 100%;
		}

		.form{
			width: 300px;
		}
	</style>
</head>

<body>

<section class="form">
	<div class="form-info clearfix">
		<label for="remark" class="left"><i class="iconfont">*</i>请填写备注</label>
		<span class="right">(<span class="count"></span>/200)</span>
	</div>

	<textarea name="form-input" class="remark" placeholder="最多输入200个字符"></textarea>
	<p class="tooltip"></p>
</section>


</body>
<script type="text/javascript">
	function handleRemarkChange(e){
		var len = $(this).text().length;
		if(len>200) $(".count").text("")
	}
	$(".remark").on("change",handleRemarkChange)

</script>
</html>