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jquery implements Weibo text input box and displays the number of words entered during input. Effect implementation_jquery

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Release: 2016-05-16 17:28:52
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效果如下:

jquery implements Weibo text input box and displays the number of words entered during input. Effect implementation_jquery

代码如下:

复制代码 代码如下:







<script><br>$(document).ready(function(){<br>  $(".taDetail").bind("click",showNum)<br>  .bind("keyup", showNum)<br>  .bind("blur", function(){$("#divShowNum").hide();});<br>});<br>var showNum = function(){<br> var d = $(this);<br> var pos = d.offset();<br> var t = pos.top   this.offsetHeight - 22; // 弹出框的下边位置<br> var l = pos.left  this.offsetWidth - 60;  // 弹出框的右边位置<br> var num = this.value.length;<br> $("#changeNum").html(num);<br> $("#divShowNum").css({ "top": t, "left": l }).show();<br>}<br></script>






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