jQuery visibility filter usage

This time I will bring you the visibility of jQueryFilterUsage, what are the Notes when using jQuery visibility filter, the following is a practical case, let’s take a look .

1 Introduction

There are two visible states of elements, namely hidden state and displayed state. Visibility filters use the visible status of elements to match elements. Therefore, there are two types of visibility filters, one is the :visible filter that matches all visible elements, and the other is the :hidden filter that matches all invisible elements.

When applying the :hidden filter, elements whose display attribute is none and the type attribute of the input element is hidden will be matched.

Two applications

Get the values ​​of hidden and displayed input elements on the page

Three Code

<script language="javascript" src="JS/jquery-3.1.1.min.js"></script>
<input type="text" value="显示的input元素">
<input type="text" value="我是不显示的input元素" style="display:none">
<input type="hidden" value="我是隐藏域">
<script type="text/javascript">
   $(document).ready(function() {
      var visibleVal = $("input:visible").val();     //取得显示的input的值
      var hiddenVal1 = $("input:hidden:eq(0)").val();   //取得隐藏的input的值
      var hiddenVal2 = $("input:hidden:eq(1)").val();   //取得隐藏的input的值
      alert(visibleVal+"\n\r"+hiddenVal1+"\n\r"+hiddenVal2);  //弹出取得的信息
   });
</script>

Four running effects

I believe you will read the case in this article You have mastered the method. For more exciting information, please pay attention to other related articles on the php Chinese website!

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