In jquery, the ":visible" selector is used to select each visible element; visible elements are except "display:none" style elements and form elements with "type="hidden"" , elements other than elements with width and height of 0, the syntax is "$(":visible")".
The operating environment of this tutorial: windows10 system, jquery3.2.1 version, Dell G3 computer.
: The visible selector selects each element that is currently visible.
Elements other than the following situations are visible elements:
is set to display:none
with Form elements with type="hidden"
width and height set to 0
hidden parent elements (this will also hide child elements )
$(":visible")<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>123</title>
<script src="js/jquery.min.js">
</script>
<script>
$(document).ready(function(){
$("p:visible").css("background-color","yellow");
});
</script>
</head>
<body>
<h1>这是一个标题</h1>
<p>这是一个段落。</p>
<p>这是另外一个段落。</p>
<p style="display:none">这是一个隐藏段落。 </p>
</body>
</html>
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