jQuery not()

Introduction

The not() method negates the selection.

$(selector).not(criteria,function(index))

Parameter	Optional	Description
criteria	Optional.	a selector expression, a jQuery object or one or more elements to be removed To specify multiple criteria, use comma.
function(index)	Optional.	a function to run for each element in a group. If it returns true, the element is removed. Otherwise, the element is kept. index - The index position of the element in the set

Return all <p> elements that do not have the class name "intro":

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<!DOCTYPE html>
<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
<script>
$(document).ready(function(){
  $("p").not(".intro").css("background-color", "yellow");
});/*from ww  w.  ja  va  2  s  . c  o m*/
</script>
</head>
<body>

<h1>Welcome to My Homepage</h1>

<p>This is a test.</p>
<p class="intro">I am from java2s.com.</p>
<p class="intro">CSS HTML.</p>
<p>This is another test.</p>

</body>
</html>

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