jQuery | children() with Examples

03 Aug, 2021
children() is an inbuilt method in jQuery which is used to find all the children element related to that selected element. This children() method in jQuery traverse down to a single level of the selected element and return all elements.
Syntax:
$(selector).children()

Here selector is the selected element whose children are going to be found.Parameter: It does not accept any parameters.Return values: It returns all the children of the selected element.
<html>   <head>    <style>        .parent * {            display: block;            border: 2px solid lightgrey;            color: grey;            padding: 5px;            margin: 15px;        }    </style>    <script src="https://ajax.googleapis.com/ajax/libs/                jquery/3.3.1/jquery.min.js"></script>    <script>        $(document).ready(function() {            $("div").children().css({                "color": "green",                "border": "2px solid green"            });        });    </script></head>   <body>       <div class="parent" style="width:500px;">This is the current element !!!        <p>This is first children            <span>This is grandchild</span>        </p>        <p>This is Second children            <span>This is grandchild</span>        </p>    </div>   </body>   </html>
Output:
An optional parameter can also be used to the children() method to filter the search for children elements.Syntax:
$(selector1).children("selector2")

Here selector1 is the selected element whose children are going to be found.Parameters: It accepts a parameter which is specified below-
selector2: This is the prior children among all the children of the selected element.
Return value: It returns the prior children of the selected element.
Code #2: In the below code, among all the paragraph element, elements of first paragraph gets selected and highlighted with thegreen color.
<html>   <head>    <style>        .descendants * {            display: block;            border: 2px solid lightgrey;            color: grey;            padding: 5px;            margin: 15px;        }    </style>    <script src="https://ajax.googleapis.com/ajax/libs/                 jquery/3.3.1/jquery.min.js"></script>    <script>        $(document).ready(function() {            $("div").children("p.first").css({                "color": "green",                "border": "2px solid green"            });        });    </script></head>   <body>       <div class="descendants" style="width:500px;">This is the current element !!!        <p class="first">This is the first paragraph element !!!            <span>This is grandchild</span>        </p>        <p class="second">This is the second paragraph element !!!            <span>This is grandchild</span>        </p>    </div>   </body>   </html>
Output:
jQuery is an open source JavaScript library that simplifies the interactions between an HTML/CSS document, It is widely famous with it’s philosophy of “Write less, do more”.You can learn jQuery from the ground up by following this jQuery Tutorial and jQuery Examples.
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