jQuery children()

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This jQuery method is used to fetch all the direct children of the selected HTML elements.
If we talk about the DOM traversal tree, this method traverses the one level downward of the DOM tree.
To traverse the all grandchildren or descendants of the selected element, use find() jQuery method.
To traverse only the direct parent element of the selected element, use parent() jQuery method.
To traverse the all ancestors up to the root element of the selected element, use parents() jQuery method.

Related Topics:

jQuery parentsUntil

jQuery closest

jQuery children

Syntax:

This method has two different signatures.

$(selector).closest(filter) ;

Parameter description:

filter: This parameter is used to represents to narrow down the ancestor search. It can be an expression, element or jQuery object. It is optional.

$(selector).children(filter);

filter: This parameter is used to represents a selector expression to narrow down the search for children. It is optional.

Example:

In this example we will return the direct children of <div> element.

<html>
 <head>
 <title> jQuery Example </title>
 <script type = "text/javascript"
        src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js">
      </script>
<style>
div{
background:pink;
padding:30px;
margin:10px;
font-size:20px;
}
p{
background:yellow;
padding:25px;
margin:10px;
}
span{
background:lightgray;
padding:20px;
margin:10px;
}
b{
background:blue;
padding:15px;
margin:10px;
color:white;
}
button{
background:green;
padding:10px;
color:white;
border:1px solid green;
}
</style>
<script>
$(document).ready(function(){
 $("button").click(function(){
       $("div").children().css("border","2px solid red");
});
});
</script>
 </head>
 <body>

<h2> jQuery children() method Example</h2>
<div>
div element
<p> p element(direct child)
<span> span element(grandchild)
<b> b element( great grandchild) </b></span></p>
<p> p element(direct child)
<span> span element(grandchild)
<b> b element great grandchild </b></span></p>
</div>
<button>Click Me!</button>
 </body>
</html>