jQuery | contains() Method
This contains() method in jQuery is used to check whether a DOM element is a descendant of another DOM element or not.
Syntax:
jQuery.contains( container, contained )
Parameters: This method accepts two parameters as mentioned above and described below:
- container: This parameter holds the DOM element that may contain the other element.
- contained: This parameter holds the DOM element that may be contained by (a descendant of) the other element.
Return Value: It returns the boolean value.
Below examples illustrate the use of jQuery.contains() method:
Example 1:
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>JQuery | contains() method</title> <script src= </script> </head> <body style="text-align:center;"> <h1 style="color: green"> GeeksForGeeks </h1> <h3>JQuery | contains() method</h3> <b id="gfg"></b> <script> $("#gfg").append( "Is 'document.documentElement' in 'document.body'? <br>" + $.contains(document.documentElement, document.body)); </script> </body> </html> |
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Output:
Example 2:
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>JQuery | contains() method</title> <script src= </script> </head> <body style="text-align:center;"> <h1 style="color: green"> GeeksForGeeks </h1> <h3>JQuery | contains() method</h3> <b id="gfg"></b> <script> $("#gfg").append( "Is 'document.body' in 'document.documentElement'? <br>" + $.contains(document.body, document.documentElement)); </script> </body> </html> |
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Output:
