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 >
|
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 >
|
Output:
Last Updated :
14 May, 2020
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