jQuery.contains()Method
jQuery Miscellaneous MethodsExample
Detect whether an element is contained within another element:
$(function () {
function funcontain( html ){
document.body.innerHTML += "<br>" + html;
}
funcontain($.contains( document.documentElement, document.body )); // true
funcontain($.contains( document.body, document.documentElement )); // false
})
function funcontain( html ){
document.body.innerHTML += "<br>" + html;
}
funcontain($.contains( document.documentElement, document.body )); // true
funcontain($.contains( document.body, document.documentElement )); // false
})
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Definition and Usage
The $.contains() method is used to determine whether the specified element contains another element. That is, it determines whether another DOM element is a descendant of the specified DOM element.
Syntax
$.contains( container, contained )
| Parameters | Description |
|---|---|
| container | Element type Specifies the ancestor container element that may contain other elements. |
| contained | Element type Specifies the descendant element that may be contained by other elements. |
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