JavaScript DOM HTML method: contains()
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The contains() method (when applied to HTML elements
in the JavaScript
DOM) returns true if one node is a descendant of
another node, otherwise returns false.
It
has the following syntax with the following parameters (when applied to
elements). It returns a Boolean which is true
if node is a descendant of element.
element.contains(node)
|
Parameter
|
Required / Optional
|
Description
|
|
node
|
Required
|
The node object to compare
with the current node or element
|
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