jQuery.contains( container, contained ) Returns: Boolean
Description: Check to see if a DOM element is a descendant of another DOM element.
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version added: 1.4jQuery.contains( container, contained )
The $.contains() method returns true if the DOM element provided by the second argument is a descendant of the DOM element provided by the first argument, whether it is a direct child or nested more deeply. Otherwise, it returns false. Only element nodes are supported; if the second argument is a text or comment node, $.contains() will return false.
Note: The first argument must be a DOM element, not a jQuery object or plain JavaScript object.
Example:
Check if an element is a descendant of another.
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