jQuery Check Methods

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jQuery Check Methods

The following are the list of Check methods available in jQuery.

contains() Checks whether a DOM element is a descendant of another DOM element.
hasdata() Determines whether an element has any jQuery data associated with it.
index() Searches for a given element from among the matched elements.
is() Checks the current matched set of elements against a selector, element, or jQuery object.
isEmptyObject() Checks whether an object is empty.
isFunction() Determines if its argument is callable as a function.
isNumeric() Determines whether its argument represents a JavaScript number.
isPlainObject() Checks whether an object is a plain object.
isWindow() Determines whether the object is a window.
isXMLDoc() Checks whether a DOM node is within an XML document (or is an XML document).

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