jQuery.isFunction()


jQuery.isFunction( value )Returns: booleanversion deprecated: 3.3, removed: 4.0

Description: Determines if its argument is callable as a function.

As of jQuery 3.3, jQuery.isFunction() has been deprecated. In most cases, its use can be replaced by typeof x === "function".

Note: As of jQuery 1.3, functions provided by the browser like alert() and DOM element methods like getAttribute() are not guaranteed to be detected as functions in browsers such as Internet Explorer.

Example:

Finds out if the parameter is a function.

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$.isFunction(function() {});

Result:

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true