jQuery.isFunction( value )Returns: booleanversion deprecated: 3.3, removed: 4.0
Description: Determines if its argument is callable as a function.
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version added: 1.2jQuery.isFunction( value )
- valueType: AnythingThe value to be tested.
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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.
$.isFunction(function() {}); Result:
true