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# jQuery.noop() Method [jQuery Misc Methods](#) ## Example Pass an empty function as an argument, returns an empty array. $(function(){var result = $.map([1, 2, 3], $.noop); document.writeln(result.length); // 0}) [Try it »](#) * * * ## Definition and Usage The $.noop() function is an empty function. **Note: This method does not accept any parameters.** For example, when a plugin provides an optional callback function interface, if the callback function is not passed when called, $.noop is used as a substitute for execution. * * * ## Syntax _$_.noop() [jQuery Misc Methods](#)