arity Last modified: Thursday, October 27, 2005
In programming it is the number of arguments a function or operator takes. In some languages functions may have variable arity that sometimes means their last or only argument is actually a list of arguments.
Core JavaScript 1.5 Reference:Global Objects:Function:arity arity is no longer used and has been replaced by the length property. arity is external to the function, and indicates how many arguments a function expects. By contrast, arguments.length provides the number of arguments actually passed to a function.

Related Terms

algorithm argument assembly language code compiler language

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