What does function of mean?

What does function of mean? function User-defined functions ¶ Any valid PHP code may appear inside a function, even other functions and class definitions Function names follow the same rules as function To create a function in JavaScript, we have to first use the keyword function, separated by the name of the function and parameters within parenthesis The part

function Description A function declaration creates a Function object Each time when a function is called, it returns the value specified by the last

function function The function of something or someone is the useful thing that they do or are intended to do If a machine or system is functioning, it is working Function Type Expressions The syntax => void means “a function with one parameter, named a , of type string , that doesn't have a return value”