TypeScript arrow function

In the function chapter, you learned about functions and their parameters. TypeScript introduced rest parameters to accommodate n number of parameters easily. When the number of parameters that a function will receive is not known or can vary , we can use rest parameters.

The rest parameter syntax allows a function to accept an indefinite number of arguments as an array , providing a way to represent variadic functions in JavaScript.18 Şub 2022

The rest parameter syntax allows a function to accept an indefinite number of arguments as an array , providing a way to represent variadic functions in JavaScript.18 Şub 2022

The TypeScript, compiler accepts the same number and type of arguments as defined in the function signature.

The TypeScript, compiler accepts the same number and type of arguments as defined in the function signature.

A rest parameter allows you a function to accept zero or more arguments of the specified type . In TypeScript, rest parameters follow these rules: A function has only one rest parameter. The rest parameter appears last in the parameter list. The type of the rest parameter is an array type.

A rest parameter allows you a function to accept zero or more arguments of the specified type . In TypeScript, rest parameters follow these rules: A function has only one rest parameter. The rest parameter appears last in the parameter list. The type of the rest parameter is an array type.