- What does => mean in JavaScript?
- How do you type an arrow to a function?
- Which one is correct code for arrow function in JavaScript?
What does => mean in JavaScript?
It's a new feature that introduced in ES6 and is called arrow function. The left part denotes the input of a function and the right part the output of that function.
How do you type an arrow to a function?
You can set the return type of an arrow function in TypeScript right after its parameters, e.g. const greet = (name: string): string => . Once a function's return type is set, the type checker alerts us if the function returns a value of a different type. Copied!
Which one is correct code for arrow function in JavaScript?
Arrow Function Syntax
arg1, arg2, ... argN are the function arguments. statement(s) is the function body.