The original style for defining functions in JavaScript is the function declaration. But JavaScript has two other ways to write functions: the function expression and the arrow function expression ...

Arrow Functions. Arrow functions were introduced in ECMAScript 6 or ES6, and they are a shorthand syntax for writing functions. They have a shorter syntax and provide a more concise way of writing ...

arrow function syntax; array.map() array.filter() array.find() array spread; Arrow functions are a new approach to writing quick and eloquent Javascript. It is also necessary knowledge if you plan on ...