arrow function rec
(param1, param2, …, paramN) => { statements } (param1, param2, …, paramN) => expression // equivalent to: => { return expression; } // Parentheses are optional when there's only one parameter name: (singleParam) => { statements } singleParam => { statements } // The parameter list for a function with no parameters should be written with a pair of parentheses. () => { statements }
arrow function javascript
/////// //JavaScript Function Declarations /////// //4th (arrow function) hello4 = (name) => { return ("Hello " + name); } //OR hello5 = (name) => { return (`Hello new ${name}`) } //1st (simple function) function hello1() { return "Hello simple function"; } //2nd (functino expression) hello2 = function() { return "Hello functino expression"; } // 3rd ( IMMEDIATELY INVOKED FUNCTION EXPRESSIONS (llFE)) hello3 = (function() { return "Hello IMMEDIATELY INVOKED FUNCTION EXPRESSIONS (llFE)"; }())
arrow function javascript
// Normal Function in JavaScript function Welcome(){ console.log("Normal function"); } // Arrow Function const Welcome = () => { console.log("Normal function"); }
javascript arrow function
// Non Arrow (standard way) let add = function(x,y) { return x + y; } console.log(add(10,20)); // 30 // Arrow style let add = (x,y) => x + y; console.log(add(10,20)); // 30; // You can still encapsulate let add = (x, y) => { return x + y; };
javascript arrow function
const welcome = () => { console.log("THIS IS A ARROW FUNCTION") }
javascript arrow function
let errow = () => { //the code you want to return; }; Or let errow = ('paramiter') => { //the code you want to return }
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