Arrow Functions
// The usual way of writing function
const magic = function() {
return new Date();
};
// Arrow function syntax is used to rewrite the function
const magic = () => {
return new Date();
};
//or
const magic = () => new Date();Arrow Functions
// The usual way of writing function
const magic = function() {
return new Date();
};
// Arrow function syntax is used to rewrite the function
const magic = () => {
return new Date();
};
//or
const magic = () => new Date();es6 arrow function
//ES5
var phraseSplitterEs5 = function phraseSplitter(phrase) {
return phrase.split(' ');
};
//ES6
const phraseSplitterEs6 = phrase => phrase.split(" ");
console.log(phraseSplitterEs6("ES6 Awesomeness")); // ["ES6", "Awesomeness"]map && arrow function in javascript
const products = [
{ name: 'Laptop', price: 32000, brand: 'Lenovo', color: 'Silver' },
{ name: 'Phone', price: 700, brand: 'Iphone', color: 'Golden' },
{ name: 'Watch', price: 3000, brand: 'Casio', color: 'Yellow' },
{ name: 'Aunglass', price: 300, brand: 'Ribon', color: 'Blue' },
{ name: 'Camera', price: 9000, brand: 'Lenovo', color: 'Gray' },
];
//Total products price by using Map
let total = 0;
const getPrice = products.map(product => {
total = total + product.price;
});
console.log(total)
//Expected outPut: 45000arrow function javascript
const power = (base, exponent) => {
let result = 1;
for (let count = 0; count < exponent; count++) {
result *= base;
}
return result;
};
//if the function got only one parameter
const square1 = (x) => { return x * x; };
const square2 = x => x * x;
// empty parameter
const horn = () => {
console.log("Toot");
};Copyright © 2021 Codeinu
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