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();js lambda
// Traditional Function
function (a, b){
return a + b + 100;
}
// Arrow Function
(a, b) => a + b + 100;
// Traditional Function (no arguments)
let a = 4;
let b = 2;
function (){
return a + b + 100;
}
// Arrow Function (no arguments)
let a = 4;
let b = 2;
() => a + b + 100;concise body arrow functions javascript
const plantNeedsWater = day => day === 'Wednesday' ? true : false;
//If only 1 Parameter no () needed
//Single line return is implicit
//Single line no {} neededarrow 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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