?? javascript
❤ We will always love you javascript! ❤javascript
let str = "12345.00";
str = str.substring(0, str.length - 1);
console.log(str);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 arrow function this
const person = {
firstName: 'Viggo',
lastName: 'Mortensen',
fullName: function () {
return `${this.firstName} ${this.lastName}`
},
shoutName: function () {
setTimeout(() => {
//keyword 'this' in arrow functions refers to the value of 'this' when the function is created
console.log(this);
console.log(this.fullName())
}, 3000)
}
}javascript
const javascript = 'Hello world';
console.log(javascript);() = javascript
//Normal function
function sum(a, b) {
return a + b;
}
//Arraw function
let sum = (a, b) => a + b;Copyright © 2021 Codeinu
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