2 Answers Exclusive — Cisco Javascript Essentials

function Dog(name) { Animal.call(this, name); }

Animal.prototype.sound = function() { console.log("The animal makes a sound."); };

Error handling in JavaScript can be achieved using try-catch blocks, where you can catch and handle specific errors. Additionally, you can use the throw statement to throw custom errors. cisco javascript essentials 2 answers exclusive

A promise in JavaScript represents a value that may not be available yet, but will be resolved at some point in the future. You can create a promise using the Promise constructor and handle its resolution or rejection using .then() and .catch() methods. For example:

promise.then((data) => { console.log(data); }).catch((error) => { console.error(error); }); function Dog(name) { Animal

function Animal(name) { this.name = name; }

Dog.prototype = Object.create(Animal.prototype); Dog.prototype.constructor = Dog; You can create a promise using the Promise

Event bubbling refers to the process where events triggered on child elements are propagated up to their parent elements, whereas event capturing refers to the process where events are captured by parent elements before they reach their child elements.