Cisco Javascript Essentials 2 Answers Exclusive -

promise.then((data) => { console.log(data); }).catch((error) => { console.error(error); });

try { // Code that might throw an error } catch (error) { console.error(error.message); } 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

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