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app.js
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42 lines (35 loc) · 857 Bytes
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console.log("Hello World!\n==========\n");
// Exercise 1 Section
console.log("EXERCISE 1:\n==========\n");
function watchTurorialCallback(callback, errorCallback) {
let userLeft = false;
if (userLeft) {
errorCallback("User left.");
} else {
callback("Thumbs up and Subscribe!");
}
}
watchTurorialCallback(
(message) => {
console.log(message);
},
(error) => {
console.log(error.name + " " + error.message);
}
);
let promise = new Promise((resolve, reject) => {
let userLeft = Boolean(Math.round(Math.random()))
if (userLeft) {
reject("User left.")
} else {
resolve("Thumbs up and Subscribe!")
}
})
console.log(promise)
promise
.then((result) => {
console.log(result)
})
.catch((err) => {
console.error(err)
})