promise javascript
/*
Promise is a constructor function, so you need to use the new keyword to
create one. It takes a function, as its argument, with two parameters -
resolve and reject. These are methods used to determine the outcome of the
promise.
The syntax looks like this:
*/
const myPromise = new Promise((resolve, reject) => {
});Promise
let doSecond = () => {
console.log('Do second.')
}
let doFirst = new Promise((resolve, reject) => {
setTimeout(() => {
console.log('Do first.')
resolve()
}, 500)
})
doFirst.then(doSecond)Copyright © 2021 Codeinu
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