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josedigital/promise.js

Created October 21, 2016 03:45
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promise.js
// how a promise works in javascript
function doWorkPromise(data) {
return new Promise(function(resolve, reject) {
resolve('everything worked');
reject({
error: 'something bad happened'
});
});
}
// the following code is basically a function (called 'then') with 2 functions as args
// function(data).then(func1() {}, func2() {});
doWorkPromise('some data').then(function(data) {
console.log(data);
}, function(error) {
console.log(error);
})
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