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@nhc
Last active June 14, 2017 10:24
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Simple JS promise.
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width">
<script src="https://cdnjs.cloudflare.com/ajax/libs/bluebird/1.2.2/bluebird.js"></script>
<title>JS Bin</title>
</head>
<body>
<script id="jsbin-javascript">
/* ES5, using Bluebird */
var isMomHappy = false;
// Promise
var willIGetNewPhone = new Promise(
function (resolve, reject) {
if (isMomHappy) {
var phone = {
brand: 'Samsung',
color: 'black'
};
resolve(phone);
} else {
var reason = new Error('mom is not happy');
reject(reason);
}
}
);
// call our promise
var askMom = function () {
willIGetNewPhone
.then(function (fulfilled) {
// yay, you got a new phone
console.log(fulfilled);
})
.catch(function (error) {
// ops, mom don't buy it
console.log(error.message);
});
}
askMom();
</script>
<script id="jsbin-source-javascript" type="text/javascript">/* ES5, using Bluebird */
var isMomHappy = false;
// Promise
var willIGetNewPhone = new Promise(
function (resolve, reject) {
if (isMomHappy) {
var phone = {
brand: 'Samsung',
color: 'black'
};
resolve(phone);
} else {
var reason = new Error('mom is not happy');
reject(reason);
}
}
);
// call our promise
var askMom = function () {
willIGetNewPhone
.then(function (fulfilled) {
// yay, you got a new phone
console.log(fulfilled);
})
.catch(function (error) {
// ops, mom don't buy it
console.log(error.message);
});
}
askMom();</script></body>
</html>
/* ES5, using Bluebird */
var isMomHappy = false;
// Promise
var willIGetNewPhone = new Promise(
function (resolve, reject) {
if (isMomHappy) {
var phone = {
brand: 'Samsung',
color: 'black'
};
resolve(phone);
} else {
var reason = new Error('mom is not happy');
reject(reason);
}
}
);
// call our promise
var askMom = function () {
willIGetNewPhone
.then(function (fulfilled) {
// yay, you got a new phone
console.log(fulfilled);
})
.catch(function (error) {
// ops, mom don't buy it
console.log(error.message);
});
}
askMom();
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