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joelbarbosa/index.html

Created September 18, 2017 21:18
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JS Bin // source https://jsbin.com/jazelig
Raw
index.html
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width">
<title>JS Bin</title>
</head>
<body>
<script id="jsbin-javascript">
var a = new Promise(res => setTimeout(()=>{
res(1)
}, 2000));
var b = new Promise(res => setTimeout(()=>{
res(2)
}, 1000));
var c = (fn) => new Promise(res => console.log(fn));
var arr = [a, b];
arr.reduce(function(promise, next) {
return promise.then(_ => next).then( value => {
console.log(value); // ***
return value;
});
}, Promise.resolve());
//hardcode
a.then(r1 => r1.then(c(r1).then(b.then(r2 => r2.then(c(r2))))))
</script>
<script id="jsbin-source-javascript" type="text/javascript">var a = new Promise(res => setTimeout(()=>{
res(1)
}, 2000));
var b = new Promise(res => setTimeout(()=>{
res(2)
}, 1000));
var c = (fn) => new Promise(res => console.log(fn));
var arr = [a, b];
arr.reduce(function(promise, next) {
return promise.then(_ => next).then( value => {
console.log(value); // ***
return value;
});
}, Promise.resolve());
//hardcode
a.then(r1 => r1.then(c(r1).then(b.then(r2 => r2.then(c(r2))))))</script></body>
</html>
Raw
jsbin.jazelig.js
var a = new Promise(res => setTimeout(()=>{
res(1)
}, 2000));
var b = new Promise(res => setTimeout(()=>{
res(2)
}, 1000));
var c = (fn) => new Promise(res => console.log(fn));
var arr = [a, b];
arr.reduce(function(promise, next) {
return promise.then(_ => next).then( value => {
console.log(value); // ***
return value;
});
}, Promise.resolve());
//hardcode
a.then(r1 => r1.then(c(r1).then(b.then(r2 => r2.then(c(r2))))))
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