promise.js

// Can you spot the bug? You will never se any errors in devtools/console when running this.

new Promise(function(reslove) {
  resolve("Foo");
})
.then(function() {
  console.log("Why is this never called?");
});

You have a typo... reslove vs resolve.

Two ways to 'do it right'...

1: not ideal, but functional...

new Promise(function(reslove) {
  resolve("Foo");
})
.catch(function (e){ console.log(e); })
.then(function() {
  console.log("Why is this never called?");
});

2: doing it right

new Promise(function(reslove) {
  resolve("Foo");
})
.then(function() {
  console.log("Why is this never called?");
}, function (e) { console.log(e); });

My point was that typos like this are (currently) swallowed silently and not being reported to devtools/console (at least in Chrome/FF).

Relevant: domenic/promises-unwrapping#19
Chromium issue: https://code.google.com/p/v8/issues/detail?id=3093