<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
</head> <body> <script>
;(function(root, factory) {
if (typeof module !== 'undefined' && module.exports) {// CommonJS
module.exports = factory();
} else if (typeof define === 'function' && define.amd) {// AMD / RequireJS
define(factory);
} else {
root.Promise = factory.call(root);
}
}(this, function() {
'use strict'; function PromiseA(resolver) {
return this;
} // new Promise().a()
PromiseA.prototype.a = function () {
console.log('a'); return this;
}; PromiseA.prototype.b = function () {
console.log('b'); return this;
}; // Promise.a()
PromiseA.a = function () {
var p = new PromiseA(); return p.a();
}; PromiseA.b = function () {
var p = new PromiseA(); return p.b();
}; return PromiseA;
})); new Promise().a().b(); Promise.a().b();
</script>
</body> </html>