haroldtreen

const { assert } = require('chai');

function isError(e) {
    if (typeof e === 'string') {
        return Promise.reject(new Error(e));
    }
    return Promise.resolve(e);
}

kbendick

// Declare/initialize any useful variables here, including the temporary array 
// to merge values into and then copy back into the parameter array.

/*
while the temporary array is not filled
if there are no more values in the left part of a,
move next value from right part of a into next index of the temporary array otherwise, if there are no more values in the right part of a,
move next value from left part of a into next index of the temporary array otherwise (values in each part) compare the first value in each part
move smallest value from a into next index of the temporary array

dmvaldman

Promises as EventEmitters

I was trying to understand JavaScript Promises by using various libraries (bluebird, when, Q) and other async approaches.

I read the spec, some blog posts, and looked through some code. I learned how to

paulhhowells

// from google javascript style guide:
//   One thing to keep in mind, however, is that a closure keeps a pointer to its enclosing scope. As a 
//   result, attaching a closure to a DOM element can create a circular reference and thus, a memory leak. 
//   For example, in the following code: 

// Leaky example
function foo (element, a, b) {
  element.onclick = function() {
    // uses a and b
    // this func keeps a pointer to foo, its enclosing scope