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function map (arr, func) {
return Promise.resolve().then(function () {
return arr.map(function (el) { return func(el) })
}).all()
}
function mapSeries (arr, func) {
let currentPromise = Promise.resolve()
let promises = arr.map(function (el) {
return currentPromise = currentPromise.then(function () {
@joshbeckman
joshbeckman / animatedScrollTo.js
Created September 30, 2013 14:51
ScrollTo animation using pure javascript and no jquery
document.getElementsByTagName('button')[0].onclick = function () {
scrollTo(document.body, 0, 1250);
}
function scrollTo(element, to, duration) {
var start = element.scrollTop,
change = to - start,
currentTime = 0,
increment = 20;
@PatrickJS
PatrickJS / factory-shared.es5.js
Last active May 17, 2024 03:37
Different examples of OOP "class" with "inheritance" done using JavaScript including languages that transpile into js. Take notice to the amount of boilerplate that's needed in ES5 compared to ES6. These examples all have the same interface with pros/cons for each pattern. If they seem similar that's whole point especially the difference between…
var EventEmitter = require('events').EventEmitter;
var _ = require('lodash');
// Factory shared
var makePerson = function() {
var person = {};
EventEmitter.call(person);
person.wallet = 0;
_.extend(person, personMethods)
return person;
@danharper
danharper / gulpfile.js
Last active September 25, 2024 09:04
New ES6 project with Babel, Browserify & Gulp
var gulp = require('gulp');
var sourcemaps = require('gulp-sourcemaps');
var source = require('vinyl-source-stream');
var buffer = require('vinyl-buffer');
var browserify = require('browserify');
var watchify = require('watchify');
var babel = require('babelify');
function compile(watch) {
var bundler = watchify(browserify('./src/index.js', { debug: true }).transform(babel));
@sphvn
sphvn / traverse.js
Last active October 26, 2023 21:49
Recursively traverse object javascript, recurse json js, loop and get key/value pair for JSON
var traverse = function(o, fn) {
for (var i in o) {
fn.apply(this,[i,o[i]]);
if (o[i] !== null && typeof(o[i])=="object") {
traverse(o[i], fn);
}
}
}
// usage
@mikechau
mikechau / video.jsx
Last active August 20, 2021 12:50
videojs react component
var React = require('react');
var cx = require('classnames');
var vjs = require('video.js');
var _forEach = require('lodash/collection/forEach');
var _debounce = require('lodash/function/debounce');
var _defaults = require('lodash/object/defaults');
var DEFAULT_HEIGHT = 800;
var DEFAULT_WIDTH = 600;
var DEFAULT_ASPECT_RATIO = (9 / 16);