datchley’s gists

datchley / asyn-sequence.js

Last active August 29, 2015 14:11

A rudimentary, asychronous ES5 generator using Promises

	/**
	* Return a random number between min/max where the mean
	* result is approximately the mode across a uniform distribution.
	* @param min {Number} - lower limit of range (inclusive)
	* @param max {Number} - upper limit of range (inclusive)
	* @return {Function} - a function that returns a random number between 'min' and 'max'
	*/
	var genRandomFromRangeFn = function(min, max) {
	return function() {
	var res = Math.round(Math.random() * (max - min)) + min;

datchley / object-elevator.js

Last active August 29, 2015 14:11

Simple, single elevator implementation in javascript

	function extend(/* objects */) {
	var args = [].slice.call(arguments,0),
	base = args.shift(),
	len = args.length;
	while (args.length) {
	var o = args.pop();
	for (var prop in o) {
	// properties override those existing
	if (typeof base[prop] === 'undefined' && typeof o[prop] !== 'function') {
	base[prop] = o[prop];

datchley / escape-utils.js

Last active August 29, 2015 14:07

Javascript string escape utilities

	(function (root, factory) {
	if (typeof define === 'function' && define.amd) {
	// AMD. Register as an anonymous module.
	define([], factory);
	} else if (typeof exports === 'object') {
	// Node. Does not work with strict CommonJS, but
	// only CommonJS-like environments that support module.exports,
	// like Node.
	module.exports = factory();
	} else {

datchley / moveto.html

Last active August 29, 2015 14:07

jQuery extension - $.moveTo() and a `DOMChanged` event implementation

datchley / cprop.jquery.js

Last active August 29, 2015 14:07

Class-like properties on elements in jQuery

	!function (factory) {
	if (typeof exports == 'object') {
	factory(require('jquery'));
	} else if (typeof define == 'function' && define.amd) {
	define(['jquery'], factory);
	} else {
	factory(jQuery);
	}
	}(function($) {
	'use strict';

datchley / .jshint.rc

Created September 15, 2014 16:16

JSHint config file for RevOps Team developers

	{
	// JSHint Default Configuration File
	// See http://jshint.com/docs/ for more details

	"maxerr" : 50, // {int} Maximum error before stopping

	// Enforcing
	"bitwise" : true, // true: Prohibit bitwise operators (&, \|, ^, etc.)
	"camelcase" : false, // true: Identifiers must be in camelCase
	"curly" : true, // true: Require {} for every new block or scope

datchley / url-parse.js

Last active August 29, 2015 14:03

Parse a URL string in it's various parts

	function parseUrl(url) {
	var _url = (url \|\| window.location.href).match(/^(?:(https?:)\/\/)?([^\?\#\/\:]+)(?::(\d+))?([^\?\#]+)?(\?[^#]+)?(#[^\s]+)?$/),
	params = _url[5] \|\| false;

	if (!_url.length) {
	// couldn't parse url string
	return false;
	}

	if (params && !/^$/.test(params)) {

datchley / generic-xhr.js

Created June 3, 2014 19:58

Plain javascript XMLHttpRequest implementation.

	function xhr(){
	try {
	return new XMLHttpRequest();
	}catch(e){}
	try {
	return new ActiveXObject("Msxml3.XMLHTTP");
	}catch(e){}
	try {
	return new ActiveXObject("Msxml2.XMLHTTP.6.0");
	}catch(e){}

datchley / promises.js

Last active August 29, 2015 14:02

Simple Promise/Deferred library (likely not Promise/A+ aligned).

	var Promise = function() {
	this.resolve_callbacks = [];
	this.reject_callbacks = [];
	this.state = null;
	};

	Promise.prototype = {
	then: function(resolvefn, rejectfn) {
	if (this.state == 'resolved') {
	resolvefn();

datchley / dom-utils.js

Last active March 19, 2019 05:59

DOM related utilities, implementations for wrap(), wrapAll(), geStyle() and getElementsByClassName() - try it http://jsbin.com/jozaje/1/

	/** Faster rounding function to avoid heavy use of Math.round */
	function round(n) {
	return (n + 0.5) << 0;
	}

	/**
	* Wrapper for getBoundingClientRect that returns a
	* subset ('top','left') and includes a 'width' and 'height'.
	* It also rounds the pixel measurements to the nearest integer value
	*

David Atchley datchley