lewisje

// part of a pair of functions intended to isolate code that kills the optimizing compiler
// https://github.com/petkaantonov/bluebird/wiki/Optimization-killers#2-unsupported-syntax
function functionize(func, arg) {
  switch (typeof func) {
    case 'string':
      return arg ? new Function(String(arg), func) : new Function(func);
    case 'function':
      return func;
    default:
      return function () {return func;};

lewisje

javascript:document.documentElement.innerHTML='<plaintext>'+document.documentElement.innerHTML;

lewisje

// Here is a JSFiddle with a concrete example: https://jsfiddle.net/SeanJM/rg3ftcgk/1/
// This is one of Sean's most leveraged functions, which he uses to keep my code nice and modular
function fnChain(target, source, args) {
  'use strict';
  var objProto = Object.prototype, hasOwn, chain, k;
  if (objProto.toString.apply(args) !== '[object Array]') {
    throw new TypeError('Invalid argument for "fnChain": The 3rd argument must be an array of arguments.');
  }
  hasOwn = objProto.hasOwnProperty;
  chain = function chain(k) {

lewisje

var nodeInsertion = (function (document, undefined) {
'use strict';
function noop() {}
var result = {add: noop, remove: noop};
if (typeof String.prototype.trim !== 'function') return result; // Every browser that supports animations also has String#trim

// a stylesheet that holds our special keyframe code: https://davidwalsh.name/add-rules-stylesheets
var animName = ('node_' + Math.random() + '_inserted').split('.').join(''), sheet = (function () {
    var style = document.createElement('style');
    style.appendChild(document.createTextNode(['@-o-','@-moz-', '@-webkit-', '@', ''].join('keyframes ' +

lewisje

(function (document) {
  'use strict';
  /*
   * LODASH in-Browser JSON transformer
   * Use this in a bookmarket (save its contents in a bookmark) and whenever you open a JSON response (e.g. https://www.reddit.com/.json)
   * you can use it to test lodash methods against the data.
   * Lodash is exposed on window as _ and "json" global variable contains the data within the browser window.
   *
   * Copy the line below and save it as the url of a new bookmark (it's the same code as below but minified for bookmark use): 
   * javascript:!function(e){"use%20strict";function%20t(){s=JSON.parse(j.innerText||j.textContent),y.src=p,y.onload=n,e.head.appendChild(y)}function%20n(){window.json=JSON.parse(JSON.stringify(s)),i(window.json),m.oninput=o,e.body.appendChild(m),e.body.appendChild(x)}function%20o(e){var%20t,n=e||event,o=n.target||n.srcElement;return%20o.value?(t=a(o.value),void(t&&"object"==typeof%20t?(r(o,"success"),i(t)):r(o,"error"))):(i(s),void%20r(o,"success"))}function%20i(e){j.innerText?j.innerText=JSO

lewisje

Keybase proof

I hereby claim:

• I am lewisje on github.
• I am lewisje (https://keybase.io/lewisje) on keybase.
• I have a public key ASCMAUXVxmtQRyrx40JOErH18pznSvs4snXEkDzo4-SLKQo

To claim this, I am signing this object:

lewisje

// https://web.archive.org/web/20141119215047/http://jsperf.com/javascript-quicksort-comparisons
// based on work from Vladimir Yaroslavskiy: https://web.archive.org/web/20151002230717/http://iaroslavski.narod.ru/quicksort/DualPivotQuicksort.pdf
var dualPivotQuicksort = (function (Math, toString, undefined) {
  'use strict';
  function swap(arr, i, j) {
    var temp = arr[i];
    arr[i] = arr[j];
    arr[j] = temp;
  }
  function dualPivotQuicksort(arr, comp, left, right, div) {