rwaldron

function endian() {
  var a32 = new Uint32Array([0x12345678]);
  var a8 = new Uint8Array(a32.buffer);
  return a8[1] === 0x12 && a8[2] === 0x78 ? 'MIDDLE' : 
    (a8[0] === 0x12 ? 'BIG' : 'LITTLE');
}

console.log(endian())

WebReflection

function Lie(callback) {'use strict';
  // (C) Andrea Giammarchi - MIT Style License
  // this is now an official npm module https://github.com/WebReflection/dodgy#dodgy-
  var
    resolve, reject, abort,
    lie = new Promise(function (res, rej) {
      callback(res, rej, function onAbort(callback) {
        resolve = res;
        reject = rej;              // feel free to use or ignore arguments
        abort = function abort() { reject(callback.apply(null, arguments)); };

WebReflection

var mutations = (function (document) {
    // (C) WebReflection - Mit Style License
    var
        type = [
            "DOMSubtreeModified",
            "DOMNodeInserted",
            "DOMNodeRemoved",
            "DOMNodeRemovedFromDocument",
            "DOMNodeInsertedIntoDocument",
            "DOMAttrModified",

WebReflection

#!/usr/bin/env sh
imports=imports// "exec" "gjs" "-I" "$(dirname $0)" "$0" "$@"

log("I've found a valid GJS hack to auto import from .");

dfkaye

2013-3-30

Some recent activity from active contributors regarding ES6 proposals threaten to undermine its acceptance from the community at large.

ES6 proposals include the fat arrow, destructured assignment, splat args, let/block scope, class syntax, class-based inheritance, setters/getters with export, the module loader syntax, weak maps, weak events, @symbols, and so forth.

That is a lot for a community user of the language to comprehend. It is a lot for a single iteration of any project.

The sheer amount of change is at root of the confusion apparent even among the es-discuss mailing list ~ [see this conversation for an example] (https://twitter.com/kangax/status/315863525899780096 ""that was removed from the spec", "I thought it was back in", "it's on the table", "'on the table' does not mean 'in the spec'"").

WebReflection

Object.setPrototypeOf() polyfills

Non greedy in 95 bytes (function(O,P){P in O||(O[P]=function(o,p){o.__proto__=p;return o})})(Object,'setPrototypeOf');

Or via self reassignment in 91 bytes (function(O,P){O[P]=O[P]||function(o,p){o.__proto__=p;return o}})(Object,"setPrototypeOf");

Or direct call, 65 bytes, for you closure! var p=Object.setPrototypeOf||function(o,p){o.__proto__=p;return o};

WebReflection

// Andrea Giammarchi, WTFPL
function slice() {'use strict';
  for (var
    o = +this,                // offset
    i = o,                    // start index
    l = arguments.length,     // length
    n = l - o,                // new length
    a = Array(n < 0 ? 0 : n); // new Array
    i < l; i++
  ) a[i - o] = arguments[i];

WebReflection

// all IE < 11 browsers:
//    there is no __proto__
if (!('__proto__' in {})) {
  console.log('you gonna have hard time');
  // we need extra logic to be able to work
  // as meant in IE too. IE9 ain't disappearing
  // any time soon in both desktop and mobile
  // neither will IE10
}
// all Mobile WebKit browsers:

WebReflection

(function(Object){

  /*! (C) Andrea Giammarchi - Mit Style License */

  /////////////////////////////////////////////////////////////////
  //
  // compatibility
  //    native:     Firefox Desktop and Mobile
  //    partial:    IE8 works with DOM nodes only
  //    simulated:  all other browsers except IE < 8

WebReflection

This snippet helps understanding packages dependencies and versions across different projects/folders.

You can pass 2 or more folders to compare their package.json

You can also pass just one fodler to check all modules in it (example: a node_modules folder)

You can pass nothing to analize the current list of packages.

#!/usr/bin/env node