arv

Object.prototype.$super = function() {
  var func = arguments.callee.caller;
  var name = func.foundName_;
  if (!name) {
    for (var p in this) {
      if (this[p] == func) {
        name = p;
        break;
      }
    }

arv

import {
  variablesInFunction,
  variablesInBlock,
  thinger,
  otherthinger,
  ...
} from '../semantics/VariableBinder.js';

arv

ExportSpecifierSet ::=  "{" ExportSpecifier ("," ExportSpecifier)* "}" ("from" Path)?
                    |   Id ("from" Path)?
                    |   "*" ("from" Path)?

arv

var data = 42;
var object = {
  get x() {
    return data;
  },
  set x(v) {
    notifier.notify({
      type: 'updated',
      name: 'x',
      oldValue: data

arv

// And in browsers that support __proto__:

document.register('x-foo', {
  extends: 'p',
  prototype: {
    __proto__: HTMLParagraphElement.prototype,
    get foo() { return 'foo'; }
  }
})

arv

var C = 1;
function f(x = C) {
  var C = 2;
  return x;
}

var result = f();  // ???

arv

(function() {

function isNode(value) {
  return value instanceof Node;
}

function isAttrObject(value) {
  return value != null && typeof value === 'object' && !isNode(value);
}

arv

'use strict';
class Base {
  constructor(x) {
    this.x = x;
  }
}

let f;
class D1 extends Base {
  constructor() {

arv

    createPropertyAccessor: function(name, ignoreWrites) {
      var proto = this.prototype;
      var privateName = name + '_';
      var privateObservable  = name + 'Observable_';
 
      Object.defineProperty(proto, name, {
        get: function() {
          var observable = this[privateObservable];
          if (observable)
            observable.deliver();

arv

var assert = {
  equal: function(x, y) {
    if (x === y) return;
    throw new Error();
  },
  isTrue: function(x) {
    if (x) return;
    throw new Error();
  }
};