valueof

XPCOMUtils.defineLazyGetter(DebuggerController, "_isRemoteDebugger", function() {
  // We're inside a single top level XUL window, not an iframe container.
  return !(window.frameElement instanceof XULElement) &&
    !!window._remoteFlag;
});

XPCOMUtils.defineLazyGetter(DebuggerController, "_isChromeDebugger", function() {
  // We're inside a single top level XUL window, but not a remote debugger.
  return !(window.frameElement instanceof XULElement) &&
    !window._remoteFlag;

valueof

/**
 * notabs.js
 *
 * A reporter that discards all warnings about mixed tabs and errors.
 * This file was based on our default reporter so output is the same.
 *
 * Usage:
 *   jshint myfile.js --reporter=notabs.js
 */

valueof

function PC_start() {
  // Also available: gc, stackwalk, jank, adb, copyProfileOnStop
  let features = ["js"];
 
  this.entries = 1000000;
  this.interval = 1;
  this.profiler.StartProfiler(this.entries, this.interval, features, features.length);
  dump("[LOG] features: " + this.profiler.GetFeatures([]) + "\n"); // [LOG] features: stackwalk,jank,js
}

valueof

SpiderMonkey:

> 0++;
SyntaxError: invalid increment operand

V8:

valueof

var hasWorkingNestedRedirectedCalls = (function () {
    function f(a) { return function() { return a.apply(this, arguments); }}
    var g1 = f(function(a) { return a; });
    var g2 = new g1(g1);
    return typeof g2 == "function";
})();

valueof

var Lounge = Backbone.View.extend({
  initialize: function (options) {
    // ...

    Bus.listen('window.inViewport', () => {
      this.states.inViewport = true;
      this.trigger('inViewport');
    });

    Bus.listen('window.scrollOffViewport', () => {

valueof

Object.defineProperty(Object.prototype, "foo", {
    set: function (v) {
        console.log("hello:", v);
    },

    configurable: true}
);

var obj = { foo: "bar" };
var obj2 = {};

valueof

I started writing this program but then got bored and decided to
re-write it in Go. This is my unfinished JavaScript variant.
See https://github.com/antonkovalyov/r2go for more information.

valueof

Array.prototype.join = function () {
  return "LOL, UMAD?";
};

(function () {
  "use built-ins";

  console.log(['Hello', 'World'].join(', ')); // Hello, World
}());

valueof

package main

import (
    "template"
    "fmt"
)

func main() {
    tmpl := template.New(nil)
    tmpl.SetDelims("{{", "}}")