user24

function SomeBuggyInstantiatedObject() {
  this.name = "bob";
  someElement.onclick = function() {
    alert(this.name); // undefined, because this context is the click event
  }
}

function SomeSuperCoolInstantiatedObject() {
  var that = this;
  this.name = "bob";

user24

// A way to use module pattern along with new keyword
function Foo() {
  this.baz = 4;
  function bar() {
    return this.baz;
  }
  return {
    "bar":bar.bind(this)
  };
}

user24

/*jslint node:true*/
// Usage curl localhost:8080/http://example.com
// - proxies the request, adding Access-control-allow-origin: * and stripping Origin and Referer headers and fixing Host 
"use strict";

var request = require("request"),
    http = require("http"),
    url = require("url");

http.createServer(function proxy(req, res) {

user24

define(['require', 'dependency1', 'dependency2'], function (require, dependency1, dependency2) {

    return function () {};
});

user24

/**/
someCode();
goesHere();
lotsOfCode();
/**/

// With removal/addition of just one char we can toggle commenting of the whole block:

/**
someCode();

user24

// Succinct, does not create strictly unnecessary variables
// but not easy to read
if((a.notes && a.notes.trim() != "") && (b.notes && b.notes.trim() != "")) {
	skip = true;
	console.log('too many notes - skipping');
}

// Verbose, creates two vars which are not really needed
// but it's instantly clear what the 'if' is doing
var aHasNotes = (a.notes && a.notes.trim() != "");

user24

$ telnet couchdb portno
Trying [ipaddress]...
Connected to couchdb
Escape character is '^]'.
GET /dbname/_design/dname/_view/viewname?key="keyname"&include_docs=true&limit=20&descending=true 
HTTP/1.1 200 OK
X-Couch-Request-ID: 9dc69414
Server: CouchDB/1.1.1 (Erlang OTP/R14B01)
Etag: eb2051218277fa86006969ac40867b28
Date: Mon, 17 Sep 2012 08:28:02 GMT

user24

var rawAnswers = [38,264,35];

// Truncate eg 12345 to 12 to account for data errors. 
var answers = [];
rawAnswers.forEach(function(e, i, c) {
  answers.push(parseInt(e.toString().substring(0,2)));
});


var correct=0,sum=0,b=[], mode='', maxi=0;

user24

this.foo = 1;

console.log(this.foo); // 1

function First() {
  this.foo = 2;
  console.log(this.foo); // 2
}

First();

user24

// declare shorthand vars
var o=document.body,c=o.children[0],w=4096,n=256,t=c.getContext("2d"),s=x=y=0;

// set canvas dimensions and background
c.width=c.height=w;c.style.background='#DDD';

// add a pretty description
h=document.createElement('p');
h.innerHTML='<p style="font-family:verdana;font-size:10pt;">All<b style="color:red;">R</b><b style="color:#0F0;">G</b><b style="color:blue;">B</b> entry in JS, in 719b. Rendering every RGB colour exactly once '+w+'x'+w+'px - '+(w*w)+' cols.</p>';
o.insertBefore(h,o.firstChild);