gistfile1.js

function counter() {
   var n = 0;
   return function() {
      n++;
      return n;
   }
}

c = counter();
c(); // ouputs 1
c(); // outputs 2


$("button").click(function(event) {
   // handle the click
}

var handlers = [
   function() { ... },
   function() { ... }
];

var thingsToRun = {
   red: function() { ... },
   blue: function() { ... },
   green : function() { ... }
}

(function () {
   var name = "Bob, the Closure String";
   $("button").click(function() {
      alert("My closure has a first name. It's " + name)
   });
})();


function capitalize(list) {
   for (var i=0; i<list.length; i++) {
      list[i] = list[i].toUpperCase();
   }
}

function upper(str) {
    return str.toUpperCase();
}

function capitalize(list) {
   return list.map(upper)
}

lowerCase(underscore(capitalize(['foo', 'bar'])))


$.get("http://example.com")
   .then(doSomething)
   .then(doSomethingElse)
   .then(andFinish)


function findNextPrime(start) {
    // do lots of work
    return nextPrime;
}

function findNextPrime(start) {
    return function() {
        // do lots of work
        return nextPrime;
    }
}

translated_string = trans("Hello, world!")


function Thing() {
    this.name = "Bob";
    this.age = 42;
}

var thing = new Thing();


var x = {name: "Bob"};
x.name = "Fred"; // Not allowed!