CoffeeScript #9

Log =
  log: ->
    console?.log(arguments...)

var Log;

Log = {
  log: function() {
    return typeof console !== "undefined" && console !== null ? console.log.apply(console, arguments) : void 0;
  }
};

Log =
  logPrefix: "(App)"

  log: (args...) ->
    args.unshift(@logPrefix) if @logPrefix
    console?.log(args...)

var Log,
  slice = [].slice;

Log = {
  logPrefix: "(App)",
  log: function() {
    var args;
    args = 1 <= arguments.length ? slice.call(arguments, 0) : [];
    if (this.logPrefix) {
      args.unshift(this.logPrefix);
    }
    return typeof console !== "undefined" && console !== null ? console.log.apply(console, args) : void 0;
  }
};

string = "migrating coconuts"
string == string # true
string is string # true

hash or= {}

hash || (hash = {});

hash ?= {}

if (typeof hash !== "undefined" && hash !== null) {
  hash;
} else {
  hash = {};
};