SOURCE

// var values = [0, 3, 3, 4, 2, 7, 1]

// console.log(values.sort(function (value1, value2){
//             return value1 + value2
//             }))

// var fn = {}
// fn.name = 'shabi'
// console.log(fn.name)

// var somefn = function() {
  
// }

// somefn.somewords = 'dashabi'
// console.log(somefn.somewords)
function assert(value, text) {
  if(value === true) {
    console.log(text)
  } else {
    console.log('信息有误')
  }
}
var store = {
  nextID : 1,
  cache : {},
  ttt: 3,
  add : function(fn) {
    if (!fn.id) {
      fn.id = this.nextID ++
      this.cache[fn.id] = fn
      return ture
      
    } 
  }
}
 function test() {
   console.log('fn  test')
 }

assert(store.add(test), 'function was safety added')