DA-14

javascript architecture design code it source engineering development js debugging composite command oop php pattern programming template design patterns visitor backend principles book education mongodb zend2 zend mysql orm doctrine data database db widget dom document oriented model imports templates css html frontend ui web components web hypertext transfer protocol representational state transfer efficiency career performance goal node.js global scope game pitfalls event loop scalability nodejs internet google adwords automation stub unit testing assert fixture best practises tdd tests spy bdd mock management time control service restrful rest