1. some stupid things
   1. if else java style
   2. for(var x=0;x<2;x++)
   3. Array
      1. var somearray = new Array();
      2. var 2Darray = new Array(new Array(2),new Array(3));
   4. function
      1. function changeImage(xyz)
         1. Remember no var is required for xyz.... inside the method signature
         2. But xyz act as local variable
      2. return x;
      3. var funcName = changeImage;
         1. No function bracket
         2. funcName("some stupid thing");
      4. Callback
         1. browser supported callback method
            1. e.g.,
            2. onload
            3. onclick
            4. window.onload = changeImage;
            5. Just Referencing the method.. not calling it
2. Browser
   1. cookie
      1. document.cookie
      2. navigator.cookieEnabled