Function to retrieve sizes of Window and Document objects for reference in applications

window_sizes.js

/***********************************************
*                                              *
*  Declare global variables for all of the     *
*  elements that you are going to be using for *
*  size reference.                             *
*                                              *
***********************************************/
var landscape = false,
    portrait = false,
    ww,wh,dw,dh;

/************************************************
*                                               *
*  Get the sizes of everything relevent.        *
*  Also determine if the viewport is portrait   *
*  or landscape.                                *
*                                               *
************************************************/
function initSizes(){
  ww = $(window).width();
  wh = $(window).height();
  dw = $(document).width();
  dh = $(document).height();
  if(ww > wh){
    landscape = true;
    portrait = false;
  }
  else {
    landscape = false;
    portrait = true;
  }
  /* Console logs for reference
  console.log(ww);
  console.log(wh);
  console.log(dw);
  console.log(dh);
  */
}