Prototype JavaScript framework - document.viewport

document.viewport

2007-11-15T17:20:00Z

getScrollOffsets

2007-11-15T17:15:00Z

document.viewport.getScrollOffsets() -> [Number, Number] also accessible as { top: Number, left: Number }

Returns the viewport’s horizontal and vertical scroll offsets.

Examples


 document.viewport.getScrollOffsets();
 //-> { left: 0, top: 0 }

 window.scrollTo(0, 120);
 document.viewport.getScrollOffsets();
 //-> { left: 0, top: 120 }

getWidth

2007-11-15T17:12:00Z

document.viewport.getWidth() -> Number

Returns the width of the viewport.

Equivalent to calling document.viewport.getDimensions().width.

getHeight

2007-11-15T17:11:00Z

document.viewport.getHeight() -> Number

Returns the height of the viewport.

Equivalent to document.viewport.getDimensions().height.

getDimensions

2007-11-15T17:06:00Z

document.viewport.getDimensions() -> { width: Number, height: Number }

Returns the size of the viewport.

The viewport is the subset of the browser window that a page occupies — the “usable” space in a browser window.

Examples


  document.viewport.getDimensions();
  //-> { width: 776, height: 580 }