oscillator.js

window.onload = function()
{
  var type = 0;
  var contex = new webkitAudioContext();
  var oscillator;
  
  playWave();
  
  function playWave(){
      oscillator = contex.createOscillator();
      oscillator.type = type;
      oscillator.connect(contex.destination);
      oscillator.noteOn(0);
  }
  function addOscillator(){
      var osc = contex.createOscillator();
      osc.type = osc.SQUARE;
      osc.connect(contex.destination);
      osc.noteOn(0);
      return osc;
  }

  var osc2 = addOscillator();
  var $oscilator = document.getElementsByTagName('body')[0];
  $oscilator.onmousemove = function(event){
       osc2.frequency.value=event.y*5;
       oscillator.frequency.value=event.x*5;
  };

};