Ramdom music notes generator

genotes.js

  
var context=new AudioContext();
var o=null;
var g=null;
var note
var notes = [130.8, 138.6,	146.8,	155.6,	164.8,	174.6,	185.0,	196.0,	207.7,	220.0,	233.1,	246.9, 261.6, 277.2, 293.7, 311.1, 329.6, 349.2, 370, 392, 415.3, 440, 466.2, 493.9] //, 523.3, 554.4, 587.3, 622.3, 659.3, 698.5, 740, 784, 830.6, 880, 932.3, 987.8]

var swaras = ['Sa','re','Re','ga','Ga','Ma','MA','Pa','dha','Dha','ni','Ni','Sa*','re','Re*','ga*','Ga*','Ma*','MA*','Pa*','dha*','Dha*','ni*','Ni*', 'Sa**']

function playNote(frequency) {
  var type = 'sine' // 'square' 'triangle', 'sawtooth');
  setTimeout(function(){
    o = context.createOscillator();
      g = context.createGain();
      o.type = type;
      o.connect(g);
      o.frequency.value = frequency;
      g.connect(context.destination);
      o.start(0);
      g.gain.exponentialRampToValueAtTime(0.00001, context.currentTime + 7);
  },1000)
}

function play() {
  playNote(notes[Math.floor(Math.random()*notes.length)])
}

function gen() {
  note = Math.floor(Math.random()*notes.length)
  console.log(swaras[note])
}

function p(){
  playNote(notes[note])
}

//https://reeteshghimire.com.np/2020/03/27/play-musical-notes-with-javascript/