VexFlow Sandbox

Experiment with VexFlow

by ronyeh

HTML

<script src="https://unpkg.com/[email protected]/build/cjs/vexflow-debug.js"></script>
<div id="output"></div>

CSS

div svg {
	border: 1px solid #AAA;
}

JavaScript

const { Renderer, TabStave, TabNote, Bend, Vibrato, Formatter } = Vex.Flow;

// Create an SVG renderer and attach it to the DIV element with id="output".
const div = document.getElementById('output');
const renderer = new Renderer(div, Renderer.Backends.SVG);

// Configure the rendering context.
renderer.resize(500, 300);
const context = renderer.getContext();

// Create a tab stave of width 400 at position 10, 40 on the canvas.
const stave = new TabStave(10, 40, 400);
stave.addClef('tab').setContext(context).draw();

const notes = [
  // A single note
  new TabNote({
    positions: [{ str: 3, fret: 7 }],
    duration: 'q',
  }),

  // A chord with the note on the 3rd string bent
  new TabNote({
    positions: [
      { str: 2, fret: 10 },
      { str: 3, fret: 9 },
    ],
    duration: 'q',
  }).addModifier(new Bend('Full'), 1),

  // A single note with a harsh vibrato
  new TabNote({
    positions: [{ str: 2, fret: 5 }],
    duration: 'h',
  }).addModifier(new Vibrato().setHarsh(true).setVibratoWidth(70), 0),
];

Formatter.FormatAndDraw(context, stave, notes);