code: function createChildCanvas(node) {
    let canvasElement = document.createElement('canvas');
    canvasElement.className = 'particles-js-canvas-el';
    canvasElement.style.width = '100%';
    canvasElement.style.height = '100%';
    node.appendChild(canvasElement);
  }
docs: /*
  We can't use the particlesJS hook to generate a canvas as it doesn't
  return an instance of the pJS object. So, we'll do it manually.