dist/scrollify.es6.js
function parallax(progress) {
  var range = this.options.range || 0;
  var offset = progress * range;        // TODO add provision for speed as well

  this.transforms.position[1] = offset;   // just vertical for now
}
function parallax(progress) {
  var range = this.options.range || 0;
  var offset = progress * range;        // TODO add provision for speed as well

  this.transforms.position[1] = offset;   // just vertical for now
}
function parallax ( progress ) { var range = this . options . range || 0 ; var offset = progress * range ; // TODO add provision for speed as well this . transforms . position [ 1 ] = offset ; // just vertical for now }
Parallax an element.
@param {Float} progress  Current progress data of the scene, between 0 and 1.
@this {Object}
@return {void}
Parallax an element .