Function isPositionApprox

test/unit/add-remove-cells.js:11–16

( value, expected )

  // position values can be off by 0.1% or 1px
  function isPositionApprox( value, expected ) {
    var isPercent = value.indexOf('%') != -1;
    value = parseFloat( value );
    var diff = Math.abs( expected - value );
    return isPercent ? diff < 0.1 : diff <= 1;
  }

  var elem = document.querySelector('#add-remove-cells');
  var flkty = new Flickity( elem );