src/slidy.js
function _translate(duration, ease = '', x = false) {
    slidesDOMEl.style.cssText = getTranslationCSS(duration, ease, index, x)
  }
function _translate(duration, ease = '', x = false) {
    slidesDOMEl.style.cssText = getTranslationCSS(duration, ease, index, x)
  }
function _translate ( duration , ease = '' , x = false ) { slidesDOMEl . style . cssText = getTranslationCSS ( duration , ease , index , x ) }
translates to a given position in a given time in milliseconds

@duration  {number} time in milliseconds for the transistion
@ease      {string} easing css property
@x         {number} Number of pixels to fine tuning translation
translates to a given position in a given time in milliseconds