// Initiate Viewport Buggyfill Hacks
window.viewportUnitsBuggyfill.init({

    // milliseconds to delay between updates of viewport-units
    // caused by orientationchange, pageshow, resize events
    refreshDebounceWait: 250,

    // provide hacks plugin to make the contentHack property work correctly.
    hacks: window.viewportUnitsBuggyfillHacks

});