function preventBodyShift()

in _dist/alertify/alertify.js [690:704]

• 15 lines of code
• 5 McCabe index (conditional complexity)

        function preventBodyShift(add){
            if(alertify.defaults.preventBodyShift){
                if(add && document.documentElement.scrollHeight > document.documentElement.clientHeight ){//&& openDialogs[openDialogs.length-1].elements.dialog.clientHeight <= document.documentElement.clientHeight){
                    topScroll = scrollY;
                    top = window.getComputedStyle(document.body).top;
                    addClass(document.body, classes.fixed);
                    document.body.style.top = -scrollY + 'px';
                } else if(!add) {
                    scrollY = topScroll;
                    document.body.style.top = top;
                    removeClass(document.body, classes.fixed);
                    restoreScrollPosition();
                }
            }
        }