var getScrollbarWidth = function()

in src/main/resources/libs/sling/logtail-plugin/js/tail.js [352:375]

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

        var getScrollbarWidth = function() {
            var outer = document.createElement("div");
            outer.style.visibility = "hidden";
            outer.style.width = "100px";
            outer.style.msOverflowStyle = "scrollbar"; // needed for WinJS apps

            document.body.appendChild(outer);

            var widthNoScroll = outer.offsetWidth;
            // force scrollbars
            outer.style.overflow = "scroll";

            // add innerdiv
            var inner = document.createElement("div");
            inner.style.width = "100%";
            outer.appendChild(inner);

            var widthWithScroll = inner.offsetWidth;

            // remove divs
            outer.parentNode.removeChild(outer);

            return widthNoScroll - widthWithScroll;
        };