- Optimization fix: Properly run code conditionally on browser check;

fixes #312 (@ianli-sc)

dist/index-es.js

@@ -14761,7 +14761,7 @@ function SvgCanvas(container, config) {
 
     var resultList = null;
 
-    if (!isIE) {
+    if (!isIE()) {
       if (typeof svgroot.getIntersectionList === 'function') {
         // Offset the bbox of the rubber box by the offset of the svgcontent element.
         rubberBBox.x += parseInt(svgcontent.getAttribute('x'));