Uncaught ReferenceError while loading asset file on android 4.4

Question

I am using following MathJax app code. http://cs.jsu.edu/wordpress/?p=498#comment-217

In following function i am trying to load file from asset directory.

Answer 1

if (android.os.Build.VERSION.SDK_INT < 19) {
                    v.loadUrl(url);
                } else {
                    v.evaluateJavascript(url,null);
                }