WebView code generating Uncaught TypeError and Uncaught ReferenceError errors on Android 4.4.2 (API 19) emulator

Question

I\'m having a problem with my code when running on a Android 4.4.2 KitKat (API 19) emulator...

When I emulate my project on a Android 4.3 (API 18) emulator, it works nor

Answer 1

webview.evaluateJavascript("javascript:document.getElementById('math').innerHTML='"+doubleEscapeTeX(questn)+"';",null);

webview.loadUrl("javascript:MathJax.Hub.Queue(['Typeset',MathJax.Hub]);");

This is the sollution for api 19 or above