docs: private boolean executeJavaScriptFunction(final String function) {
  		List<WebView> webViews = viewFetcher.getCurrentViews(WebView.class, true);
  		final WebView webView = viewFetcher.getFreshestView((ArrayList<WebView>) webViews);
  		
  		if(webView == null) {
  			return false;
  		}
  
  		final String javaScript = setWebFrame(prepareForStartOfJavascriptExecution(webViews));
  		
  		inst.runOnMainSync(new Runnable() {
  			public void run() {
  				if(webView != null){
  					webView.loadUrl("javascript:" + javaScript + function);
  				}
  			}
  		});
  		return true;
  	}