how does one check if UIWebView is empty or not

Question

I need to check if a webview when completed loading has any content or not.

What I require is simple. Its a small webview strip at the bottom of my pages (like an advert

Answer 1

This is based on Jano's approach but should perform better:

NSString *script = @"document.getElementsByTagName('body')[0].innerHTML.length";
NSString *length = [self.webView stringByEvaluatingJavaScriptFromString:script];

if (length.integerValue > 0) {
    NSLog(@"not empty");
}