iPhone SDK：如何向添加到UIWebView中的UIButton添加事件

Question

i've a button in webview without setting event handler.how to set eventhandler for it and how to call this function in javascript and how to bring javascript value to objective c. plz give me some suggesstions.

Answer 1

Add handler:

[button addTarget:self action:@selector(SOME SEL) forControlEvents:UIControlEventTouchUpInside];

Returning value:

NSString * returnValue = [WebView stringByEvaluatingJavaScriptFromString:@"SOME JAVASCRIPT"];