wkwebview 方法如下:
[webView evaluateJavaScript:@"navigator.userAgent"completionHandler:^(id result, NSError *error) {
NSString *string=result;
NSLog(@"result====%@",string);
}];
uiwebview 方法如下:
- UIWebView *webView = [[UIWebView alloc] initWithFrame:CGRectZero];
- NSString *string = [webView stringByEvaluatingJavaScriptFromString:@"navigator.userAgent"];
来源: http://www.bubuko.com/infodetail-1994263.html