JSContext *context = [self.webView valueForKeyPath:@"documentView.webView.mainFrame.javaScriptContext"];    JSTextObject * jsiOSObject = [JSTextObject new];    context[@"jsTextObject"] = jsiOSObject;        NSString *jsStr1=@"jsTextObject.CalliOSFunction()";    JSValue *value1 = [context evaluateScript:jsStr1];    DDLogInfo(@"the value 1 is %@", value1);        NSString *jsStr2=@"jsTextObject.CalliOSFunctionParamter(‘hello‘)";    JSValue *value2 = [context evaluateScript:jsStr2];    DDLogInfo(@"the value 1 is %@", value2);    context[@"test1"] = ^() {        NSArray *args = [JSContext currentArguments];        for (id obj in args) {            NSLog(@"test1 %@",obj);        }    };            context[@"share"] = ^() {        NSLog(@"+++++++Begin Log+++++++");        NSArray *args = [JSContext currentArguments];        //        dispatch_async(dispatch_get_main_queue(), ^{//            UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:@"方式二" message:@"这是OC原生的弹出窗" delegate:self cancelButtonTitle:@"收到" otherButtonTitles:nil];//            [alertView show];//        });                NSString *title = @"";        for (JSValue *jsVal in args) {            if ([title isEqualToString:@""]) {                title = jsVal.toString;            }            NSLog(@"%@", jsVal.toString);        }                dispatch_async(dispatch_get_main_queue(), ^{            UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:@"方式二" message:title delegate:self cancelButtonTitle:@"收到" otherButtonTitles:nil];            [alertView show];        });                        NSLog(@"-------End Log-------");    };