(我在这里提出问题后不久就为此提出了雷达申请。)
几天前刚刚添加了一种新方法(感谢jcesarmobile指出):
添加-[WKWebView evaluateJavaScript:completionHandler:]
该方法在iOS 8 beta 3及更高版本中可用。这是新的方法签名:
/* @abstract Evaluates the given JavaScript string.
@param javaScriptString The JavaScript string to evaluate.
@param completionHandler A block to invoke when script evaluation completes
or fails.
@discussion The completionHandler is passed the result of the script evaluation
or an error.
*/
- (void)evaluateJavaScript:(NSString *)javaScriptString
completionHandler:(void (^)(id, NSError *))completionHandler;