Propery escape single quotes, double quotes, and newlines being sent to the javascript

Author: marcuswestin

WebViewJavascriptBridge/Classes/WebViewJavascriptBridge.m

@@ -23,6 +23,9 @@ - (void)sendMessage:(NSString *)message {
 }
 
 - (void)_doSendMessage:(NSString *)message {
+	message = [message stringByReplacingOccurrencesOfString:@"\\n" withString:@"\\\\n"];
+	message = [message stringByReplacingOccurrencesOfString:@"'" withString:@"\\'"];
+	message = [message stringByReplacingOccurrencesOfString:@"\"" withString:@"\\\""];
     [webView stringByEvaluatingJavaScriptFromString:[NSString stringWithFormat:@"WebViewJavascriptBridge._handleMessageFromObjC('%@');", message]];
 }