has_params

webv4/lib/request.js

 // Helpers for http_request
 var Request = {
-    // Query parameter p exists and first instance is of optional type t
+	// Query parameter p exists
 	has_param: function (p) {
 		return (Array.isArray(http_request.query[p]) && http_request.query[p].length);
 	},
+    // All query parameters in Array[String] p exist
+	has_params: function (p) {
+		return p.every(function (e) {
+			return (Array.isArray(http_request.query[e]) && http_request.query[e].length);
+		});
+	},
 	// First instance of query parameter p, or undefined
 	get_param: function (p) {
 		if (Array.isArray(http_request.query[p]) && http_request.query[p].length) {