some user might be want to get failed callback on not supported browser

index.js

@@ -194,6 +194,7 @@ module.exports = function(uri, failCb, successCb) {
             openUriUsingIEInOlderWindows(uri, failCallback, successCallback);
         } else {
             //not supported, implement please
+            failCallback();
         }
     }
 }

package.json

@@ -1,6 +1,6 @@
 {
   "name": "custom-protocol-detection",
-  "version": "1.0.0",
+  "version": "1.0.1",
   "description": "Detect whether a custom protocol is available in browser (FF, Chrome, IE8, IE9, IE10, IE11, and Edge)",
   "main": "index.js",
   "scripts": {

protocolcheck.js

@@ -1,4 +1,4 @@
-(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.protocolCheck = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
+(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.protocolCheck = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
 function _registerEvent(target, eventType, cb) {
     if (target.addEventListener) {
         target.addEventListener(eventType, cb);
@@ -51,7 +51,7 @@ function openUriWithHiddenFrame(uri, failCb, successCb) {
 }
 
 function openUriWithTimeoutHack(uri, failCb, successCb) {
-    
+
     var timeout = setTimeout(function () {
         failCb();
         handler.remove();
@@ -195,9 +195,10 @@ module.exports = function(uri, failCb, successCb) {
             openUriUsingIEInOlderWindows(uri, failCallback, successCallback);
         } else {
             //not supported, implement please
+            failCallback();
         }
     }
 }
-
-},{}]},{},[1])(1)
+
+},{}]},{},[1])(1)
 });