resourceloader: Remove redundant '!!' from startup.js

The outer expression already casts the result to a boolean.

Unit tests in startup.test.js also strictly assert that the
returned values are boolean.

Change-Id: I5709fcd0184b99d289b9cdfeccf8afa960806d59

diff --git a/resources/src/startup/startup.js b/resources/src/startup/startup.js
index ee72166..03141b9 100644 (file)
--- a/resources/src/startup/startup.js
+++ b/resources/src/startup/startup.js
@@ -55,7 +55,7 @@ window.isCompatible = function ( str ) {
                // https://caniuse.com/#feat=json / https://phabricator.wikimedia.org/T141344#2784065
                ( function () {
                        'use strict';
-                       return !this && !!Function.prototype.bind && !!window.JSON;
+                       return !this && Function.prototype.bind && window.JSON;
                }() ) &&
 
                // https://caniuse.com/#feat=queryselector