JavaScript to the operating system's API with superuser privileges. These flaws have affected major browsers including Firefox, Internet Explorer, and Safari. Plugins, such as video players, Adobe Flash, and the wide range of ActiveX controls enabled by default in Microsoft Internet Explorer, may also have flaws exploitable via JavaScript (such flaws have been exploited in the past). In Windows Vista, Microsoft has attempted to contain the risks of bugs such as buffer overflows by running the Internet Explorer process with limited privileges. Google Chrome similarly confines its page renderers to their own "sandbox". Web browsers are capable of running JavaScript outside
Construct (game engine) allowing for more complicated behaviors to be created. Construct's primary export platforms are HTML5 based. It claims support across Google Chrome, Firefox, Internet Explorer 9+, Safari 6+ and Opera 15+ on desktop browsers, and support for Safari in iOS 6+, Chrome and Firefox for Android, Windows Phone 8+, BlackBerry 10+ and Tizen. Additionally, Construct can export to several online marketplaces and platforms, including Facebook, the Chrome Web Store, the Firefox Marketplace, the Amazon Appstore, Scirra's own Arcade and Kongregate. Construct has the ability to export to several platforms that provide offline and native application behavior: Windows, OS X and both