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browser_support

Browser support

The Twine 1.4+ runtime engine (that is, the Javascript engine used to play built Twine games) has the following official browser support:

Browser Basic Usage Embedded Images HTML5-based history CSS Transitions
IE 7 Will not run
IE 8 < 32KB each
IE 9
IE 10+
Current versions of desktop Chrome, Firefox and Opera
Safari 5.1+
iOS Safari 6+ Only if private browsing is off

Other browsers are not officially supported. Their adherence to these features is unknown.

HTML5 history fallback

Since IE 8 and IE 9 do not support HTML5 History, they will fallback to the old hashstring-based history method used in Twine 1.3.5. Every time the player changes passages, a new hashstring containing an encoding of the current game state is added to the page's URL. This creates a new entry in the browser's history, and allows the back button to return to previous passages. However, it is bug-prone: whenever the back button is used, the entire page is reloaded and the game state is re-computed from the hash. This may cause certain custom macros (such as audio macros) to fail.

browser_support.txt · Last modified: 2017/10/10 00:39 (external edit)