Project fails to load on iOS browsers

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  • 5 posts
  • Problem Description

    Projects that are previewed or exported with the built in browser plugin fail to load on any ios browser. (specifically iPads)

    Note that I was told about this problem by someone who plays my games and I decided to investigate it. The problem started only after I updated the project recently. The previous version of the game was built on the 27th of July, 2016. (This is not my main project) Based on the fact that I keep C2 updated with the latest beta version, I was probably using version r231 at that time.

    Attach a Capx

    Exported version here:

    Description of Capx

    Capx is a completely blank project with the browser plugin added

    Steps to Reproduce Bug

    • Create new project
    • Add browser plugin
    • Export or preview project

    Observed Result


    Javascript error!

    SyntaxError: Unexpected use of reserved word 'let' in strict mode

    Browser_plugin.js, line 54 (col 0)

    Assertion failure: A plugin is missing.

    Check the plugin IDs match in edittime and runtime scripts.

    Note this can also occur...

    (then black screen)


    Black screen, no errors.

    Expected Result

    Project loads

    Affected Browsers


    • Chrome: (NO)
    • FireFox: (NO)
    • Edge: (NO)
    • Internet Explorer: (NO)


    • Chrome: (NO)
    • FireFox: (NO)


    • Chrome: (YES)
    • FireFox: (YES)
    • Safari: (YES)

    Operating System and Service Pack

    PC: Windows 10 64 bit

    iPad: iPad 2, ios version 9.3.5 (my only ios device)

    Construct 2 Version ID

    Release 240 64bit

  • your experiencing the same issue as i did please see this bug report

  • Looks like lots of people are having the same problem, there's multiple bug reports. (this was posted first)

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  • Looks like lots of people are having the same problem, there's multiple bug reports. (this was posted first)

    yes, i seen it after i posted mine, weird bug though, however in R239 the bug is not present. everything works fine in there. so i downgraded personally, however R239, has i think a distortion audio effect, for mobile devices when are playing html5 hosted games via browsers... but that is another story.

    if you want yo get your project done just use R239 and ios black screen bug should be a history

  • Closing as duplicate report, should be fixed in next build now.

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