Fix warnings in Javascript API

Idea created by jon.morris on Oct 7, 2015
    • NSWRFS
    • fiona.renton
    • jwarzi
    • jon.morris
    • cadrin
    When I load my site, I get some warnings in the developer console. Could you fix them in the next version please?

    Synchronous XMLHttpRequest on the main thread is deprecated because of its detrimental effects to the end user's experience. For more help, check []

    The XMLHttpRequest progress event property 'position' is deprecated. Please use 'loaded' instead. []