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I need your help. I am running a site (D7.43, jQuery 1.10) with the Jollyany theme under the hood. The theme comes packaged with the revolution Slider from ThemePunch. I am trying to include a slider into a page, but am then confronted with the slider being empty and the loading spinner spinning away merrily forever. Navigation bullets and left right arrows are visible but do nothing.

You can see the page here: wixschool.net/test-class.

This page shows the revolution slider in place. The slider shows the last of three images, constant spinner, no transition to next slide. Navigation also doesn't go anywhere, slider completely stuck. Slider scripts are called in the head, html for the slider is put in place and seems OK.

(In fact the sldier does not even show any picture, but I've removed the 'visiblity hidden" from the CSS of the background image so its easier to see the slider.. and it then shows the last of three images, not the first..)

There were suggestions out there that it may be (double call to) script issue, so I have tried switching off all other scripts that are called in the head and below the body to see if that would make a difference, but besides losing functionaltiy that those scripst supply the slider stays stuck..

Any suggestions as to why the slider doesn't work is extremely welcome!

Edit: I just noticed that on the test-class page the TB MegaMenu dropdown in the menu don't work (any other page they do..). Tried removing the entire menu as well as the TB Menu scripts but still no working slider..

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    I see two errors
    – No Sssweat
    Mar 11, 2016 at 10:14
  • Thanks! yes I saw those too, don't know how to correct those scripts though.. I did try just removing them altogether (no idea what countdown or hammer .js do), made no difference to the site but slider still not working..
    – xax
    Mar 11, 2016 at 10:17
  • If a site throws JavaScript errors all scripts block on that page. So the errors prevent the slider (and the menu) from working. You can try to install the theme on a vanilla site (no other modules), have a look at simplytest.me if it doesn't work either, check the theme (or module?) issue queue for a solution or report the bug there. If it does work on a vanilla website it might be an incompatibility with another module and then there is little we can do.
    – Neograph734
    Mar 11, 2016 at 10:24
  • In hammer.js It appears to me that line 168 needs to be addEventListeners with an s and line 180 needs to be removeEventListeners also with an s at the end.
    – No Sssweat
    Mar 11, 2016 at 10:35
  • I've tried adding the two s's, now still get an error about line 168, saying that target.addEventListeners is not defined? The hammer.js script is called by the menu (the mobile menu) and the revolution slider both (the hammer.js is included in the jQuery.themepunch.plugins.min.js)
    – xax
    Mar 11, 2016 at 10:48

1 Answer 1

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Reason for Revolution Slider failure found: the Rev Slider uses the hammer.js jQuery plugin. Elsewhere on my site I have installed the jQuery mMenu, which also has hammer.js among its scripts. I disabled hammer.js in mmenu, and the Rev Slider comes alive immediately. The clash centres around the event listeners functions in the hammer script.

Haven't solved all though, mmenu still works fine but I do get a 'where is hammer.js' error thrown at me now of course. Will report when and how I solve that..

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