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I'm building a presentation with Impress.js I want to scroll sliders with mousewheel and not with keyboard arrows. I've tried anything possible, but I don't find a solution. With addEventListener('mousewheel') not work. Any suggest? This is found on github but not work:

document.addEventListener("mousewheel", function( event ) {        
  next = steps.indexOf( active ) - event.wheelDelta / Math.abs(event.wheelDelta);
  next = next >= 0 ? steps[ next ] : steps[ steps.length-1 ];
  select(next);
}, false);
Web Developer
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  • "I've tried anything possible" Could you add some examples of what you've tried? – RTYX Nov 26 '19 at 16:47
  • document.addEventListener("mousewheel", function( event ) { next = steps.indexOf( active ) - event.wheelDelta / Math.abs(event.wheelDelta); next = next >= 0 ? steps[ next ] : steps[ steps.length-1 ]; select(next); }, false); //this is found on github but not work – Web Developer Nov 26 '19 at 16:50
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    You can edit your question and add the code in a `code block` – RTYX Nov 26 '19 at 17:00

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