[Documentation] Tooltips formatter parameters for 2 handles is not intuitive

Hi, noUiSlider rocks!

The problem I had was that I tried to set up a custom formatter with a function(v){...} for two handles and I tried all kinds of variations, like:

tooltips: [{
  to: function(v){ return ~~v * vm.display_multiplier; },
  from: function(v){ return ~~v * vm.display_multiplier; }
}]

or

tooltips: [
  function(v){ return ~~v * vm.display_multiplier;}, 
  function(v){ return ~~v * vm.display_multiplier;}
]

but none worked of course and I had to check the source code to figure the solution that worked:

tooltips: [
  {
    to: function(v){ return ~~v * vm.display_multiplier; },
  },{
    to: function(v){ return ~~v * vm.display_multiplier; }
  }
],

Which I found very unintuitive. An example in the documentation could have saved me some time to figure this out.

What do you think?

[leongersen]

@d-miles Thanks for following up on this! The documented option was definitely the intent, but this wasn’t properly implemented. I’ve fixed this in noUiSlider 15.1.1.

@zsitro My apologies for not actually checking that this feature worked correctly before updating the documentation!

Thanks for contributing!

[github-actions[bot]]

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