# Dash.jl slider doesn't display labels

**URL:** <https://discourse.julialang.org/t/dash-jl-slider-doesnt-display-labels/66253>\
**Category:** Visualization\
**Created:** [August 12, 2021, 8:19am UTC](https://discourse.julialang.org/t/dash-jl-slider-doesnt-display-labels/66253 "2021-08-12T08:19:31Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![Iulian.Cioarca](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/iulian.cioarca/32/30166_2.png) [@Iulian.Cioarca](https://discourse.julialang.org/u/Iulian.Cioarca)\
**Post date:** [August 12, 2021, 8:19am UTC](https://discourse.julialang.org/t/dash-jl-slider-doesnt-display-labels/66253/1 "2021-08-12T08:19:31Z")

</div>

I was messing around with `dcc_slider` and observed that labels are missing if the `marks` argument is constructed using an array of Floats, with zero as decimal (ex: `0.0:10.0`). The labels are displayed fine if I use either an array of Ints or an array of Floats with decimals other than zero (ex: `0.5:0.5:10.5`).  
Any ideas why this is happening? Should I, and where should I file an issue?

code:

```julia
using Dash, DashHtmlComponents, DashCoreComponents

# years = 0:10 # labels ok
years = 0.0:10.0 # labels missing
# years = 0.5:0.5:10.5 # labels ok

app = dash()

app.layout = html_div() do
    dcc_slider(
        id = "slider1",
        min = minimum(years),
        max = maximum(years),
        marks = Dict([Symbol(v) => Symbol(v) for v in years]),
        value = minimum(years),
        step = nothing,
    )
end

run_server(app, "0.0.0.0", debug = true)

```

---

<div class="post-metadata">

**Author:** ![mzaffalon](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/mzaffalon/32/214168_2.png) [@mzaffalon](https://discourse.julialang.org/u/mzaffalon)\
**Post date:** [August 12, 2021, 11:16am UTC](https://discourse.julialang.org/t/dash-jl-slider-doesnt-display-labels/66253/2 "2021-08-12T11:16:24Z")

</div>

You should report it [here](https://github.com/JuliaPlots/PlotlyJS.jl/issues) with your MWE.