suppressPackageStartupMessages({
    library("plotlyutils")
    library("plotly")
})

set.seed(42)

df <- lapply(1:26, function(x) rnorm(50)) %>% 
    as.data.frame()
colnames(df) <- letters
df[["seq"]] <- 1:50
df %>% dropdown_lineplot(x="seq", yvars = letters)