Change the color of column headers in DT table

Hi all,

Is there a way to change the column header font to White?. below is the sample code to render the DTtable in shiny

 output$tab <- DT::renderDT(DT::datatable(tab1, rownames = FALSE, escape = FALSE, extensions = list("Scroller"), 
                                            class = "compact nowrap stripe hover",
                                            options = list(dom = 't', ordering = F))%>% 
                                            backgroundColor = '#222222', color = "white")%>%
                                            formatStyle(columns = colnames(tab1), fontSize = '85%'))

You could add some jquery to change the font after loading under the table options:

table <- DT::datatable(
         options = list(
                        initComplete = JS(
                            "function(settings, json) {",
                            "$(this.api().table().header()).css({'color': '#fff'});",

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