[рони]

Diiim,

$(function() {
  $("#slid-er-1").on("input", function(event) {

    var price = 47770 - this.value * 1500;
    $(".okok").html(price <= 0 ? "Вы преодолели отметку" : "");
    if(price < 0) {
     price = 230 + this.value * 1500;
    }

    price = String(price).replace(/(\d)(?=(\d{3})+(?!\d))/g, "$1 ")
    $("#amount_1_1").text(price + " ₽")
    $(".num-bers").val(this.value);

  });
});