Function for the slider added

js/slider.js

@@ -0,0 +1,14 @@
+function initializeSlider() {
+    const slider = document.getElementById("countSlider");
+    const display = document.getElementById("sliderValueDisplay");
+
+    display.innerText = slider.value;
+    slider.addEventListener("input", function () {
+        display.innerText = this.value;
+    });
+}
+
+function getSliderValue() {
+    const slider = document.getElementById("countSlider");
+    return parseInt(slider.value);
+}