Adds a high and low price data callout

src/highTime.js

@@ -0,0 +1,18 @@
+import Datum from "./datum";
+
+
+function updateHighTime() {
+    const highTime= document.getElementById("high-time");
+
+    const currentTime = document.getElementById("time").selectedOptions[0].innerText;
+    if (currentTime.toLowerCase() !== highTime.innerText) {
+        highTime.innerText = currentTime.toLowerCase();
+    }
+}
+
+function updateHighVal(datum) {
+    const highVal = document.getElementById("high-val");
+    highVal.innerHTML = datum.getPrice().toLocaleString();
+}
+
+export {updateHighTime, updateHighVal};