count the numbers have same first and last digits

Author: Mohan

first_last_same_digits.js

@@ -0,0 +1,18 @@
+// Given a range of numbers, count the numbers which have same first and last digits
+// Ex: Between 7 and 20 such numbersare 8,9 and 11
+let firstDigit = 0
+let lastDigit = 0
+
+for (let i = 8; i < 20; i++) {
+  if (i < 10) {
+    firstDigit = i
+    lastDigit = i
+  } else {
+    firstDigit = Math.floor(i / 10)
+    lastDigit = i % 10
+  }
+
+  if (firstDigit === lastDigit) {
+    console.log(i)
+  }
+}