Is Digit

Author: ndstephens

8_Is-Digit/index.js

@@ -0,0 +1,11 @@
+// Is Digit
+// Write a function that takes in a STRING and returns a boolean on whether or not it is a digit. A digit is defined as a number between 0-9
+
+const isDigit = str => {
+ if (str.length !== 1) return false
+ return '0123456789'.includes(str)
+}
+
+console.log(isDigit('16'))
+console.log(isDigit('6'))
+console.log(isDigit('d'))