Create RomanToDecimal.js

Author: itsvinayak

Conversions/RomanToDecimal.js

@@ -1,38 +1,38 @@
 var values = {
-  'I':1,
-  'V':5,
-  'X':10,
-  'L':50,
-  'C':100,
-  'D':500,
-  'M':1000
-};
+  I: 1,
+  V: 5,
+  X: 10,
+  L: 50,
+  C: 100,
+  D: 500,
+  M: 1000
+}
 
-function romanToDecimal(romanNumber){
-  let prev = ' ';
+function romanToDecimal (romanNumber) {
+  let prev = ' '
 
-  let sum = 0;
+  let sum = 0
 
-  let newPrev = 0;
-  for(let i = romanNumber.length - 1; i >= 0; i--){
-    let c = romanNumber.charAt(i);
+  let newPrev = 0
+  for (let i = romanNumber.length - 1; i >= 0; i--) {
+    const c = romanNumber.charAt(i)
 
-    if(prev !== ' '){
-      newPrev = values[prev] > newPrev ? values[prev] : newPrev;
+    if (prev !== ' ') {
+      newPrev = values[prev] > newPrev ? values[prev] : newPrev
     }
 
-    let currentNum = values[c];
-    if(currentNum >= newPrev){
-      sum += currentNum;
+    const currentNum = values[c]
+    if (currentNum >= newPrev) {
+      sum += currentNum
     } else {
-      sum -= currentNum;
+      sum -= currentNum
     }
-    
-    prev = c;
+
+    prev = c
   }
-  return sum;
+  return sum
 }
 
-console.log(romanToDecimal('XXIIVV'));
-console.log(romanToDecimal('MDCCCIV'));
-console.log(romanToDecimal('XXIVI'));
+console.log(romanToDecimal('XXIIVV'))
+console.log(romanToDecimal('MDCCCIV'))
+console.log(romanToDecimal('XXIVI'))