Create Indexedcapitalization.js

Author: SullyMA

Diff for: Indexedcapitalization.js

@@ -0,0 +1,25 @@
+// Given a string and an array of integers representing indices, capitalize all letters at the given indices.
+
+// For example:
+
+// capitalize("abcdef",[1,2,5]) = "aBCdeF"
+// capitalize("abcdef",[1,2,5,100]) = "aBCdeF". There is no index 100.
+// The input will be a lowercase string with no spaces and an array of digits.
+
+function capitalize(s,arr){
+  let arrStr = s.split('')
+  for(let i = 0; i < arr.length; i++){
+    //if the arr value is less than arr string length
+    if(arr[i] < arrStr.length){
+      //uppercase the value in the arrStr
+      arrStr[arr[i]] = arrStr[arr[i]].toUpperCase() 
+    }
+  }
+  //join the arrStr 
+  return arrStr.join('')
+};
+
+
+function capitalize(s,arr){
+  return [...s].map((x,i)=>arr.includes(i)?x.toUpperCase():x).join('')
+};