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Author: yulrang

yulrang/02_Stack/04_Calculate_string.js

@@ -0,0 +1,21 @@
+function solution(my_string) {
+  var answer = 0;
+  let newArr = [];
+  my_string.split(' ').forEach((el, idx, arr) => {
+      if(idx === 0) {
+          newArr.push(Number(el));
+      }
+      if(el === '+' || el === '-') {
+          newArr.push(Number(arr[idx + 1]))
+          if (el === '+'){
+              answer = newArr[0] + newArr[1];
+          } else {
+              answer = newArr[0] - newArr[1];
+          }
+          newArr = [];
+          newArr.push(answer);
+      }
+  })
+  answer = newArr[0];
+  return answer;
+}