Create 2011-final-value-of-variable-after-performing-operations.js

Author: everthis

2011-final-value-of-variable-after-performing-operations.js

@@ -0,0 +1,13 @@
+/**
+ * @param {string[]} operations
+ * @return {number}
+ */
+const finalValueAfterOperations = function(operations) {
+  let res = 0
+  for(let op of operations) {
+    if(op.indexOf('++') !== -1) res++
+    else res--
+  }
+  
+  return res
+};