diff --git "a/leetcode3/\355\231\251\354\235\200\354\247\200/3982. Sum of Integers with Maximum Digit Range.js" "b/leetcode3/\355\231\251\354\235\200\354\247\200/3982. Sum of Integers with Maximum Digit Range.js"
new file mode 100644
index 00000000..2005d2e7
--- /dev/null
+++ "b/leetcode3/\355\231\251\354\235\200\354\247\200/3982. Sum of Integers with Maximum Digit Range.js"	
@@ -0,0 +1,27 @@
+/**
+ * @param {number[]} nums
+ * @return {number}
+ */
+var maxDigitRange = function (nums) {
+  let maxDigitRange = 0;
+  let maxSet = [];
+
+  for (const num of nums) {
+    const str = String(num);
+    let largest = "0";
+    let smallest = "9";
+    for (const digit of str) {
+      largest = Math.max(digit, largest);
+      smallest = Math.min(digit, smallest);
+    }
+    const digitRange = largest - smallest;
+    if (digitRange > maxDigitRange) {
+      maxDigitRange = digitRange;
+      maxSet = [num];
+    } else if (digitRange === maxDigitRange) {
+      maxSet.push(num);
+    }
+  }
+
+  return maxSet.reduce((cur, acc) => cur + acc, 0);
+};