Create 3000.js

Author: Chiki1601

2501-3000/3000.js

@@ -0,0 +1,15 @@
+var areaOfMaxDiagonal = function(dimensions) {
+    let maxArea = 0, maxDiag = 0;
+
+    for (let i = 0; i < dimensions.length; i++) {
+        let l = dimensions[i][0];
+        let w = dimensions[i][1];
+        let currDiag = l * l + w * w;
+
+        if (currDiag > maxDiag || (currDiag === maxDiag && l * w > maxArea)) {
+            maxDiag = currDiag;
+            maxArea = l * w;
+        }
+    }
+    return maxArea;
+};