From 0126dc4d948a35dd6e4a530229e43925514bc9dd Mon Sep 17 00:00:00 2001
From: Brian Hulette <brian.hulette@ccri.com>
Date: Wed, 17 Jan 2018 15:11:51 -0500
Subject: [PATCH] Don't recompute total length

---
 js/src/table.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/js/src/table.ts b/js/src/table.ts
index fdc61e2f1b77a..42073fb9e0b22 100644
--- a/js/src/table.ts
+++ b/js/src/table.ts
@@ -115,7 +115,7 @@ export class Table implements DataFrame {
         }
     }
     count(): number {
-        return this.lengths.reduce((acc, val) => acc + val);
+        return this.length;
     }
     countBy(count_by: (Col|string)): CountByResult {
         if (!(count_by instanceof Col)) {