diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d249aaf..1d8b8bf 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -61,6 +61,7 @@ jobs:
         run: |
           cd datamancer
           nimble -y test
+          nimble -y testJs
 
       - name: Build docs
         if: >
diff --git a/datamancer.nimble b/datamancer.nimble
index e40fb81..c16fc70 100644
--- a/datamancer.nimble
+++ b/datamancer.nimble
@@ -21,6 +21,9 @@ task test, "Run standard tests":
   exec "nim c -r tests/testsFormula.nim"
   exec "nim c -r tests/testParse.nim"
 
+task testJs, "Run test for JS":
+  exec "nim js -r tests/testdf_js_simple.nim"
+
 import os, strutils, strformat
 const
   pkgName = "datamancer"