diff --git a/.jslintrc b/.jslintrc
new file mode 100644
index 0000000..4ee1252
--- /dev/null
+++ b/.jslintrc
@@ -0,0 +1,54 @@
+{
+  "predef": [
+    "document",
+    "navigator",
+    "console",
+    "window",
+    "django",
+    "gettext",
+    "windowname_to_id",
+    "jQuery",
+    "WebSocket",
+    "$",
+    "alert"
+  ],
+
+  "adsafe":     false,
+  "safe":       false,
+
+  "bitwise":    false,
+  "cap":        false,
+  "confusion":  true,
+  "continue":   true,
+  "css":        true,
+  "debug":      false,
+  "eqeq":       false,
+  "es5":        true,
+  "evil":       false,
+  "forin":      false,
+  "fragment":   true,
+  "newcap":     false,
+  "nomen":      true,
+  "on":         false,
+  "plusplus":   false,
+  "regexp":     true,
+  "sloppy":     false,
+  "sub":        false,
+  "undef":      false,
+  "unparam":    true,
+  "vars":       true,
+  "white":      false,
+  "validthis":  true,
+  "strict_mode":true,
+
+  "browser":    false,
+  "devel":      false,
+  "node":       false,
+  "rhino":      false,
+  "widget":     false,
+  "windows":    false,
+  "indent":     4,
+  "maxerr":     50,
+  "maxlen":     120,
+  "passfail":   false
+}
diff --git a/.travis.yml b/.travis.yml
index fc6cf12..df471b5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -24,6 +24,8 @@ before_install:
   - pip install --no-cache-dir -U -r requirements-test.txt
   - ./runflake8
   - ./runisort
+  - npm install --save jslint -g
+  - jslint --config ./.jslintrc ./django_netjsongraph/static/netjsongraph/js/*.js
 
 install:
   - pip install $DJANGO