diff --git a/.travis.yml b/.travis.yml
index e6eebaa..2378349 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,8 +8,10 @@ scala:
   - 2.13.3
 
 env:
-  - ADOPTOPENJDK=8
-  - ADOPTOPENJDK=11
+  - SCALAJS_BUILD=     ADOPTOPENJDK=8
+  - SCALAJS_BUILD=     ADOPTOPENJDK=11
+  - SCALAJS_BUILD=true ADOPTOPENJDK=8
+  - SCALAJS_BUILD=true ADOPTOPENJDK=11
 
 install:
   - git fetch --tags # get all tags for sbt-dynver
diff --git a/build.sbt b/build.sbt
index 2dddf96..8ad7552 100644
--- a/build.sbt
+++ b/build.sbt
@@ -1,11 +1,24 @@
 lazy val root = project.in(file("."))
-  .settings(ScalaModulePlugin.scalaModuleSettings)
   .settings(
-    name    := "scala-library-next",
-    scalacOptions ++= Seq("-deprecation", "-feature", "-Werror"),
+    publish / skip := true
+  )
+
+lazy val `scala-library-next` = crossProject(JVMPlatform, JSPlatform)
+  .crossType(CrossType.Pure)
+  .withoutSuffixFor(JVMPlatform)
+  .in(file("."))
+  .jvmSettings(
+    libraryDependencies += "junit" % "junit" % "4.13.1" % Test,
+  )
+  .jsConfigure(_.enablePlugins(ScalaJSJUnitPlugin))
+  .settings(
+    ScalaModulePlugin.scalaModuleSettings,
     scalaModuleMimaPreviousVersion := None,
+    scalacOptions ++= Seq("-deprecation", "-feature", "-Werror"),
     libraryDependencies ++= Seq(
-      "junit" % "junit" % "4.13.1" % Test,
-      "org.scalacheck" %% "scalacheck" % "1.14.3" % Test,
-    )
+      "org.scalacheck" %%% "scalacheck" % "1.14.3" % Test,
+    ),
+  )
+  .jsSettings(
+    Test / fork := false,
   )
diff --git a/build.sh b/build.sh
index bd12a25..5358d55 100755
--- a/build.sh
+++ b/build.sh
@@ -24,10 +24,10 @@ isReleaseJob() {
   fi
 }
 
-if [[ "$SCALAJS_VERSION" == "" ]]; then
-  projectPrefix=""
+if [[ "$SCALAJS_BUILD" == "true" ]]; then
+  projectPrefix="scala-library-nextJS/"
 else
-  projectPrefix="TODO/"
+  projectPrefix="scala-library-next/"
 fi
 
 verPat="[0-9]+\.[0-9]+\.[0-9]+(-[A-Za-z0-9-]+)?"
diff --git a/project/plugins.sbt b/project/plugins.sbt
index 81fac90..5ccad05 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -1 +1,3 @@
 addSbtPlugin("org.scala-lang.modules" % "sbt-scala-module" % "2.2.3")
+addSbtPlugin("org.scala-js" % "sbt-scalajs" % "1.3.0")
+addSbtPlugin("org.portable-scala" % "sbt-scalajs-crossproject" % "1.0.0")