1 files changed, 13 insertions, 0 deletions
diff --git a/lambda-calcul/haskell/public/help.js b/lambda-calcul/haskell/public/help.js
new file mode 100644
index 0000000..52d604e
--- /dev/null
+++ b/lambda-calcul/haskell/public/help.js
@@ -0,0 +1,13 @@
+function toggleHelp(e) {
+  const help = document.getElementById("help");
+  if(help.style.display === "block") {
+    help.style.display = "none";
+  } else {
+    help.style.display = "block";
+  }
+}
+
+document.addEventListener('DOMContentLoaded', () => {
+  document.getElementById("helptip").addEventListener("click", toggleHelp);
+  document.getElementById("help").addEventListener("click", toggleHelp);
+});