diff --git a/email.js b/email.js
new file mode 100755
index 0000000..ef77a14
--- /dev/null
+++ b/email.js
@@ -0,0 +1,13 @@
+#!/usr/bin/env js
+var email = " hogehoge@example.com  \n";
+print(email);
+email = email.trim();
+print(email);
+var atpos = email.indexOf('@');
+  var localpart = "", domainpart ="";
+  if (atpos >= 0 && atpos == email.lastIndexOf('@')) {
+    localpart  = email.substring(0, atpos);
+    domainpart =  email.substr(atpos+1);
+  }
+print('local=$;{localpart},dom=$;{domainpart}');
+
diff --git a/hello.js b/hello.js
new file mode 100755
index 0000000..ee447f7
--- /dev/null
+++ b/hello.js
@@ -0,0 +1,5 @@
+#!/usr/bin/env js
+s = "Hello, world!";
+for (var i=0; i<s.length; i++) {
+  print(s.substr(0, i+1));
+}