Welcome Alert

windows and alerts 1996 still works

A dialog box that greets the visitor the moment the page loads.

In 2026: Works. It was considered friendly in 1996 and it is considered hostile now.

Where it came from: Netscape JavaScript 1.0, 1996. It was considered friendly at the time. MDN ↗

<script language="JavaScript">
alert("Welcome to my home page!\n\nPlease sign my guestbook before you leave!");
</script>

<!-- Or only on the visitor's first arrival, using a cookie -->
<script language="JavaScript">
try {
  if (document.cookie.indexOf("seenwelcome=1") === -1) {
    alert("Welcome to my home page!");
    document.cookie = "seenwelcome=1; path=/; max-age=31536000";
  }
} catch (e) { /* a sandboxed frame has no cookie access */ }
</script>

sandboxed demo · breaks nothing but itselfrestart

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