<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>EventSource: Last-Event-ID</title> <script src="/resources/testharness.js"></script> <script src="/resources/testharnessreport.js"></script> </head> <body> <div id="log"></div> <script> var test = async_test() test.step(function() { var source = new EventSource("resources/last-event-id.py"), seenhello = false source.onmessage = function(e) { test.step(function() { if(e.data == "hello" && !seenhello) { seenhello = true assert_equals(e.lastEventId, "…") } else if(seenhello) { assert_equals("…", e.data) assert_equals("…", e.lastEventId) source.close() test.done() } else assert_unreached() }) } }) </script> </body> </html>