<!doctype html> <html> <head> <title>XMLHttpRequest: timeout event</title> <script src="/resources/testharness.js"></script> <script src="/resources/testharnessreport.js"></script> <link rel="help" href="https://xhr.spec.whatwg.org/#handler-xhr-ontimeout" data-tested-assertations="../.." /> <link rel="help" href="https://xhr.spec.whatwg.org/#event-xhr-timeout" data-tested-assertations="../.." /> <link rel="help" href="https://xhr.spec.whatwg.org/#the-timeout-attribute" data-tested-assertations="following-sibling::ol/li[2]" /> <link rel="help" href="https://xhr.spec.whatwg.org/#timeout-error" data-tested-assertations=".." /> <link rel="help" href="https://xhr.spec.whatwg.org/#infrastructure-for-the-send()-method" data-tested-assertations="following-sibling::dl//code[contains(@title,'dom-XMLHttpRequest-timeout')]/.. following-sibling::dl//code[contains(@title,'dom-XMLHttpRequest-timeout')]/../following-sibling::dd" /> </head> <body> <div id="log"></div> <script> var test = async_test(); test.step(function() { var client = new XMLHttpRequest(); client.ontimeout = function() { test.step(function() { assert_equals(client.readyState, 4); test.done(); }); }; client.timeout = 5; client.open("GET", "resources/delay.py?ms=20000"); client.send(null); setTimeout(test.step_func(function () { assert_unreached("ontimeout not called."); }), 10); }); </script> </body> </html>