<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>HTML Test: The style events</title> <link rel="author" title="Intel" href="http://www.intel.com/"> <link rel="help" href="https://html.spec.whatwg.org/multipage/#the-style-element"> <script src="/resources/testharness.js"></script> <script src="/resources/testharnessreport.js"></script> <script> var tLoad = async_test("If the style is loaded successfully, the 'load' event must be fired"); var tError = async_test("If the style is loaded unsuccessfully, the 'error' event must be fired"); function onstyleload(e) { tLoad.done(); } function onstyleerror(e) { tError.done(); } </script> <style onload="onstyleload()"> #test { height: 100px; width: 100px; } </style> <style onerror="onstyleerror()"> @import url(nonexistent.css); </style> </head> <body> <div id="log"></div> <div id="test"></div> </body> </html>