<!DOCTYPE html> <meta charset=utf-8> <title>Test classic script not parsed as module</title> <script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script> <script> var wasRun = false; var hadSyntaxError = false; SimpleTest.waitForExplicitFinish(); window.onerror = handleError; function handleError(message, url, line, column, error) { hadSyntaxError = error instanceof SyntaxError; } function testError() { ok(!wasRun, 'Check script was not run'); ok(hadSyntaxError, 'Check that a SyntaxError was thrown'); SimpleTest.finish(); } </script> <script src="module_testSyntax.js"></script> <body onload='testError()'></body>