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- This WPT test may be referenced by the following Test IDs:
- /html/scripting/the-script-element/module-script-disabled-scripting.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<title>Module scripts with scripting disabled</title>
<meta name="author" title="Mozilla" href="mailto:yhuang@mozilla.com">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
// Test that when scripting is disabled, a module script with a syntax error
// doesn't cause errors to be reported, per:
// Step 1: If scripting is disabled, set source to empty string
async_test((t) => {
window.addEventListener('load', t.step_func(() => {
const iframe = document.createElement('iframe');
// sandbox attribute without "allow-scripts" disables scripting in the frame
iframe.sandbox.value = '';
let errorOccurred = false;
iframe.onerror = () => {
errorOccurred = true;
};
iframe.onload = t.step_func_done(() => {
// The module should load without reporting errors even though it has a syntax error
// because scripting is disabled in this frame
assert_false(errorOccurred, 'No error should be reported when loading module with syntax error when scripting is disabled');
});
// Create an HTML document with a module script that has a syntax error
const html = '<!DOCTYPE html>' +
'<html>' +
'<head>' +
' <script type="module">' +
' // This would normally be a syntax error, but when scripting is disabled,' +
' // the source is replaced with an empty string, so no error occurs' +
' this is invalid javascript syntax )(' +
' <\/script>' +
'<\/head>' +
'<body>' +
' Frame loaded' +
'<\/body>' +
'<\/html>';
const blob = new Blob([html], { type: 'text/html' });
const url = URL.createObjectURL(blob);
iframe.src = url;
document.body.appendChild(iframe);
}));
}, 'Module script with syntax error should not report error when scripting is disabled');
</script>