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https://github.com/servo/servo
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60 lines
2.2 KiB
HTML
60 lines
2.2 KiB
HTML
<!DOCTYPE html>
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<meta charset="utf-8">
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<title>Moving script elements between documents during evaluation</title>
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<link rel="help" href="https://html.spec.whatwg.org/multipage/#execute-the-script-block">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<body>
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<script id="outerScript">
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"use strict";
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async_test(t => {
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const outerScript = document.querySelector('#outerScript');
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assert_equals(document.currentScript, outerScript);
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const innerScript = document.createElement('script');
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window.innerScript = innerScript;
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window.innerScriptEvaluated = false;
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window.anotherDocument = null;
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innerScript.innerText = `
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window.innerScriptEvaluated = true;
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const innerScript = window.innerScript;
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assert_equals(document.currentScript, innerScript,
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'[1] Before move: currentScript of source Document');
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assert_equals(innerScript.ownerDocument, document,
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'[1] Before move: ownerDocument');
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window.anotherDocument = document.implementation.createHTMLDocument();
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window.anotherDocument.body.appendChild(innerScript);
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assert_equals(innerScript.ownerDocument, anotherDocument,
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'[2] Just after move: ownerDocument');
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assert_equals(document.currentScript, innerScript,
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'[2] Just after move: currentScript of source Document');
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assert_equals(anotherDocument.currentScript, null,
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'[2] Just after move: currentScript of destination Document');
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`;
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document.body.appendChild(innerScript);
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assert_true(window.innerScriptEvaluated,
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'Inner script should be evaluated synchronously');
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assert_equals(document.currentScript, outerScript,
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'[3] After inner script: currentScript of source Document');
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assert_equals(window.anotherDocument.currentScript, null,
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'[3] After inner script: currentScript of destination Document');
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t.step_timeout(() => {
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assert_equals(document.currentScript, null,
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'[4] After outer script: currentScript of source Document');
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assert_equals(anotherDocument.currentScript, null,
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'[4] After outer script: currentScript of destination Document');
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t.done();
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}, 0);
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}, 'Script moved between documents during evaluation');
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</script>
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