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26 lines
1 KiB
HTML
26 lines
1 KiB
HTML
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<!DOCTYPE html>
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<script src="../include.js"></script>
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<script>
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test(() => {
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const unforgeableProperties = [
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"window",
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"document",
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"location",
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"top",
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];
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const windowPrototype = Object.getPrototypeOf(window);
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for (const property of unforgeableProperties) {
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println(`${property} exists on window itself: ${Object.hasOwn(window, property)}`);
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println(`${property} does not exist on LocationPrototype: ${!Object.hasOwn(windowPrototype, property)}`);
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const propertyDescriptor = Object.getOwnPropertyDescriptor(window, property);
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println(`${property} descriptor is not undefined: ${propertyDescriptor !== undefined}`);
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println(`${property} enumerable: ${propertyDescriptor.enumerable}`);
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println(`${property} configurable: ${propertyDescriptor.configurable}`);
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println(`${property} writable: ${propertyDescriptor.writable}`);
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}
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});
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</script>
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