HTML Viewer Test Page

1. Inline Styles

If this page looks styled and clean, inline CSS works.

2. Interactive JavaScript

Counter: 0

Click to increment

If clicking increments the counter, allow-scripts works.

3. Sandbox Verification

The next button tries to access window.parent:

Test parent access

Click to test.

4. External Network Request

Tries to fetch from a remote URL (should fail due to no allow-same-origin):

Test fetch

Click to test.

5. Table Rendering

Feature	Status
Inline CSS	Working
Inline JS	Working
Sandbox isolation	Active

6. Auto-run script on load

Script did not run.