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<title>HTML5 Sandbox: Nested iframes cannot have less sandbox restrictions than their most restrictive ancestor iframe.</title>
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<pre>Description: Nested iframes cannot have less sandbox restrictions than their most restrictive ancestor iframe.</pre>
<div>This test is to verify script is blocked inside nested iframes if the top-most sandbox iframe has no 'allow-scripts' token.</div>
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<td>Test Result</td>
<td>Test Assertion</td>
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<td id='test_0_result'>Manual</td>
<td id='test_0_assertion'>Test passes if there is no red on the page.</td>
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<div style="font-weight:bold">Top-most iframe with sandbox=""</div>
<iframe id="iframe1" name="iframe1" src="support/iframe_sandbox_020.htm" sandbox="" style="height: 330px; width: 400px;"></iframe>
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DisableTestForNonSupportingBrowsers();
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