46 lines
1.8 KiB
HTML
46 lines
1.8 KiB
HTML
<script>
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function toggleDisplay(element, button)
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{
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if (element.style.display == "none")
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element.style.display = "";
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else
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element.style.display = "none";
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}
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function toggleVisibility(element, button)
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{
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if (element.style.visibility == "hidden")
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element.style.visibility = "";
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else
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element.style.visibility = "hidden";
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}
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</script>
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<p>
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Play with the display and visibility toggles. Make sure that turning an inner element visible does not show it if it has a hidden or
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non-displaying ancestor, and that making an ancestor visible and displaying shows only its descendants the are visible and displaying.
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</p>
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<table>
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<tr>
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<td>
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<input type="checkbox" checked="true" onclick="toggleDisplay(document.getElementById('middle'))"> Outer frame display
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</td>
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<td>
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<input type="checkbox" checked="true" onclick="toggleDisplay(document.getElementById('middle').contentDocument.getElementById('inner'))"> Inner frame display
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</td>
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</tr>
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<tr>
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<td>
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<input type="checkbox" checked="true" onclick="toggleVisibility(document.getElementById('middle'))"> Outer frame visibility
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</td>
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<td>
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<input type="checkbox" checked="true" onclick="toggleVisibility(document.getElementById('middle').contentDocument.getElementById('inner'))"> Inner frame visibility
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</td>
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<td>
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<input type="checkbox" checked="true" onclick="toggleVisibility(document.getElementById('middle').contentDocument.getElementById('inner').contentDocument.getElementById('plugin'))"> Inner plug-in visibility
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</td>
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</tr>
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</table>
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<iframe id="middle" style="height: 400px; width: 400px;" src="resources/nested-plug-ins-outer-frame.html"></iframe>
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