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| -rw-r--r-- | devtools/docs/user/page_inspector/how_to/debug_scrollable_overflow/index.rst | 24 |
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diff --git a/devtools/docs/user/page_inspector/how_to/debug_scrollable_overflow/index.rst b/devtools/docs/user/page_inspector/how_to/debug_scrollable_overflow/index.rst new file mode 100644 index 0000000000..795e8bc3ad --- /dev/null +++ b/devtools/docs/user/page_inspector/how_to/debug_scrollable_overflow/index.rst @@ -0,0 +1,24 @@ +========================= +Debug scrollable overflow +========================= + +A `scroll container <https://developer.mozilla.org/en-US/docs/Glossary/Scroll_container>`_ is created by applying `overflow: scroll <https://developer.mozilla.org/en-US/docs/Web/CSS/overflow>`_ to a container, or `overflow: auto <https://developer.mozilla.org/en-US/docs/Web/CSS/overflow>`_ when there is enough content to cause overflow. The Firefox DevTools make it easy to discover both scrollable elements and any elements that are causing overflow. + + +In the :ref:`HTML Pane <page_inspector_ui_tour_html_pane>`, ascrollable element has the ``scroll`` badge next to it, as shown in the following image: + +.. image:: scroll_hover.png + :alt: HTML Pane Scroll badge + :class: center + +You can toggle the ``scroll`` badge to highlight elements causing an overflow, expanding nodes as needed to make the nodes visible: + +.. image:: scroll_badge_pressed.png + :alt: Scroll badge toggled on 1 + :class: center + +You will also see an ``overflow`` badge next to the node causing the overflow. + +.. image:: overflow_badge.png + :alt: HTML Pane: Overflow badge + :class: center |