I know that setting the style properties causes browser reflows . Is it possible that browser reflow also happens while accessing layout properties .If yes can you please give a specific example why that would cause a browser reflow ?
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I know that setting the style properties causes browser reflows . Is it possible that browser reflow also happens while accessing layout properties .If yes can you please give a specific example why that would cause a browser reflow ?
Of course it depends on implementation, but generally a browser triggers a reflow upon reading an element’s property if it thinks that layout data needs to be re-queried (i.e. some layout-related properties on this element or any parent element changed).
You can find a list of affected properties for WebKit here: How (not) to trigger a layout in WebKit.
A more general article with examples: Rendering: repaint, reflow/relayout, restyle