requiredExtensions
animate
Description
The requiredExtensions attribute for SVG specifies a list of URL references which identify the required extensions, with the individual values separated by white space.
If all of the given extensions are supported by the user agent, the attribute evaluates to true. Otherwise, the current element and its children are skipped and will not be rendered.
Syntax
Value
<set-of-space-separated-tokens>
Default
(none)