root_from_handlevalue

script::dom::bindings::conversions

Function root_from_handlevalue 

Source 
pub(crate) fn root_from_handlevalue<T>(
    v: Handle<'_, Value>,
    cx: JSContext,
) -> Result<Root<Dom<T>>, ()>
where
    T: DomObject + IDLInterface,
Expand description

Get a DomRoot<T> for a DOM object accessible from a HandleValue. Caller is responsible for throwing a JS exception if needed in case of error.

ยงSafety

cx must point to a valid, non-null JS context.