devela::_dep::js_sys::Reflect

Function is_extensible

Source 
pub fn is_extensible(target: &Object) -> Result<bool, JsValue> ⓘ
Available on crate feature dep_js_sys only.
Expand description

The static Reflect.isExtensible() method determines if an object is extensible (whether it can have new properties added to it). It is similar to Object.isExtensible(), but with some differences.

MDN documentation