JavaScript: Object.isFrozen
Object.isFrozen(obj)
-
Return
true
if the object is frozen. [see Object.freeze]const jj = {}; console.log(Object.isFrozen(jj) === false); Object.freeze(jj); console.log(Object.isFrozen(jj));
Object.isFrozen(obj)
true
if the object is frozen.
[see Object.freeze]
const jj = {}; console.log(Object.isFrozen(jj) === false); Object.freeze(jj); console.log(Object.isFrozen(jj));