JavaScript: Object.isSealed
Object.isSealed(obj)
-
Return
true
if object obj is sealed [see Object.seal], elsefalse
.const jj = {}; console.log(Object.isSealed(jj) === false); Object.seal(jj); console.log(Object.isSealed(jj));
Object.isSealed(obj)
true
if object obj is sealed
[see Object.seal], else false
.
const jj = {}; console.log(Object.isSealed(jj) === false); Object.seal(jj); console.log(Object.isSealed(jj));