Specification
in
[1]
Object.hasOwn
Std
[1]
<- Object.prototype.hasOwnProperty
[1]
Syntax
<script> var obj = { key: "value" }; Log( "key" in obj ); Log( obj.hasOwnProperty("key") ); Log( Object.hasOwn(obj, "key") // for Std ); </script>
Example