Unnamed
public text v1 · immutable<script>
var o = {};
var x = o;
var y = o;
alert(o);
alert(x);
alert(y);
delete x;
alert(o);
alert(x);
alert(y);
</script><script>
var o = {};
var x = o;
var y = o;
alert(o);
alert(x);
alert(y);
delete x;
alert(o);
alert(x);
alert(y);
</script>