ktyr report

1

const tmp = {name:"abc"};
console.log(tmp.address?.length);

undefined

2

const tmp = {name:"abc"};
console.log(tmp.address?.length+tmp.city?.length);

NaN

3

const tmp = {name:"abc"};
console.log(tmp.address?.length+tmp.city?.length > 4);

false

4

const tmp = {name:"abc"};
console.log(tmp.address?.length+tmp.city?.length == 0);

false

5

const tmp = {name:""};
console.log(tmp.name?.length+tmp.city?.length <= 1);

false

6

const tmp = {name:""};
console.log(tmp.name?.length <= 1);

true