23 lines
359 B
JavaScript
23 lines
359 B
JavaScript
"use strict";
|
|
|
|
const obj = {
|
|
a: {
|
|
b: 0,
|
|
},
|
|
};
|
|
|
|
let test = delete obj?.a?.b;
|
|
expect(obj.a.b).toBeUndefined();
|
|
expect(test).toBe(true);
|
|
|
|
test = delete obj?.a.b;
|
|
expect(obj.a.b).toBeUndefined();
|
|
expect(test).toBe(true);
|
|
|
|
test = delete obj?.b?.b;
|
|
expect(obj.b).toBeUndefined();
|
|
expect(test).toBeUndefined();
|
|
|
|
delete obj?.a;
|
|
expect(obj.a).toBeUndefined();
|