Created
February 24, 2020 23:20
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| const obj = { | |
| foo: { | |
| bar: { | |
| baz: 42, | |
| }, | |
| }, | |
| }; | |
| const baz = obj?.foo?.bar?.baz; // 42 | |
| const safe = obj?.qux?.baz; // undefined | |
| const fooValue = myForm.querySelector('input[name=foo]')?.value | |
| // value or undefined |
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