Object destructuring
You can also destructure objects:
1 2 3 4 5 6 | let o = { a: "foo", b: 12, c: "bar"}let {a, b} = o; |
This creates new variables a and b from o.a and o.b. Notice that you can skip c if you don’t need it.
Like array destructuring, you can have assignment without declaration:
1 | ({a, b} = {a: "baz", b: 101}); |
Notice that we had to surround this statement with parentheses. JavaScript normally parses a { as the start of block.
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