--- date: 20201103 id: 78ef5b06-a541-4e33-9c51-af92cd91719c title: Rest Operator (…) in Object Destructuring --- # Introduction Introduced in [ES2018](20201030095105-es2018) to help with [destructuring](20200922160850-destructuring). # Syntax ## Basic ``` javascript const obj = { foo: 1, bar: 2, baz: 3 }; const { foo, ...rest } = obj; console.log(foo); // 1 console.log(rest); // { bar: 2, baz: 3 } ``` ## Named parameters The rest operator can also be used with [named parameters](20200922162127-named_parameters): ``` javascript function func({ param1, param2, ...rest }) { // rest operator console.log("All parameters: ", { param1, param2, ...rest }); // spread operator return param1 + param2; } ```