--- id: b7bd3cef-b42a-4f96-8e4c-b0c75c1e86e3 title: Object.assign --- # Description `Object.assign` copies all properties from one [object](20200826201605-objects) into another # Syntax ``` javascript let objectA = { a: 1, b: 2 }; Object.assign(objectA, { b: 3, c: 4 }); console.log(objectA); ```