JavaScript ES6 - Spread Operator

• ES6 provides a new operator called spread operator that consists of three dots (...).
• The spread operator allows you to spread out elements of an iterable object such as an array,a map, or a set.

Example

Result

• Above example, the three dots (...) located in front of the oddValue and evenValue array is the spread operator.
• The spread operator unpacks the elements of the oddValue and evenValue array.

Summary

• The spread operator is denoted by three dots (…).
• The spread operator unpacks elements of iterable objects such as arrays, sets, and maps into a list.
• The spread operator can be used to clone an iterable object or merge iterable objects into one.