What is three dots in VUE JS?

The three dots in JavaScript are the spread / rest operator . The spread syntax allows an expression to be expanded in places where multiple arguments are expected. The rest parameter syntax is used for functions with a variable number of arguments. The spread / rest operator for arrays was introduced in ES6 .

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What are spread operators?

The spread operator is a new addition to the set of operators in JavaScript ES6 . It takes in an iterable (e.g an array) and expands it into individual elements. The spread operator is commonly used to make shallow copies of JS objects. Using this operator makes the code concise and enhances its readability.

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