React spread operator props

The main difference between rest and spread is that the rest operator puts the rest of some specific user-supplied values into a JavaScript array. But the spread syntax expands iterables into individual elements .

Passing React Props Using the Spread Operator in JSX According to the React docs: You can spread the props attributes to pass it in JSX using the Spread operator which passes the whole props object . So when your intent is to pass the whole props object, that’s fine to use!11 Haz 2019

Spread syntax can be used when all elements from an object or array need to be included in a list of some kind . In the above example, the defined function takes x , y , and z as arguments and returns the sum of these values.4 gün önce

Object spread operator can be used to clone an object or merge objects into one . The cloning is always shallow. When merging objects, the spread operator defines new properties while the Object. assign() assigns them.

Spread attributes is a JSX feature, it’s a syntax for passing all of an object’s properties as JSX attributes.

Spread attributes can be useful but they also make it easy to pass unnecessary props to components that don’t care about them or to pass invalid HTML attributes to the DOM . We recommend using this syntax sparingly.