Checking for Items with Array.includes()

Snippet

Checking for Items with Array.includes()

The includes method determines whether an array includes a certain value among its entries, returning true or false. This is very useful for checking user roles or selected IDs in a Next.js application.

snippet.js
javascript
function checkPermission(roles) {
  const isAdmin = roles.includes('admin');
  return isAdmin;
}

nextjs

Breakdown

roles.includes('admin')

Checks if the string 'admin' exists anywhere inside the roles array.

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Checking for Items with Array.includes()

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