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Beginning JavaScript for React Native

Arrays

 
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Lists of data in JavaScript are stored in arrays. You can access an element in an array with square brackets, and you can access just part of an array with the slice function.

Summary of Content:

  • Declare a new array
  • Accessing a specific element of an array
  • Mutating a specific element in the array
  • Using slice to access just part of an array
  • Using indexOf to check for the existence of a value in an array

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Lessons in Beginning JavaScript for React Native