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Author's profile photo Brandon Caulfield

JavaScript Array Methods You Should Know

It’s crucial for any JavaScript developer to know how to efficiently work with JSON data. If you work with UI5/ Fiori you are certainly going to consume JSON data (an array of objects) in your frontend application.

So, to help with that, I’ve uploaded this video tutorial that runs through a small set of JavaScript array methods that you can use to create, update or loop through JSON data in your application.

The array methods that are covered include:

  • Add a new object at the start – unshift()
  • Add a new object at the end – push()
  • Add a new object in the middle – splice()
  • Looping through an array of objects:
    • Find an object in an array by its values – find()
    • Get multiple items in an array that match a condition – filter()
    • Transform objects of an array – map()
    • Add a property to every object of an array – forEach()
  • Sorting an array by a property – sort()
  • Check if objects in an array fulfill a specific condition –some(), every()

It’s also important to note that I’ve used ES6 syntax in all of the examples.

If you have any questions please feel free to comment and I’ll help where I can 🙂

Thanks for reading!

B

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