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Beginning JavaScript for React Native

What is 'this'?


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The value of this within a JavaScript function is set to whatever object called that function. This can be a very helpful and powerful feature, but can also cause a lot of errors and confusion.

There are a few ways to set the value of this withing a function, including the bind method, using call or apply to call the function, or using arrow functions instead of defining functions in the traditional way.

Summary of Content:

  • Getting the value of this in the current context
  • The value of this changes based on what called the function
  • How to fix the value of this for all time, or just for one function call





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