What is 'this' in JavaScript + understand call() bind() apply()

The 'this' keyword is really tricky in JavaScript. That's why you need to be able to know what is 'this' AND how to change it depending on what you're trying to do.

Chapters:
0:00 'this' when you don't decide to explicitly set it
1:01 Using call() to set 'this' to a specific object
2:01 Setting this and passing an argument to the called function
3:45 Passing several arguments using call() or apply()
6:07 Using bind() to create a function that wraps another function

#learnprogramming #juniordeveloper #learnjavascript

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[jonathanjohnson]

"This" really helped a lot. Using things like call, apply and bind could be a bit confusing at the beginning. Thanks for the explanation