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Discussion on: Is "this" really that complicated in JavaScript?

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Ben Duncan • Edited on

To summarize: unless someone changes it using call/apply/bind or you are inside of an arrow function, this refers to whatever is left of the last dot at the point of invocation.

button.click(); // this === button
whatIsThis(); // this === undefined (or the global/window object in non-strict context, because whatIsThis === window.whatIsThis)
newPhone.useApps() // this === newPhone
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