Topic: ReactJs tech question
Expected behavior I see the following definition in the code like this:
toggleTab = tab => () => { const { activeItem } = this.state; if (activeItem !== tab) { this.setState({ activeItem: tab }); } };
It is something like arrow function but a bit different. Can I know the name of the technique you used above?
This is calling a curried function.
Here is a topic about that on StackOverflow :
https://stackoverflow.com/questions/32782922/what-do-multiple-arrow-functions-mean-in-javascript/32784025
and some article about it:
https://blog.bitsrc.io/understanding-currying-in-javascript-ceb2188c339
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