Modern JavaScript in React Documentation

modern_js.md If you haven’t worked with JavaScript in the last few years, these three points should give you enough knowledge to feel comfortable reading the React documentation: We define variables with let and const statements. For the purposes of the React documentation, you can consider them equivalent to var. We use the class keyword to define JavaScript classes. There are two things worth re

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Hello World – React https://ja.reactjs.org/docs/hello-world.html より