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How to implement regions/code collapse in JavaScript?

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Sometimes, we want to implement regions/code collapse in JavaScript.

In this article, we’ll look at how to implement regions/code collapse in JavaScript.

How to implement regions/code collapse in JavaScript?

To implement regions/code collapse in JavaScript, we add comments for region markers.

For instance, we write

//#region MyRegion1

const foo = () => {};

//#endregion

//#region MyRegion2

const bar = () => {};

//#endregion

to wrap our code with region markers.

We use #region to mark the start of a region and use #endregion to mark the end of a region.

Then we can expand or collapse the code in Visual Studio or Visual Studio Code.

Conclusion

To implement regions/code collapse in JavaScript, we add comments for region markers.

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