Скачать или смотреть How to Format a Date and Write Square Brackets in dayjs

Learn how to format date strings in `dayjs` while correctly including square brackets for a clean output.
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Formatting Dates with dayjs: Including Square Brackets

When working with JavaScript, handling dates can be a bit tricky, especially when you want to format them in a particular way. A common requirement is to format a date string and include square brackets in the output. In this guide, we will explore how to achieve this specific formatting using the dayjs library.

The Problem

Imagine you want to format a date and display it in the following format:

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However, when you attempt to include square brackets directly in your formatting string, you encounter an issue. The output instead looks like this:

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This happens because dayjs treats the square brackets as literals that need to be escaped. Let's dive into how to properly format your date to include square brackets using dayjs.

The Solution: Escaping Square Brackets

To include square brackets in your formatted date string, you need to escape them correctly. Here's how to do it effectively:

Step-by-Step Breakdown

Import dayjs: Ensure you have dayjs imported into your file.

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Format Date String: When preparing your format, use double square brackets to escape them properly within the format string. Here’s how it looks in code:

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Example Usage: You can easily call this function with a valid date string:

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Alternative Method

If you're looking for a quicker shorthand method, you can also use the format method directly without defining a new function. Here’s how you can do it in one line:

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This approach also works well, but the former method gives you more flexibility and can be reused for different date strings.

Conclusion

Using dayjs can make date management in JavaScript far simpler. By understanding how to escape square brackets in your date formatting strings, you can achieve the exact output format you desire. Whether you choose to encapsulate your logic within a function or streamline it into a one-liner, the options are at your fingertips.

Now you can format dates with confidence, including any necessary symbols without compromising on the output! Happy coding!