JavaScript date processing is a headache? What are some better libraries or functions that can solve this problem?

Say goodbye to the troubles of JavaScript date processing

When processing dates and times, the design of JavaScript native Date objects is not completely intuitive, and often confuses developers. For example, the representation of the day of the week (0 on Sunday), the month index starts at 0 (0 on January), and the last day of the month with 0, etc., all increase the code complexity and the probability of error.

The problem at the beginning of the article is the concentrated reflection of these problems: the day of the week returned by getDay() does not match the international standard (Monday is 1); the month index needs to be reduced by 1; when it indicates the last day of the month, 0 needs to be used, which is hugely different from the regular date representation method. These designs are contrary to people's daily perceptions, increasing the readability and maintenance of the code.

More elegant date processing solutions: Excellent JavaScript library

So, how to handle JavaScript dates more efficiently? The ideal solution should be: the day of the week means compliance with international standards (1 on Monday or 7 on Sunday), the month index uses 1-12 directly, and avoid using 0 for the last day of the month.

To do this, we can use some excellent date processing libraries:

• Moment.js: Powerful date and time processing library, providing rich APIs, can easily solve many problems caused by native Date objects.
• Day.js: A smaller (about 2kb) and faster alternative. The API is similar to Moment.js, but has better performance.

Both libraries provide more intuitive representations of the week and month indexes, and simplify the operation of getting the last day of the month, helping developers write clearer and easier to maintain date and time-related code. Which library to choose depends on the project's volume and performance requirements.

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