JavaScript insurance expiration time processing: How to use JS to determine whether insurance or renewal is required?

Efficient processing of insurance expiration time with JavaScript

In web development, business logic related to time is often needed, such as the judgment of insurance expiration time. This article will explain in detail how to use JavaScript to determine whether insurance or renewal is required based on the insurance expiration date, and display different prompt information based on the time difference.

Requirements: Write a JavaScript function to receive the insurance expiration time (for example, '2024-12-21 10:45:45'), and judge based on the current time:

• Whether it has expired (expired, it shows "insured").
• Whether the expiration is less than or equal to 9 months (there is less than or equal to 9 months will be displayed as "renewal").

Solution: Use JavaScript's Date object to implement this function. The following code snippet provides a solution:

 function checkInsuranceExpiry(expiryTime) {
  if (!expiryTime) return; // Handle null value cases const expiryDate = new Date(expiryTime);
  const currentDate = new Date();

  if (expiryDate <p> This code first converts the entered expiration time string into a <code>Date</code> object and then compares it with the current time. If it expires, return to "insurance"; otherwise, calculate the time difference and determine whether renewal is required based on the month difference (here is roughly calculated based on 30 days per month). More precise calculations are required, and more complex date libraries can be used. The code also includes processing of null value input.</p>

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