How to make the code of WeChat applet self-check?

The code of WeChat applet can be self-checked by the following steps:

1. Open the WeChat developer tool and enter the applet project.

2. Select Tools-Code Check in the left menu bar.

3. In the pop-up code checking panel, you can check the items to be checked, such as syntax errors and variable declarations.

4. Click the "Start Inspection" button and wait for the inspection result.

5. If there are any errors or warnings, they will be displayed in the code inspection panel and can be modified and optimized according to the prompts.

6. After completing the self-check, you can rerun the applet to ensure the code quality and performance.