Best practices to write Javascript

[bunnybunbun37204]

Best practices rules

1. Use let instead of var for the variables that need to be changed.
2. Use const instead of var for the variables that won't be changed.
3. Chage

     try {
       var response = UrlFetchApp.fetch(lineNotifyEndPoint, options);
     }
     catch (error)  {
        Logger.log(error.name + "：" + error.message);
        return;
     }
    if (response.getResponseCode() === 200) {
        Logger.log("Sending message completed.");
     }

   To

   
     try {
       const response = UrlFetchApp.fetch(lineNotifyEndPoint, options);
       if (response.getResponseCode() === 200) {
             Logger.log("Sending message completed.");
          }
     }
     catch (error)  {
        Logger.log(error.name + "：" + error.message);
        return;
     }

4. Maintain consistent indentation, spacing, and naming conventions. Use tools like **ESLint** to enforce coding standards.

[bunnybunbun37204]

Geng mak mak kub Good Job