I'm building an alarm clock using JavaScript and I need some help. I've created div containers for the alarms, and I have a limitation where only 3 containers can be displayed at once. When I hit that limit, an error message (a `
` element) shows up indicating that the maximum alarms are reached. However, the problem is that when I delete one of the alarm containers, I want this error message to disappear, but it doesn't. How can I achieve that?
3 Answers
It sounds like you need to make sure that the `
` element for the error message is appended to your container. When you're trying to remove it, if it wasn't added in the first place, calling `.remove()` won't do anything. You should check if the error message already exists before trying to remove or append it. If you're deleting an alarm and it should trigger the check for the error message again, make sure you also have logic to hide or remove the `
` when the number of alarms is below 3.
Remember to check if the existing error message is in the DOM before trying to remove it. Use conditional logic to show and hide the error `
` based on the current number of alarm containers. This way, when you delete an alarm, the error message will be removed automatically if it’s not needed.
From what you've described, you might need to revise how you're managing your error message. Ensure you're appending the `
` element to the same parent as your alarm containers. Additionally, when you delete an alarm, check the current number of alarms: if it's less than 3, then you can remove the error message if it currently exists.
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