Скачать или смотреть How to Add a Checkbox Before Text in a ToDo List and Hide Text on Check

Learn how to implement checkboxes in your ToDo list so that checking them will hide the associated text while keeping it in the list.
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This video is based on the question https://stackoverflow.com/q/72546890/ asked by the user 'Mayur Soni' ( https://stackoverflow.com/u/16258971/ ) and on the answer https://stackoverflow.com/a/72547450/ provided by the user 'notrev' ( https://stackoverflow.com/u/3964564/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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How to Add a Checkbox Before Text in a ToDo List and Hide Text on Check

Creating a functional ToDo list can be a fulfilling project, particularly for those looking to enhance their programming skills with JavaScript. If you've found yourself asking, "How can I add a checkbox before text & when the checkbox is checked by the user, the text gets deleted but remains in the list?"—you're certainly not alone. In this guide, we will walk through the solution step-by-step, ensuring that each part is clear and easy to understand.

The Initial Challenge

When managing tasks in a ToDo list, it's common to want checkboxes next to each item. The goal is to allow users to mark an item as completed, making it easier to manage their tasks visually without permanently removing the item from the list. However, if the initial code does not include a checkbox before each task, users will struggle to interact fully with the list.

The Solution Breakdown

The solution involves modifying your existing code to include a checkbox before each text item in the ToDo list. Let's break it down:

Step 1: Define Your ToDo List

First, you need a starting point for your ToDo items. We will simulate a small list for our example.

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Step 2: Create a Function to Display Tasks

Next, you will create a function, showTasks, that will build the HTML structure for your ToDo list. In this function, we will include a checkbox for each item. This is essential for the functionality you desire.

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Step 3: Handling the Deletion of Text

Now, although we want to "delete" the text when a checkbox is checked, we actually just want to hide it visually. To accomplish this, we can listen for changes on the checkbox and then update the display accordingly. Here’s how to handle the delete action:

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The deleteTask function currently logs to the console. You can expand on this by including functionality to hide the associated text rather than removing it entirely.

Step 4: Implementation in HTML

Your HTML code needs to have a designated spot for your ToDo list. Ensure you have this simple structure in place:

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Step 5: Putting It All Together

Once you have the JavaScript functions defined and the HTML set up, you can run the showTasks() function to populate your list with checkboxes and tasks.

Conclusion

By following these steps, you should now have a working ToDo list that features checkboxes for each task. When a checkbox is checked, you can implement logic to hide the respective text without removing it from the list. This provides a clean and user-friendly way to keep track of your tasks. Enjoy coding, and happy programming!