Introduction to Restore Cursor in JavaScript

The restore-cursor library is an essential tool for web developers who want to enhance the user experience by effectively managing text cursor state within a web application. This powerful library offers a range of APIs that help you restore the cursor to its previous position after any event that disrupts the cursor’s position. In this guide, we’ll explore key features of restore-cursor through various examples and code snippets.

API Explanations and Code Snippets

Basic Usage

To get started with restore-cursor, first install the package:

  npm install restore-cursor  

Next, you can use it as follows:

  const restoreCursor = require('restore-cursor');
// This function will save the current cursor position restoreCursor.save();   

Restore Cursor Position

After saving the cursor position, you can restore it using:

  // Restore cursor position restoreCursor.restore();   

Event Handling

You might need to save and restore the cursor position on specific events such as input focus or button clicks. Here’s an example:

  const inputElement = document.querySelector('input');
inputElement.addEventListener('focus', () => {
  restoreCursor.save();
});
inputElement.addEventListener('blur', () => {
  restoreCursor.restore();
});  

Practical Application Example

To provide a comprehensive understanding, let’s walk through a practical application example that utilizes the APIs discussed:

Interactive Form Example

For an interactive form where users frequently switch between different input fields, maintaining cursor position is crucial. Here’s a complete example:

    
  
  
  
 
  

    Field 1:
    

    Field 2:
    

    Save Cursor
    Restore Cursor
  

  
  
   

Conclusion

The restore-cursor library is a simple yet powerful tool for improving user experience in web applications by ensuring that the cursor position is preserved during various events. This guide has provided a detailed overview of its usage through multiple examples and demonstrates how you can integrate it into your projects seamlessly. Happy coding!

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