I’m trying download this, by popup.js and popup.html where i created button of it, to click and download the data from that.. my current code heres ,but No content found in localStorage,the code:

// Add event listener for download button
  document.querySelector("#downloadBtn").addEventListener('click', () => {
    // Retrieve the stored data from localStorage
    const storedData = localStorage.getItem('x.txt');
    if (storedData) {
      // Split the string into individual links
      const links = storedData.split('n').filter(link => link.trim() !== ''); // Remove empty strings

      // Convert the array of links to a string for download
      const content = links.join('n');

      // Create a Blob containing the text content
      const blob = new Blob([content], { type: 'text/plain' });

      // Create a link element to trigger the download
      const link = document.createElement('a');
      link.href = URL.createObjectURL(blob);
      link.download = 'x.txt'; // Set the filename for the download
      link.click();

      // Clean up resources
      URL.revokeObjectURL(link.href);
    } else {
      console.error('No content found in localStorage.');
    }
  });
});

chrome.runtime.onMessage.addListener((msg) => {
  document.body.innerHTML += `<div>${msg.text}</div>`;
});`
[heres the console](https://i.stack.imgur.com/ktjQa.png)
just wanna extract the lines of url text in a txt file, it seems its basic from you all. doing this all day nothing happens. hope you catch my simple explanation, ill add up if theres need to specify