ctrl+j injection script

document.addEventListener('keydown', function(e) {
  // 1. Detect Ctrl + J (or Cmd + J on Mac)
  if ((e.ctrlKey || e.metaKey) && e.key.toLowerCase() === 'j') {
    
    // 2. Stop the browser's default action for Ctrl + J
    e.preventDefault();

    // 3. Create a synthetic "Enter" keydown event
    const enterEvent = new KeyboardEvent('keydown', {
      key: 'Enter',
      code: 'Enter',
      keyCode: 13,
      which: 13,
      bubbles: true,    // Allows the event to travel up the DOM
      cancelable: true  // Allows other scripts to call preventDefault()
    });

    // 4. Dispatch the event on the currently focused element
    e.target.dispatchEvent(enterEvent);
  }
  // Detect Ctrl + H (or Cmd + H on Mac)
  if ((e.ctrlKey || e.metaKey) && e.key.toLowerCase() === 'h') {
    
    // Prevent default browser action (often "History" in some browsers)
    e.preventDefault();

    // Create a synthetic "Backspace" keydown event
    const backspaceEvent = new KeyboardEvent('keydown', {
      key: 'Backspace',
      code: 'Backspace',
      keyCode: 8,
      which: 8,
      bubbles: true,
      cancelable: true
    });

    // Dispatch it to the element currently in focus
    e.target.dispatchEvent(backspaceEvent);
  }
});