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Slack: keyboard jump to composer

Adds an Alt+T shortcut that instantly places the cursor in the message composer of the active channel.

Code to copy

// Press Alt+T to jump the cursor straight into the message composer
function focusComposer(e) {
  if (e.altKey && (e.key === 't' || e.key === 'T')) {
    const box = document.querySelector('.ql-editor[contenteditable="true"]');
    if (box) {
      e.preventDefault();
      box.focus();
    }
  }
}
document.addEventListener('keydown', focusComposer, true);

How to use this example

1. Copy the code with the button above.
2. Install JustZix (2 minutes) and open the extension on the target page.
3. Add a new rule matching that page.
4. Paste the code into the rule's JavaScript panel and save — it runs on every page visit.