set clipboard, then store value in variable, then set that variable to local storage in javascript synchronously in javascript

To set the clipboard value in JavaScript, you can use the navigator.clipboard.writeText method. To store the clipboard value in a variable, you can use a then block to access the clipboard value after it has been set. To store the value in local storage synchronously, you can use the localStorage.setItem method.

Here's an example code:

index.tsx
navigator.clipboard.writeText('Hello, World!')
  .then(() => navigator.clipboard.readText())
  .then((clipboardText) => {
    localStorage.setItem('clipboardValue', clipboardText);
  });
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This code sets the clipboard value to 'Hello, World!', then reads the clipboard text and sets it in local storage with the key 'clipboardValue'. The process of setting the clipboard value and storing it in local storage is done synchronously in the order outlined in the code.