The library number-to-chinese-words can be used in 2 ways:
Repo: https://github.com/siakhooi/ts-number-to-chinese-words/
        $ npm i @siakhooi/number-to-chinese-words
      
      Then in javascript file:
      
        const NumberToChineseWords = require('@siakhooi/number-to-chinese-words');
        console.log(NumberToChineseWords.convertNumber(7));
      
    
      <script src="https://siakhooi.github.io/ts-number-to-chinese-words/number-to-chinese-words.bundle.js"></script>
      <script src="https://unpkg.com/@siakhooi/number-to-chinese-words/dist/number-to-chinese-words.bundle.js"></script>
      <script src="https://cdn.jsdelivr.net/npm/@siakhooi/number-to-chinese-words/dist/number-to-chinese-words.bundle.js"></script>
    
    
        
        <HTML>
        <HEAD>
          <script src="https://siakhooi.github.io/ts-number-to-chinese-words/number-to-chinese-words.bundle.js"></script>
        </HEAD>
        <BODY>
        <div id="demo"></div>
        <script>
            document.getElementById('demo').innerHTML = '1777=' + convertNumber(1777);
          </script>
        </BODY>
      </HTML>