使い方 JavaScript/CSS <script src="jquery.min.js"></script> <script src="jquery.html5jpMeterPolyfill.js"></script> <script> $(document).ready(function() { $('meter').html5jpMeterPolyfill(); }); </script> <style> meter { display: inline-block; width: 5em; height: 1em; vertical-align: -0.2em; } </style> HTML <meter value="20" min="0" low="30" high="70" max="100" optimum="100"></meter> <meter value="50"