Tabela de ICMS interno e interestadual em javascript
npm install --save icms
<script src="https://cdn.jsdelivr.net/gh/rbravo/icms@master/dist/icms.js"></script>
var icms = require('icms'),
aliquotaDfGo = icms('df', 'go'),
aliquotaInternaDf = icms('df');
console.log(aliquotaDfGo); // 12
console.log(aliquotaInternaDf); // 18
<script src="https://cdn.jsdelivr.net/gh/rbravo/icms@master/dist/icms.js"></script>
<script>
var aliquotaDfGo = icms('df', 'go');
var aliquotaInternaDf = icms('df');
</script>