JSFiddle - React, Tailwind, and code Playground
by chaoszcat
JavaScript
//Set these once, right after Ext.onReady
Ext.util.Format.thousandSeparator = '.';
Ext.util.Format.decimalSeparator = ',';
//Then this should work:
document.write(Ext.util.Format.number(12345.67, '0,000.00'));