JSFiddle - React, Tailwind, and code Playground
HTML
<span class="persian-digit">This span contains persian digits (0123456789),</span>
<span>and this one contains english digits (0123456789).</span>
JavaScript
$(document).ready(function(){
persian={0:'۰',1:'۱',2:'۲',3:'۳',4:'۴',5:'۵',6:'۶',7:'۷',8:'۸',9:'۹'};
$(".persian-digit").each(function(){
for(var i=0;i<=9;i++) {
$(this).html($(this).html().replace(i,persian[i]));
}
});
});