JSFiddle - React, Tailwind, and code Playground
by wirey00
HTML
<h2 id="nameUser">Muhammed<span> mobile :989 531 9991 </span>Ahmed</h2>
JavaScript
$('#nameUser').contents().filter(function() {
return this.nodeName != 'SPAN';
}).each(function(i) {
this.nodeValue = 'name'+i;
});