JSFiddle - React, Tailwind, and code Playground
HTML
<input type="text" value="replace to button" id="myinput">
JavaScript
var dynButton = $('#myinput').attr({ type: 'submit', id:'idDynBtn', class:'clsDynBtn', name:'DynBtn', value:'Tool' });
<input type="text" value="replace to button" id="myinput">
var dynButton = $('#myinput').attr({ type: 'submit', id:'idDynBtn', class:'clsDynBtn', name:'DynBtn', value:'Tool' });