JSFiddle - React, Tailwind, and code Playground
HTML
<input type="text" id="abc_123_MyDiv" value="firstValue" />
JavaScript
var input = document.querySelector("input[id*=MyDiv]");
input.value="Updated Value"
<input type="text" id="abc_123_MyDiv" value="firstValue" />
var input = document.querySelector("input[id*=MyDiv]");
input.value="Updated Value"