JSFiddle - React, Tailwind, and code Playground
HTML
<input type="text" id="my_input_text" value="" />
<input type="text" id="my_input_text" value="" />
JavaScript
var input = $("#my_input_text").val("yyy");
alert(input.val());
<input type="text" id="my_input_text" value="" />
<input type="text" id="my_input_text" value="" />
var input = $("#my_input_text").val("yyy");
alert(input.val());