JSFiddle - React, Tailwind, and code Playground

HTML

Enter your wage:<input type="text" id="wage" value ="" size=20>
        <button id="sub">Submit</button>

JavaScript

var wage = document.getElementById("wage");
wage.addEventListener("keydown", function (e) {
    if (e.keyCode === 13) {
        validate(e);
    }
});

function validate(e) {
    alert('Validated');
}