JSFiddle - React, Tailwind, and code Playground

HTML

<input type="text" id="searchKey" onkeypress="window.pressSearch(event)">
<div id="enterSearch" onclick="alert('Win!')">Search</div> // This is the "button"

JavaScript

function pressSearch(e) {
    if (typeof e == 'undefined' && window.event) {
        e = window.event;
    }
    var charCode = (e.which) ? e.which : 
                   ((e.charCode) ? e.charCode : 
                   ((e.keyCode) ? e.keyCode : 0));
    if (charCode == 13) {
        var cle = document.createEvent("MouseEvent");
        cle.initEvent("click", true, true);
        var elem = document.getElementById('enterSearch');
        elem.dispatchEvent(cle);
    }
}