SO - 30116709

by Arun P Johny

HTML

<input type="text" id="k_id_234">

JavaScript

document.addEventListener('keyup', function (e) {
    var keycode = e.keyCode || e.which;
    if (document.activeElement.id == 'k_id_234') {
        console.log(document.getElementById('k_id_234').value);
        
    }
});