<input id="metinyaz" type="text">
<div id="burayayaz"></div>

<input id="metinyaz" type="text">
<div id="burayayaz"></div>
<script>
    var input_elm = document.getElementById('metinyaz');
    var input_text = input_elm.value;
    document.getElementById("burayayaz").innerHTML = input_text;
    input_elm.addEventListener('keyup', (enterolayi) => {
        if (enterolayi.keyCode === 13) {
            document.getElementById("burayayaz").innerHTML = event.target.value
        }
    });
</script>