Денис Инешин

var test = document.getElementById('test'),
    input = document.getElementById('inp');

input.addEventListener('change', function () {
    var val = this.value;
    this.value = '';
    
    test.innerHTML += val; // <-- вот тут добавляем текст к нашему полю
});

<div class="item">
    <div class="item-mask"></div>
    <div class="item-inner"></div>
</div>

.item {
    position: relative;
    width: 200px;
    height: 200px;
    background: #000;
    overflow: hidden;
    border-radius: 50%;
}
.item-mask {
    position: absolute;
    top: 100%; left: 0;
    width: 100%; height: 100%;
    background: #f00;
    transition: all 500ms cubic-bezier(0.420, 0.000, 0.580, 1.000); /* ease-in-out */
    transition-timing-function: cubic-bezier(0.420, 0.000, 0.580, 1.000); /* ease-in-out */
}
.item:hover .item-mask {
    top: 0;
}

.item-inner {
    position: absolute;
    top: 10px; left: 10px;
    width: 180px; height: 180px;
    background: #fff;
    border-radius: 50%;
}