SOURCE

console 命令行工具 X clear

                    
>
console
const out = document.querySelector('.out');
console.log(out);
out.addEventListener('click', (e) => {
    console.log(e.target);
});
<div class="out">
    <div class="in"></div>
</div>
.out {
    height: 200px;
    background: green;
}

.in {
    height: 100px;
    background: red;
    z-index: 1;
    position: relative;
}