我有一个HTML,我正在try 随机化每一层的上边距属性.
function randomize() {
let r;
let list = document.querySelectorAll("span");
for (let i = 0; i < list.length; i++) {
r = Math.floor(Math.random() * 50);
list.forEach((list) => {
style.top = `${r} + px`;
});
}
}
span {
position: absolute;
height: 20px;
width: 20px;
border-radius: 100%;
z-index: -2;
}
<div class="parallax">
<span class="layer" data-speed="-5">10110</span>
<span class="layer" data-speed="-5">0</span>
</div>
我做错了什么?我找不到合适的解决办法.