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代码测试
<script>
window.addEventListener("scroll", function (e) {
if (window.scrollY > window.innerHeight * 0.3) {
document.querySelector("#content").classList.add("scrolled");
} else {
document.querySelector("#content").classList.remove("scrolled");
}
});</script>
<style>
#content.scrolled::before, #content.scrolled::after {
filter: blur(6px); /*数字越大虚化越明显*/
transform: scale(1.02); /*数字越大背景放大越明显*/
}
#content::before, #content::after {
transition: filter .3s ease, transform .3s ease !important;
filter: blur(0px);
transform: scale(1.02);
}
</style>
<!--滚动模糊结束-->