scrollIntoView在边中不平滑

Question

我使用vanillaJS让按钮平滑地向下滚动到div元素(以id为目标(

我的代码是：

this.myButton.addEventListener("click",load_section);
function load_section() {  
document.querySelector('#myDiv').scrollIntoView({ block: 'end',  behavior: 'smooth' });  
}

在所有其他浏览器中，这会平滑地滚动到该部分。在Edge中，它只是跳转到它。我需要更改什么才能使它平滑地向下滚动到部分

Answer 1

有关平滑滚动方法的更全面列表，请参阅此处的答案。

---

要在精确的时间内滚动到某个位置，可以使用window.requestAnimationFrame，每次计算适当的当前位置。要滚动到某个元素，只需将y位置设置为element.offsetTop即可。

/*
@param pos: the y-position to scroll to (in pixels)
@param time: the exact amount of time the scrolling will take (in milliseconds)
*/
function scrollToSmoothly(pos, time) {
var currentPos = window.pageYOffset;
var start = null;
if(time == null) time = 500;
pos = +pos, time = +time;
window.requestAnimationFrame(function step(currentTime) {
start = !start ? currentTime : start;
var progress = currentTime - start;
if (currentPos < pos) {
window.scrollTo(0, ((pos - currentPos) * progress / time) + currentPos);
} else {
window.scrollTo(0, currentPos - ((currentPos - pos) * progress / time));
}
if (progress < time) {
window.requestAnimationFrame(step);
} else {
window.scrollTo(0, pos);
}
});
}

演示：

function scrollToSmoothly(pos, time) {
var currentPos = window.pageYOffset;
var start = null;
if(time == null) time = 500;
pos = +pos, time = +time;
window.requestAnimationFrame(function step(currentTime) {
start = !start ? currentTime : start;
var progress = currentTime - start;
if (currentPos < pos) {
window.scrollTo(0, ((pos - currentPos) * progress / time) + currentPos);
} else {
window.scrollTo(0, currentPos - ((currentPos - pos) * progress / time));
}
if (progress < time) {
window.requestAnimationFrame(step);
} else {
window.scrollTo(0, pos);
}
});
}
document.getElementById("toElement").addEventListener("click", function(e){
scrollToSmoothly(document.querySelector('div').offsetTop, 500 /* milliseconds */);
});
document.getElementById("backToTop").addEventListener("click", function(e){
scrollToSmoothly(0, 500);
});

<button id="toElement">Scroll To Element</button>
<div style="margin: 1000px 0px; text-align: center;">Div element
<button id="backToTop">Scroll back to top</button>
</div>

还可以使用SmoothScroll.js库，它支持滚动到页面上的某个元素，此外还支持更复杂的功能，如垂直和水平平滑滚动、在其他容器元素内滚动、不同的缓和行为、从当前位置相对滚动等。

smoothScroll({toElement: document.getElementById('elementId'), duration: 500});

document.getElementById("toElement").addEventListener("click", function(e){
smoothScroll({toElement: document.querySelector('div'), duration: 500});
});
document.getElementById("backToTop").addEventListener("click", function(e){
smoothScroll({yPos: 'start', duration: 500});
});

<script src="https://cdn.jsdelivr.net/gh/LieutenantPeacock/SmoothScroll@1.2.0/src/smoothscroll.min.js" integrity="sha384-UdJHYJK9eDBy7vML0TvJGlCpvrJhCuOPGTc7tHbA+jHEgCgjWpPbmMvmd/2bzdXU" crossorigin="anonymous"></script>
<button id="toElement">Scroll To Element</button>
<div style="margin: 1000px 0px; text-align: center;">Div element
<button id="backToTop">Scroll back to top</button>
</div>