跨浏览器JavaScript（不是jQuery…）滚动到顶部动画

222

我正在寻找一个简单的跨浏览器“滚动到顶部”动画，可以将其应用于链接。我不想使用JS库，例如jQuery / Moo等。

// jQuery Equivilant to convert to pure JS...
$('html, body').animate({scrollTop:0}, 400);

对于那些在进入图书馆之前应该100％学习JS的人来说，这是一个完美的案例。:(

javascript 
— 希瑟·欣斯
source
78
+1 不希望使用jQuery，有正当理由:)为灵感，你可以看看这些库，例如源代码jQuery的1.7.1.js。
— 罗伯W
1
— Oyeme
10
@seand JavaScript不是jQuery，但是jQuery是JavaScript。如果一个人（例如OP）想学习JavaScript，则他不应接触任何any肿的库，除非他们知道如何在JavaScript中编写相同的代码。
— 罗伯W
3
@RobW使用类似jQuery的库有助于抽象化跨浏览器差异，因此我认为它对Web开发至关重要。如果完美的实现存在并且可以免费获得，则无需知道这些差异
— seand 2012年
6
@seand，这就是我们产生糟糕的编码器的方式。他们不懂这种语言，但是可以产生无限量的jQuery代码，因为他们知道。这会导致黑客攻击，例如将所有内容都存储在DOM中（因为有时它们甚至不知道什么是变量，除了var something = $(...)），在每个函数中重新创建大量的对象（他们知道变量，但不知道该对象var veryBigObject = {...}只有几百个属性）该功能的顶部将是谋杀性能）。而且很多时候他们甚至都不知道该语言的名称是Javascript，而不是jQuery。
— Killah 2014年

Answers:

139 
function scrollTo(element, to, duration) {
    if (duration <= 0) return;
    var difference = to - element.scrollTop;
    var perTick = difference / duration * 10;

    setTimeout(function() {
        element.scrollTop = element.scrollTop + perTick;
        if (element.scrollTop === to) return;
        scrollTo(element, to, duration - 10);
    }, 10);
}

演示：

function runScroll() {
  scrollTo(document.body, 0, 600);
}
var scrollme;
scrollme = document.querySelector("#scrollme");
scrollme.addEventListener("click",runScroll,false)

function scrollTo(element, to, duration) {
  if (duration <= 0) return;
  var difference = to - element.scrollTop;
  var perTick = difference / duration * 10;

  setTimeout(function() {
    element.scrollTop = element.scrollTop + perTick;
    if (element.scrollTop == to) return;
    scrollTo(element, to, duration - 10);
  }, 10);
}
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</p>
<button id=scrollme type="button">To the top</button>
展开摘要

— 蒂姆·沃尔拉
source
11
document.documentElement而不是document.body（除非您设置CSS：）body{height:100%;}。使用此概念的演示工作：jsfiddle.net/S5ALP/1
— Rob W
7
@RobW您添加的内容在Google Chrome @ Ubuntu Linux中
— 不起作用
2
它在Firefox 9.0和Ubuntu中也是如此:)。您的代码在Firefox中失败，但在Chrome中工作，我的代码在Chrome中失败，但在FF中工作。
— 罗伯W
2
那应该是if (duration <= 0) return;
— Jon Koops 2012年
4
对其进行修改以使用，top.window.scroll(0, value)而不是element.scrollTop = value使其在Chrome和Firefox（Ubuntu）中均可使用。:)
— Shomz 2012年
113

看起来已经有很多解决方案了。无论如何，这是另一个，使用缓动方程。

// first add raf shim
// http://www.paulirish.com/2011/requestanimationframe-for-smart-animating/
window.requestAnimFrame = (function(){
  return  window.requestAnimationFrame       ||
          window.webkitRequestAnimationFrame ||
          window.mozRequestAnimationFrame    ||
          function( callback ){
            window.setTimeout(callback, 1000 / 60);
          };
})();

// main function
function scrollToY(scrollTargetY, speed, easing) {
    // scrollTargetY: the target scrollY property of the window
    // speed: time in pixels per second
    // easing: easing equation to use

    var scrollY = window.scrollY || document.documentElement.scrollTop,
        scrollTargetY = scrollTargetY || 0,
        speed = speed || 2000,
        easing = easing || 'easeOutSine',
        currentTime = 0;

    // min time .1, max time .8 seconds
    var time = Math.max(.1, Math.min(Math.abs(scrollY - scrollTargetY) / speed, .8));

    // easing equations from https://github.com/danro/easing-js/blob/master/easing.js
    var easingEquations = {
            easeOutSine: function (pos) {
                return Math.sin(pos * (Math.PI / 2));
            },
            easeInOutSine: function (pos) {
                return (-0.5 * (Math.cos(Math.PI * pos) - 1));
            },
            easeInOutQuint: function (pos) {
                if ((pos /= 0.5) < 1) {
                    return 0.5 * Math.pow(pos, 5);
                }
                return 0.5 * (Math.pow((pos - 2), 5) + 2);
            }
        };

    // add animation loop
    function tick() {
        currentTime += 1 / 60;

        var p = currentTime / time;
        var t = easingEquations[easing](p);

        if (p < 1) {
            requestAnimFrame(tick);

            window.scrollTo(0, scrollY + ((scrollTargetY - scrollY) * t));
        } else {
            console.log('scroll done');
            window.scrollTo(0, scrollTargetY);
        }
    }

    // call it once to get started
    tick();
}

// scroll it!
scrollToY(0, 1500, 'easeInOutQuint');
— shunryu111
source
10
很高兴有人在使用requestAnimationFrame
— 卢卡斯
4
应该投票并选择答案。这是唯一可以跨浏览器运行的浏览器
— wlingke '16
requestAnimationFrame是不是所有的浏览器兼容spsly一些手机，所以它不是一个动态的解决方案，请参阅：developer.mozilla.org/en-US/docs/Web/API/window/...
— SUB-HDR
1
代码段顶部的@ SUB-HDR有一个垫片，requestAnimationFrame它应照顾任何浏览器不兼容的问题
— shunryu111
动画变得非常laggy当一个网页有在Firefox大量图像的片段stackoverflow.com/questions/56396100/...
— user3476614
79 
window.scroll({top: 0, left: 0, behavior: 'smooth' });

从有关平滑滚动的文章中获得了它。

如果需要，可以使用一些填充料。

— MihaiRăducanu
source
4
几乎被否决了，因为我认为这是jQuery解决方案。那篇文章分类混乱！另外，我想指出这一点也scrollIntoView({behavior: 'smooth'})存在，并且可以解决人们对于此类问题的需求。
— 布伦丹
1
这将引发在最新的Chrome错误Uncaught TypeError: Failed to execute 'scroll' on 'Window': No function was found that matched the signature provided.
— rorymorris89
1
@Sgnl可以确认现在已解决。好的旧版Chrome更新了
— 令人讨厌的
4
我不知道为什么它没有更多的票，没有100000行代码的简单滚动到顶部！谢谢！
— Smokey Dawson
4
此答案必须标记为已接受。没有任何自定义转换功能的内置方法，为什么不呢？谢谢！
— Sagar
70

我修改了TimWolla的答案，以使用二次进出缓动（更加平滑：）。这是一个实际的示例：jsFiddle上。可在此处使用缓动功能：Robert Penner的缓动功能

document.getElementsByTagName('button')[0].onclick = function () {
    scrollTo(document.body, 0, 1250);   
}

function scrollTo(element, to, duration) {
    var start = element.scrollTop,
        change = to - start,
        increment = 20;

    var animateScroll = function(elapsedTime) {        
        elapsedTime += increment;
        var position = easeInOut(elapsedTime, start, change, duration);                        
        element.scrollTop = position; 
        if (elapsedTime < duration) {
            setTimeout(function() {
                animateScroll(elapsedTime);
            }, increment);
        }
    };

    animateScroll(0);
}

function easeInOut(currentTime, start, change, duration) {
    currentTime /= duration / 2;
    if (currentTime < 1) {
        return change / 2 * currentTime * currentTime + start;
    }
    currentTime -= 1;
    return -change / 2 * (currentTime * (currentTime - 2) - 1) + start;
}
— 赤井
source
5
您的代码在Firefox中不起作用。有解决方案吗？
— 米洛斯（Milos）2013年
2
@Milos只需使用“ scrollTo（document.documentElement，0，1250）;” 而不是“ scrollTo（document.body，0，1250）;” 它应该在Firefox和Chrome中都可以使用。
— 丹尼尔（Daniel）
为什么要使用数学？如果没有Math，它将无法正常运行演示
— bCliks 2015年
2
@Daniel document. documentElement在Chrome中不起作用。
— swade 2016年
@bCliks，这是一种放松方法
— Clayton Graul
27

如果没有JQuery代码，希望对您有所帮助。

function TopscrollTo() {
if(window.scrollY!=0)
{
    setTimeout(function() {
       window.scrollTo(0,window.scrollY-30);
        TopscrollTo();
    }, 100);
   }
}

在按钮单击事件或所需的任何其他元素/事件上调用此TopscrollTo（）函数。

— 维沙尔·帕特尔（Vishal Patel）
source
19

我修改了@TimWolla的代码以添加更多选项和一些移动功能。另外，通过document.body.scrollTop和document.documentElement.scrollTop为跨浏览器添加了支持

// scroll to top
scrollTo(0, 1000);

// Element to move, time in ms to animate
function scrollTo(element, duration) {
    var e = document.documentElement;
    if(e.scrollTop===0){
        var t = e.scrollTop;
        ++e.scrollTop;
        e = t+1===e.scrollTop--?e:document.body;
    }
    scrollToC(e, e.scrollTop, element, duration);
}

// Element to move, element or px from, element or px to, time in ms to animate
function scrollToC(element, from, to, duration) {
    if (duration <= 0) return;
    if(typeof from === "object")from=from.offsetTop;
    if(typeof to === "object")to=to.offsetTop;

    scrollToX(element, from, to, 0, 1/duration, 20, easeOutCuaic);
}

function scrollToX(element, xFrom, xTo, t01, speed, step, motion) {
    if (t01 < 0 || t01 > 1 || speed<= 0) {
        element.scrollTop = xTo;
        return;
    }
    element.scrollTop = xFrom - (xFrom - xTo) * motion(t01);
    t01 += speed * step;

    setTimeout(function() {
        scrollToX(element, xFrom, xTo, t01, speed, step, motion);
    }, step);
}
function easeOutCuaic(t){
    t--;
    return t*t*t+1;
}

http://jsfiddle.net/forestrf/tPQSv/

缩小版本：http： //jsfiddle.net/forestrf/tPQSv/139/

// c = element to scroll to or top position in pixels
// e = duration of the scroll in ms, time scrolling
// d = (optative) ease function. Default easeOutCuaic
function scrollTo(c,e,d){d||(d=easeOutCuaic);var a=document.documentElement;if(0===a.scrollTop){var b=a.scrollTop;++a.scrollTop;a=b+1===a.scrollTop--?a:document.body}b=a.scrollTop;0>=e||("object"===typeof b&&(b=b.offsetTop),"object"===typeof c&&(c=c.offsetTop),function(a,b,c,f,d,e,h){function g(){0>f||1<f||0>=d?a.scrollTop=c:(a.scrollTop=b-(b-c)*h(f),f+=d*e,setTimeout(g,e))}g()}(a,b,c,0,1/e,20,d))};
function easeOutCuaic(t){
    t--;
    return t*t*t+1;
}
— 森林人
source
1 / duration第一次调用scrollToX 的意义是什么？
— 杰西卡
t01是从0递增到1的时间。如果达到1，则滚动结束。我2年前做了这个，对不起，我什么都不记得了。
— Forestrf
11

实际上，没有使用setTimeout或requestAnimationFrame或jQuery 的纯JavaScript方法即可完成此操作。

简而言之，在scrollView中找到要滚​​动到的元素，然后使用scrollIntoView

el.scrollIntoView({behavior:"smooth"});

这是一个笨拙的人。

— 乔恩
source
最佳答案：一行代码，最短的一段是有效的;）
— Jacopo Pace，
1
请注意，传递时scrollIntoViewOption没有跨浏览器支持。developer.mozilla.org/zh-CN/docs/Web/API/Element/scrollIntoView
— WebWanderer，
9

从这个答案改编而成：

function scroll(y, duration) {

    var initialY = document.documentElement.scrollTop || document.body.scrollTop;
    var baseY = (initialY + y) * 0.5;
    var difference = initialY - baseY;
    var startTime = performance.now();

    function step() {
        var normalizedTime = (performance.now() - startTime) / duration;
        if (normalizedTime > 1) normalizedTime = 1;

        window.scrollTo(0, baseY + difference * Math.cos(normalizedTime * Math.PI));
        if (normalizedTime < 1) window.requestAnimationFrame(step);
    }
    window.requestAnimationFrame(step);
}

这样可以使您从任何位置平滑滚动（余弦功能）到指定的“ y”。

— 拉斯拉诺夫
source
9

没有人提到CSS属性 scroll-behavior

的CSS

html {
  scroll-behavior: smooth;
}

JS

window.scrollTo(0,0)
— 方兴
source
这太神奇了！并非所有浏览器都支持，但是可以，因为它可以很好地回退。
— Swimburger，
耶稣，我这辈子在哪里？
— Mitya
8

纯JAVASCRIPT SCROLLER类别

这是一个古老的问题，但是我想如果您想对动画有更多的控制，我可以回答一些奇特的东西和更多的选项。

  • 跨浏览器
  • 复制/粘贴就绪解决方案（您只需要CSS和JS）
  • 3种动画模式：[“正常” |“线性” | false]
  • 使用可用的设置自定义动画-使动画生动流畅
  • 双击以跳过动画
  • 每次单击都会增加初始速度
  • 通过向下滚动滚动条来停止滚动动画
  • 向下滚动鼠标滚动动画
  • 动画按钮在滚动时淡入淡出

    • 这是一个纯JS类，可以为您处理滚动：

    在 CODEPEN 查看演示或前往底部并运行SINPET

    // ------------------- USE EXAMPLE ---------------------
// *Set options
var options = {
  'showButtonAfter': 200, // show button after scroling down this amount of px
  'animate': "linear", // [false|normal|linear] - for false no aditional settings are needed

  'normal': { // applys only if [animate: normal] - set scroll loop distanceLeft/steps|ms
    'steps': 20, // the more steps per loop the slower animation gets
    'ms': 10 // the less ms the quicker your animation gets
  }, 
  'linear': { // applys only if [animate: linear] - set scroll px|ms
    'px': 30, // the more px the quicker your animation gets
    'ms': 10 // the less ms the quicker your animation gets
  }, 
};


// *Create new Scroller and run it.
var scroll = new Scroller(options);
scroll.init();

    完整的脚本+使用示例：

    // PURE JAVASCRIPT (OOP)

function Scroller(options) {
  this.options = options;
  this.button = null;
  this.stop = false;
}

Scroller.prototype.constructor = Scroller;

Scroller.prototype.createButton = function() {

  this.button = document.createElement('button');
  this.button.classList.add('scroll-button');
  this.button.classList.add('scroll-button--hidden');
  this.button.textContent = "^";
  document.body.appendChild(this.button);
}

Scroller.prototype.init = function() {
  this.createButton();
  this.checkPosition();
  this.click();
  this.stopListener();
}

Scroller.prototype.scroll = function() {
  if (this.options.animate == false || this.options.animate == "false") {
    this.scrollNoAnimate();
    return;
  }
  if (this.options.animate == "normal") {
    this.scrollAnimate();
    return;
  }
  if (this.options.animate == "linear") {
    this.scrollAnimateLinear();
    return;
  }
}
Scroller.prototype.scrollNoAnimate = function() {
  document.body.scrollTop = 0;
  document.documentElement.scrollTop = 0;
}
Scroller.prototype.scrollAnimate = function() {
  if (this.scrollTop() > 0 && this.stop == false) {
    setTimeout(function() {
      this.scrollAnimate();
      window.scrollBy(0, (-Math.abs(this.scrollTop()) / this.options.normal['steps']));
    }.bind(this), (this.options.normal['ms']));
  }
}
Scroller.prototype.scrollAnimateLinear = function() {
  if (this.scrollTop() > 0 && this.stop == false) {
    setTimeout(function() {
      this.scrollAnimateLinear();
      window.scrollBy(0, -Math.abs(this.options.linear['px']));
    }.bind(this), this.options.linear['ms']);
  }
}

Scroller.prototype.click = function() {

  this.button.addEventListener("click", function(e) {
    e.stopPropagation();
    this.scroll();
  }.bind(this), false);

  this.button.addEventListener("dblclick", function(e) {
    e.stopPropagation();
    this.scrollNoAnimate();
  }.bind(this), false);

}

Scroller.prototype.hide = function() {
  this.button.classList.add("scroll-button--hidden");
}

Scroller.prototype.show = function() {
  this.button.classList.remove("scroll-button--hidden");
}

Scroller.prototype.checkPosition = function() {
  window.addEventListener("scroll", function(e) {
    if (this.scrollTop() > this.options.showButtonAfter) {
      this.show();
    } else {
      this.hide();
    }
  }.bind(this), false);
}

Scroller.prototype.stopListener = function() {

  // stop animation on slider drag
  var position = this.scrollTop();
  window.addEventListener("scroll", function(e) {
    if (this.scrollTop() > position) {
      this.stopTimeout(200);
    } else {
      //...
    }
    position = this.scrollTop();
  }.bind(this, position), false);

  // stop animation on wheel scroll down
  window.addEventListener("wheel", function(e) {
    if (e.deltaY > 0) this.stopTimeout(200);
  }.bind(this), false);
}

Scroller.prototype.stopTimeout = function(ms) {
  this.stop = true;
  // console.log(this.stop); //
  setTimeout(function() {
    this.stop = false;
    console.log(this.stop); //
  }.bind(this), ms);
}

Scroller.prototype.scrollTop = function() {
  var curentScrollTop = document.documentElement.scrollTop || document.body.scrollTop;
  return curentScrollTop;
}



// ------------------- USE EXAMPLE ---------------------
// *Set options
var options = {
  'showButtonAfter': 200, // show button after scroling down this amount of px
  'animate': "normal", // [false|normal|linear] - for false no aditional settings are needed

  'normal': { // applys only if [animate: normal] - set scroll loop distanceLeft/steps|ms
    'steps': 20, // the more steps per loop the slower animation gets
    'ms': 10 // the less ms the quicker your animation gets
  },
  'linear': { // applys only if [animate: linear] - set scroll px|ms
    'px': 30, // the more px the quicker your animation gets
    'ms': 10 // the less ms the quicker your animation gets
  },
};
// *Create new Scroller and run it.
var scroll = new Scroller(options);
scroll.init();
    /* CSS */

@import url(https://fonts.googleapis.com/css?family=Open+Sans);
 body {
  font-family: 'Open Sans', sans-serif;
  font-size: 1.2rem;
  line-height: 2rem;
  height: 100%;
  position: relative;
  padding: 0 25%;
}
.scroll-button {
  font-size: 1.2rem;
  line-height: 2rem;
  padding: 10px;
  width: 50px;
  height: 50px;
  background: black;
  color: white;
  border-radius: 50%;
  position: fixed;
  right: 20px;
  bottom: 20px;
  visibility: visible;
  filter: alpha(opacity=50);
  filter: progid: DXImageTransform.Microsoft.Alpha(Opacity=50);
  opacity: 0.5;
  cursor: pointer;
  transition: all 1.2s;
  -webkit-transition: all 1.2s;
  -moz-transition: all 1.2s;
  -ms-transition: all 1.2s;
  -o-transition: all 1.2s;
}
.scroll-button:hover {
  filter: alpha(opacity=100);
  filter: progid: DXImageTransform.Microsoft.Alpha(Opacity=100);
  opacity: 1;
}
.scroll-button--hidden {
  filter: alpha(opacity=0);
  filter: progid: DXImageTransform.Microsoft.Alpha(Opacity=0);
  opacity: 0;
  visibility: hidden;
}
    <!-- HTML -->

<h1>Scroll down by 200px for button to appear</h1>
<ul>
  <li>Cross-browser</li>
  <li>Copy/Paste solution</li>
  <li>3 animate modes: <b>["normal"|"linear"|false]</b></li>
  <li>Customize your aniamtion with aveilable settings - make it snapy or fluent</li>
  <li>Double click to skip animation</li>
  <li>Every next single click adds initial speed</li>
  <li>Stop scroll animation by draging down the scroll bar</li>
  <li>Stop scroll animation by mouse wheel down</li>
  <li>Animated button fade-in-out on scroll</li>
</ul>

<br />
<br />
<pre>
// ------------------- USE EXAMPLE ---------------------
// *Set options
var options = {
  'showButtonAfter': 200, // show button after scroling down this amount of px
  'animate': "normal", // [false|normal|linear] - for false no aditional settings are needed
  
  'normal': { // applys only if [animate: normal] - set scroll loop distanceLeft/steps|ms
    'steps': 20, // the more steps the slower animation gets
    'ms': 20 // the less ms the quicker your animation gets
  }, 
  'linear': { // applys only if [animate: linear] - set scroll px|ms
    'px': 55, // the more px the quicker your animation gets
    'ms': 10 // the less ms the quicker your animation gets
  }, 
};

// *Create new Scroller and run it.
var scroll = new Scroller(options);
scroll.init();
</pre>
<br />
<br />
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    展开摘要

    — 开发者
    source
    1
    好吧，如果您仔细看一下，这非常简单。也许是OOP使它看起来比实际要复杂一些。其他片段将不包括中断滚动功能。所以我发布了一些完整的东西。如果您不在乎，那么我的解决方案可以满足您的需求。为了使其能够在FF和IE中工作，我只需要为CSS添加前缀即可。我会解决它，以防其他人要求这样做。我添加CSS是因为我想使其成为“复制/粘贴”解决方案。我不认为这会比这更容易:-)。
    — DevWL
    好的，这不是前缀问题：)，但我还是会解决它。
    — DevWL
    问题解决了。现在它可以在IE，FF和Chrome中运行...发生的情况：“ document.documentElement.scrollTop”在Firefox和IE中有效，但在Chrome中不起作用，“ document.body.scrollTop”在Chrome中工作，但在Firefox中则无效，在IE中。为了解决这个问题，新方法[scrollTop（）]被实现为类原型。新方法从其工作的浏览器中返回值aboutles：// var curentScrollTop = document.documentElement.scrollTop || document.body.scrollTop; //返回curentScrollTop;
    — DevWL
    另一个IE错误已修复。classList.add（'class1，class2'）; 将仅应用class1，class2将被忽略，。修复：classList.add（'class1'）; classList.add（'class2'）; 现在，在加载IE时隐藏了按钮。
    — DevWL
    6

    简单。

    var scrollIt = function(time) {
    // time = scroll time in ms
    var start = new Date().getTime(),
        scroll = document.documentElement.scrollTop + document.body.scrollTop,
        timer = setInterval(function() {
            var now = Math.min(time,(new Date().getTime())-start)/time;
            document.documentElement.scrollTop
                = document.body.scrollTop = (1-time)/start*scroll;
            if( now == 1) clearTimeout(timer);
        },25);
}
    — Niet the Dark Absol
    source
    或者只是window.scrollTo(x, y);。
    — 罗伯W
    3
    但这并没有使它动起来。
    — Niet the Dark Absol 2012年
    我为.scrollTop和提供了另一种选择.scrollLeft。
    — 罗伯W
    @NiettheDarkAbsol这仅是关心body.scrolltop和documentElement.scrolltop的函数。但是存在一些错误，例如滚动条从不使用，半冒号小姐等。请您对其进行修改。
    — Deniz Porsuk
    @DenizPorsuk您对“未使用滚动”是正确的，应该*scroll在计算滚动位置时使用。但是，我看不到任何丢失的东西;……
    — Niet the Dark Absol 2015年
    2

    刚刚在下面提出了此javascript唯一解决方案。

    简单用法：

    EPPZScrollTo.scrollVerticalToElementById('wrapper', 0);

    引擎对象（您可以摆弄滤镜，fps值）：

    /**
 *
 * Created by Borbás Geri on 12/17/13
 * Copyright (c) 2013 eppz! development, LLC.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 */


var EPPZScrollTo =
{
    /**
     * Helpers.
     */
    documentVerticalScrollPosition: function()
    {
        if (self.pageYOffset) return self.pageYOffset; // Firefox, Chrome, Opera, Safari.
        if (document.documentElement && document.documentElement.scrollTop) return document.documentElement.scrollTop; // Internet Explorer 6 (standards mode).
        if (document.body.scrollTop) return document.body.scrollTop; // Internet Explorer 6, 7 and 8.
        return 0; // None of the above.
    },

    viewportHeight: function()
    { return (document.compatMode === "CSS1Compat") ? document.documentElement.clientHeight : document.body.clientHeight; },

    documentHeight: function()
    { return (document.height !== undefined) ? document.height : document.body.offsetHeight; },

    documentMaximumScrollPosition: function()
    { return this.documentHeight() - this.viewportHeight(); },

    elementVerticalClientPositionById: function(id)
    {
        var element = document.getElementById(id);
        var rectangle = element.getBoundingClientRect();
        return rectangle.top;
    },

    /**
     * Animation tick.
     */
    scrollVerticalTickToPosition: function(currentPosition, targetPosition)
    {
        var filter = 0.2;
        var fps = 60;
        var difference = parseFloat(targetPosition) - parseFloat(currentPosition);

        // Snap, then stop if arrived.
        var arrived = (Math.abs(difference) <= 0.5);
        if (arrived)
        {
            // Apply target.
            scrollTo(0.0, targetPosition);
            return;
        }

        // Filtered position.
        currentPosition = (parseFloat(currentPosition) * (1.0 - filter)) + (parseFloat(targetPosition) * filter);

        // Apply target.
        scrollTo(0.0, Math.round(currentPosition));

        // Schedule next tick.
        setTimeout("EPPZScrollTo.scrollVerticalTickToPosition("+currentPosition+", "+targetPosition+")", (1000 / fps));
    },

    /**
     * For public use.
     *
     * @param id The id of the element to scroll to.
     * @param padding Top padding to apply above element.
     */
    scrollVerticalToElementById: function(id, padding)
    {
        var element = document.getElementById(id);
        if (element == null)
        {
            console.warn('Cannot find element with id \''+id+'\'.');
            return;
        }

        var targetPosition = this.documentVerticalScrollPosition() + this.elementVerticalClientPositionById(id) - padding;
        var currentPosition = this.documentVerticalScrollPosition();

        // Clamp.
        var maximumScrollPosition = this.documentMaximumScrollPosition();
        if (targetPosition > maximumScrollPosition) targetPosition = maximumScrollPosition;

        // Start animation.
        this.scrollVerticalTickToPosition(currentPosition, targetPosition);
    }
};
    — 杰里·博尔巴斯（GeriBorbás）
    source
    8
    真的吗 创建这段可怕的代码就像使用火箭发射器杀死苍蝇一样。
    — Killah
    3
    @Killah我真的很在乎简单的用法和仅可读性。如果您愿意，我可以将其缩小。:)
    — GeriBorbás2014年
    我的意思是说那里的帮助函数太多（为什么您需要使用一次的帮助函数？），console.warn而且字符串参数setTimeout也不适合生产代码（第二个非常不合适）任何地方，因为eval基本上是这样）。
    — Killah 2014年
    1
    假设函数调用不是一件昂贵的事情，我更喜欢将任何代码提取到命名函数中，而不是注释周围的所有内容。因此，您（至少对我而言）可以更好地阅读代码，客户端代码也可以短十位数。
    — GeriBorbás2014年
    2

    基于此处的一些答案，但使用一些简单的数学运算来使用正弦曲线进行平滑过渡：

    scrollTo(element, from, to, duration, currentTime) {
       if (from <= 0) { from = 0;}
       if (to <= 0) { to = 0;}
       if (currentTime>=duration) return;
       let delta = to-from;
       let progress = currentTime / duration * Math.PI / 2;
       let position = delta * (Math.sin(progress));
       setTimeout(() => {
           element.scrollTop = from + position;
           this.scrollTo(element, from, to, duration, currentTime + 10);
       }, 10);
   }

    用法：

    // Smoothly scroll from current position to new position in 1/2 second.
scrollTo(element, element.scrollTop, element.scrollTop + 400, 500, 0);

    PS。注意ES6风格

    — 赛宝
    source
    1

    这是基于上述答案的跨浏览器方法

    function scrollTo(to, duration) {
    if (duration < 0) return;
    var scrollTop = document.body.scrollTop + document.documentElement.scrollTop;
    var difference = to - scrollTop;
    var perTick = difference / duration * 10;

    setTimeout(function() {
      scrollTop = scrollTop + perTick;
      document.body.scrollTop = scrollTop;
      document.documentElement.scrollTop = scrollTop;
      if (scrollTop === to) return;
      scrollTo(to, duration - 10);
    }, 10);
  }
    — Belchior Oliveira
    source
    好答案！您能解释一下difference和发生了perTick什么吗？
    — 杰西卡
    1

    还有一种方法是使用window.scrollBy

    JSFiddle

    function scroll(pxPerFrame, duration) {
        if (!pxPerFrame || !duration) return;
        const end = new Date().getTime() + duration;
        step(); 

        function step() {
          window.scrollBy(0, pxPerFrame);
          if (new Date().getTime() < end) {
            window.setTimeout(step, 1000 / 60);
          } else {
            console.log('done scrolling'); 
          }
        }
      }
    body {
  width: 200px;
}
    <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</p>
<p>Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</p>
<p>
<button onclick="scroll(-5, 3000)">
scroll(-5, 3000)
</button>
</p>
    展开摘要

    — Remdevtec
    source
    1

    我选择了@timwolla答案的@akai版本并返回了stopAnimation函数，因此在开始新动画之前，可以停止旧动画。

    if ( this.stopAnimation )
    this.stopAnimation()

    this.stopAnimation = scrollTo( el, scrollDestination, 300 )


// definitions

function scrollTo(element, to, duration) {
    var start = element.scrollTop,
        change = to - start,
        increment = 20,
        timeOut;

    var animateScroll = function(elapsedTime) {        
        elapsedTime += increment;
        var position = easeInOut(elapsedTime, start, change, duration);                        
        element.scrollTop = position; 
        if (elapsedTime < duration) {
            timeOut = setTimeout(function() {
                animateScroll(elapsedTime);
            }, increment);
        }
    };

    animateScroll(0);

    return stopAnimation

    function stopAnimation() {
        clearTimeout( timeOut )
    }
}

function easeInOut(currentTime, start, change, duration) {
    currentTime /= duration / 2;
    if (currentTime < 1) {
        return change / 2 * currentTime * currentTime + start;
    }
    currentTime -= 1;
    return -change / 2 * (currentTime * (currentTime - 2) - 1) + start;
}
    — 幸运女神
    source
    0

    基于上述解决方案的另一种跨浏览器方法

    function doScrollTo(to, duration) {
    var element = document.documentElement;

        var start = element.scrollTop,
        change = to - start,
        increment = 20,
        i = 0;

    var animateScroll = function(elapsedTime) {
        elapsedTime += increment;
        var position = easeInOut(elapsedTime, start, change, duration);
        if (i === 1 && window.scrollY === start) {
            element = document.body;
            start = element.scrollTop;
        }
        element.scrollTop = position;
        if (!i) i++;
        if (elapsedTime < duration) {
            setTimeout(function() {
                animateScroll(elapsedTime);
            }, increment);
        }
    };

    animateScroll(0);
}

    技巧是控制实际的滚动更改，如果为零，则更改滚动元素。

    — Zdenek Hatak
    source
    -1

    线性滚动动画到底部。纯JS，没有JQuery。也许我的解决方案会对某人有所帮助。

    let action_count = 8;
let speed_ms = 15;
let objDiv = document.getElementsByClassName('js_y5_area3').item(0);

let scroll_height = objDiv.scrollHeight;
let window_height = objDiv.offsetHeight;

let scroll_top = objDiv.scrollTop;
let need_scroll_top = scroll_height - window_height;

if (scroll_top < need_scroll_top)
{
    let step = Math.ceil((need_scroll_top - scroll_top) / action_count);

    let scrollInterval = setInterval(function()
    {
        scroll_top += step;
        objDiv.scrollTop = scroll_top;

        if (scroll_top >= need_scroll_top)
        {
            clearInterval(scrollInterval);
        }

    }, speed_ms);
}

    您可以更改变量action_count，speed_ms以根据自己的喜好配置滚动动画。

    — snickerssss
    source
    -2

    使用此解决方案

    animate(document.documentElement, 'scrollTop', 0, 200);

    谢谢

    — 洛克什·加莫特
    source
    不幸的是，这似乎不是跨浏览器的精通。:(
    — 卢卡斯·摩根
    @LucasMorgan您只需要为“ document.documentElemen”找到正确的dom元素，就像适合您的任何东西一样
    — Lokesh Gamot，
    1
    除非animate()在窗口范围内有一个功能，否则我想您会误会。Element.animate()许多浏览器都无法识别该功能。参见developer.mozilla.org/zh-CN/docs/Web/API/Element/animate
    — Lucas Morgan，
    是的，我误会了。您说的是一个jQuery函数。我假设您不会提出jquery，因为该问题不需要jquery。我的错！
    — 卢卡斯·摩根
    -3

    我看到以上大多数/所有帖子都在搜索带有javascript的按钮。只要您只有一个按钮，此方法就起作用。我建议在按钮内定义一个“ onclick”元素。然后，该“ onclick”将调用导致其滚动的函数。

    如果这样做，则可以使用多个按钮，只要该按钮看起来像这样：

    <button onclick="scrollTo(document.body, 0, 1250)">To the top</button>
    — 用户名
    source
    3
    这不会设置动画。
    — dmackerman '16
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