我有一个滚动的div，我想有一个事件，当我点击它，它将迫使这个div滚动查看里面的一个元素。 我这样写它的JavasSript:
document.getElementById(chr).scrollIntoView(true);
但这在滚动div本身的同时滚动整个页面。 如何解决这个问题?
我想这样说: MyContainerDiv.getElementById(杆).scrollIntoView(真正的);
当前回答
用户动画滚动
下面是一个如何在没有JQuery的情况下以编程方式横向滚动<div>的示例。要垂直滚动，可以将JavaScript对scrollLeft的写入替换为scrollTop。
JSFiddle
https://jsfiddle.net/fNPvf/38536/
HTML
<!-- Left Button. -->
<div style="float:left;">
<!-- (1) Whilst it's pressed, increment the scroll. When we release, clear the timer to stop recursive scroll calls. -->
<input type="button" value="«" style="height: 100px;" onmousedown="scroll('scroller',3, 10);" onmouseup="clearTimeout(TIMER_SCROLL);"/>
</div>
<!-- Contents to scroll. -->
<div id="scroller" style="float: left; width: 100px; height: 100px; overflow: hidden;">
<!-- <3 -->
<img src="https://cdn.sstatic.net/Sites/stackoverflow/company/img/logos/so/so-logo.png?v=9c558ec15d8a" alt="image large" style="height: 100px" />
</div>
<!-- Right Button. -->
<div style="float:left;">
<!-- As (1). (Use a negative value of 'd' to decrease the scroll.) -->
<input type="button" value="»" style="height: 100px;" onmousedown="scroll('scroller',-3, 10);" onmouseup="clearTimeout(TIMER_SCROLL);"/>
</div>
JavaScript
// Declare the Shared Timer.
var TIMER_SCROLL;
/**
Scroll function.
@param id Unique id of element to scroll.
@param d Amount of pixels to scroll per sleep.
@param del Size of the sleep (ms).*/
function scroll(id, d, del){
// Scroll the element.
document.getElementById(id).scrollLeft += d;
// Perform a delay before recursing this function again.
TIMER_SCROLL = setTimeout("scroll('"+id+"',"+d+", "+del+");", del);
}
这要归功于Dux。
自动动画滚动
此外，这里还有用于将<div>完全向左和向右滚动的函数。这里我们唯一改变的是，在再次递归调用滚动之前，检查是否已经使用了滚动的完整扩展。
JSFiddle
https://jsfiddle.net/0nLc2fhh/1/
HTML
<!-- Left Button. -->
<div style="float:left;">
<!-- (1) Whilst it's pressed, increment the scroll. When we release, clear the timer to stop recursive scroll calls. -->
<input type="button" value="«" style="height: 100px;" onclick="scrollFullyLeft('scroller',3, 10);"/>
</div>
<!-- Contents to scroll. -->
<div id="scroller" style="float: left; width: 100px; height: 100px; overflow: hidden;">
<!-- <3 -->
<img src="https://cdn.sstatic.net/Sites/stackoverflow/company/img/logos/so/so-logo.png?v=9c558ec15d8a" alt="image large" style="height: 100px" />
</div>
<!-- Right Button. -->
<div style="float:left;">
<!-- As (1). (Use a negative value of 'd' to decrease the scroll.) -->
<input type="button" value="»" style="height: 100px;" onclick="scrollFullyRight('scroller',3, 10);"/>
</div>
JavaScript
// Declare the Shared Timer.
var TIMER_SCROLL;
/**
Scroll fully left function; completely scrolls a <div> to the left, as far as it will go.
@param id Unique id of element to scroll.
@param d Amount of pixels to scroll per sleep.
@param del Size of the sleep (ms).*/
function scrollFullyLeft(id, d, del){
// Fetch the element.
var el = document.getElementById(id);
// Scroll the element.
el.scrollLeft += d;
// Have we not finished scrolling yet?
if(el.scrollLeft < (el.scrollWidth - el.clientWidth)) {
TIMER_SCROLL = setTimeout("scrollFullyLeft('"+id+"',"+d+", "+del+");", del);
}
}
/**
Scroll fully right function; completely scrolls a <div> to the right, as far as it will go.
@param id Unique id of element to scroll.
@param d Amount of pixels to scroll per sleep.
@param del Size of the sleep (ms).*/
function scrollFullyRight(id, d, del){
// Fetch the element.
var el = document.getElementById(id);
// Scroll the element.
el.scrollLeft -= d;
// Have we not finished scrolling yet?
if(el.scrollLeft > 0) {
TIMER_SCROLL = setTimeout("scrollFullyRight('"+id+"',"+d+", "+del+");", del);
}
}
其他回答
假设有一个div元素需要在里面滚动，试试这段代码
document.querySelector (div) .scroll (x, y)
这与我在一个带滚动的div中工作，这应该与你一起工作，以防你将鼠标指向这个元素，然后试图向下或向上滚动。如果它手动工作，它也应该工作
原生JS，跨浏览器，平滑滚动(更新2020)
设置ScrollTop确实可以得到想要的结果，但是滚动非常突然。使用jquery来平滑滚动不是一个选择。因此，这里有一种支持所有主流浏览器的本机方式来完成工作。参比犬
// get the "Div" inside which you wish to scroll (i.e. the container element)
const El = document.getElementById('xyz');
// Lets say you wish to scroll by 100px,
El.scrollTo({top: 100, behavior: 'smooth'});
// If you wish to scroll until the end of the container
El.scrollTo({top: El.scrollHeight, behavior: 'smooth'});
就是这样!
And here's a working snippet for the doubtful - document.getElementById('btn').addEventListener('click', e => { e.preventDefault(); // smooth scroll document.getElementById('container').scrollTo({top: 175, behavior: 'smooth'}); }); /* just some styling for you to ignore */ .scrollContainer { overflow-y: auto; max-height: 100px; position: relative; border: 1px solid red; width: 120px; } body { padding: 10px; } .box { margin: 5px; background-color: yellow; height: 25px; display: flex; align-items: center; justify-content: center; } #goose { background-color: lime; } <!-- Dummy html to be ignored --> <div id="container" class="scrollContainer"> <div class="box">duck</div> <div class="box">duck</div> <div class="box">duck</div> <div class="box">duck</div> <div class="box">duck</div> <div class="box">duck</div> <div class="box">duck</div> <div class="box">duck</div> <div id="goose" class="box">goose</div> <div class="box">duck</div> <div class="box">duck</div> <div class="box">duck</div> <div class="box">duck</div> </div> <button id="btn">goose</button>
更新:正如你在评论中看到的，IE11似乎不支持Element.scrollTo()。所以如果你不关心IE11(你真的不应该，微软将在2022年6月退休IE11)，请在你所有的项目中使用它。注意，支持Edge!所以你并没有真正离开你的Edge/Windows用户;)
参考
我们可以在不使用JQuery和其他库的情况下解决这个问题。
为此，我编写了以下代码:
你有相似的结构，>
<div class="parent">
<div class="child-one">
</div>
<div class="child-two">
</div>
</div>
JS:
scrollToElement() {
var parentElement = document.querySelector('.parent');
var childElement = document.querySelector('.child-two');
parentElement.scrollTop = childElement.offsetTop - parentElement.offsetTop;
}
我们可以很容易地重写这个方法，以参数的形式传递父和子
方法1 -平滑滚动到元素中的元素
var box = document.querySelector('.box'), targetElm = document.querySelector('.boxChild'); // <-- Scroll to here within ".box" document.querySelector('button').addEventListener('click', function(){ scrollToElm( box, targetElm , 600 ); }); ///////////// function scrollToElm(container, elm, duration){ var pos = getRelativePos(elm); scrollTo( container, pos.top , 2); // duration in seconds } function getRelativePos(elm){ var pPos = elm.parentNode.getBoundingClientRect(), // parent pos cPos = elm.getBoundingClientRect(), // target pos pos = {}; pos.top = cPos.top - pPos.top + elm.parentNode.scrollTop, pos.right = cPos.right - pPos.right, pos.bottom = cPos.bottom - pPos.bottom, pos.left = cPos.left - pPos.left; return pos; } function scrollTo(element, to, duration, onDone) { var start = element.scrollTop, change = to - start, startTime = performance.now(), val, now, elapsed, t; function animateScroll(){ now = performance.now(); elapsed = (now - startTime)/1000; t = (elapsed/duration); element.scrollTop = start + change * easeInOutQuad(t); if( t < 1 ) window.requestAnimationFrame(animateScroll); else onDone && onDone(); }; animateScroll(); } function easeInOutQuad(t){ return t<.5 ? 2*t*t : -1+(4-2*t)*t }; .box{ width:80%; border:2px dashed; height:180px; overflow:auto; } .boxChild{ margin:600px 0 300px; width: 40px; height:40px; background:green; } <button>Scroll to element</button> <div class='box'> <div class='boxChild'></div> </div>
方法2 -使用Element.scrollIntoView:
请注意，浏览器支持并不适合这个版本
var targetElm = document.querySelector('.boxChild'), // reference to scroll target button = document.querySelector('button'); // button that triggers the scroll // bind "click" event to a button button.addEventListener('click', function(){ targetElm.scrollIntoView() }) .box { width: 80%; border: 2px dashed; height: 180px; overflow: auto; scroll-behavior: smooth; /* <-- for smooth scroll */ } .boxChild { margin: 600px 0 300px; width: 40px; height: 40px; background: green; } <button>Scroll to element</button> <div class='box'> <div class='boxChild'></div> </div>
方法3 -使用CSS滚动行为:
.box { 宽度:80%; 边框:2px虚线; 身高:180 px; overflow-y:滚动; scroll-behavior:光滑;/* <——*/ ｝ # boxChild { Margin: 600px 0 300px; 宽度:40像素; 高度:40像素; 背景:绿色; ｝ <a href='#boxChild'>滚动到元素</a> < div class =“盒子”> < div id =“boxChild”> < / div > < / div >
用户动画滚动
下面是一个如何在没有JQuery的情况下以编程方式横向滚动<div>的示例。要垂直滚动，可以将JavaScript对scrollLeft的写入替换为scrollTop。
JSFiddle
https://jsfiddle.net/fNPvf/38536/
HTML
<!-- Left Button. -->
<div style="float:left;">
<!-- (1) Whilst it's pressed, increment the scroll. When we release, clear the timer to stop recursive scroll calls. -->
<input type="button" value="«" style="height: 100px;" onmousedown="scroll('scroller',3, 10);" onmouseup="clearTimeout(TIMER_SCROLL);"/>
</div>
<!-- Contents to scroll. -->
<div id="scroller" style="float: left; width: 100px; height: 100px; overflow: hidden;">
<!-- <3 -->
<img src="https://cdn.sstatic.net/Sites/stackoverflow/company/img/logos/so/so-logo.png?v=9c558ec15d8a" alt="image large" style="height: 100px" />
</div>
<!-- Right Button. -->
<div style="float:left;">
<!-- As (1). (Use a negative value of 'd' to decrease the scroll.) -->
<input type="button" value="»" style="height: 100px;" onmousedown="scroll('scroller',-3, 10);" onmouseup="clearTimeout(TIMER_SCROLL);"/>
</div>
JavaScript
// Declare the Shared Timer.
var TIMER_SCROLL;
/**
Scroll function.
@param id Unique id of element to scroll.
@param d Amount of pixels to scroll per sleep.
@param del Size of the sleep (ms).*/
function scroll(id, d, del){
// Scroll the element.
document.getElementById(id).scrollLeft += d;
// Perform a delay before recursing this function again.
TIMER_SCROLL = setTimeout("scroll('"+id+"',"+d+", "+del+");", del);
}
这要归功于Dux。
自动动画滚动
此外，这里还有用于将<div>完全向左和向右滚动的函数。这里我们唯一改变的是，在再次递归调用滚动之前，检查是否已经使用了滚动的完整扩展。
JSFiddle
https://jsfiddle.net/0nLc2fhh/1/
HTML
<!-- Left Button. -->
<div style="float:left;">
<!-- (1) Whilst it's pressed, increment the scroll. When we release, clear the timer to stop recursive scroll calls. -->
<input type="button" value="«" style="height: 100px;" onclick="scrollFullyLeft('scroller',3, 10);"/>
</div>
<!-- Contents to scroll. -->
<div id="scroller" style="float: left; width: 100px; height: 100px; overflow: hidden;">
<!-- <3 -->
<img src="https://cdn.sstatic.net/Sites/stackoverflow/company/img/logos/so/so-logo.png?v=9c558ec15d8a" alt="image large" style="height: 100px" />
</div>
<!-- Right Button. -->
<div style="float:left;">
<!-- As (1). (Use a negative value of 'd' to decrease the scroll.) -->
<input type="button" value="»" style="height: 100px;" onclick="scrollFullyRight('scroller',3, 10);"/>
</div>
JavaScript
// Declare the Shared Timer.
var TIMER_SCROLL;
/**
Scroll fully left function; completely scrolls a <div> to the left, as far as it will go.
@param id Unique id of element to scroll.
@param d Amount of pixels to scroll per sleep.
@param del Size of the sleep (ms).*/
function scrollFullyLeft(id, d, del){
// Fetch the element.
var el = document.getElementById(id);
// Scroll the element.
el.scrollLeft += d;
// Have we not finished scrolling yet?
if(el.scrollLeft < (el.scrollWidth - el.clientWidth)) {
TIMER_SCROLL = setTimeout("scrollFullyLeft('"+id+"',"+d+", "+del+");", del);
}
}
/**
Scroll fully right function; completely scrolls a <div> to the right, as far as it will go.
@param id Unique id of element to scroll.
@param d Amount of pixels to scroll per sleep.
@param del Size of the sleep (ms).*/
function scrollFullyRight(id, d, del){
// Fetch the element.
var el = document.getElementById(id);
// Scroll the element.
el.scrollLeft -= d;
// Have we not finished scrolling yet?
if(el.scrollLeft > 0) {
TIMER_SCROLL = setTimeout("scrollFullyRight('"+id+"',"+d+", "+del+");", del);
}
}
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