![](/img/trans.png)
[英]A DIV's style width:“100%” seemingly causes a scroll bar due to lack of fix-width parent DIV
[英]Centering parent div scroll bar, having dynamic width
我有一個父div和一個子canvas,我想將父div的滾動條居中,因為我無法在我的項目中為canvas添加任何樣式。
#parent{ width:80vw; height:200px; border:1px blue solid; overflow-x:scroll; } #parent #child{ width:70vw; border:1px solid black; margin-left:50px; margin-right:50px; }
<div id="parent"> <canvas id="child"> </canvas> </div>
$(document).ready(function(){ var parent = $("#parent"); var child = $("#child"); var final = (child.width() - parent.width()) / 2; parent.scrollLeft(final); console.log(final) });
#parent{ width:90vw; height:200px; border:1px blue solid; overflow-x:scroll; } #parent #child{ width:80vw; border:1px solid black; margin-left:50px; margin-right:50px; }
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script> <div id="parent"> <canvas id="child"> </canvas> </div>
您需要將父級 div 包裹在更高的父級 div 中。
$(document).ready(function(){ var parent = $('#parent'); var parent_sub = $('#parent > #parent_sub'); var final = (parent_sub.width() - parent.width())/2; parent.scrollLeft(final); console.log(final); });
#parent { width:90vw; overflow-x:scroll; height:200px; border:1px blue solid; } #parent_sub { display: table; } #parent #child{ width:80vw; border:1px solid black; margin-left:50px; margin-right:50px; }
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script> <div id="parent"> <div id="parent_sub"> <canvas id="child"> </canvas> </div> </div>
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.