如何将两个画布放在另一个之上？ [英] How to place two canvases on top of one another?

问题描述

我发现了类似的主题，但他们都使用绝对定位，将画布放在页面的左上角。我有他们包含在一个div，但我不知道如何让他们正确层。我尝试在CSS中使用绝对和相对定位，但我没有任何运气。

I found similar topics but they all used absolute positioning which placed the canvases at the top left of the page. I have them contained within a div but I'm not sure exactly how to get them to layer properly. I tried using absolute and relative positioning in CSS but I wasn't having any luck.

推荐答案

Do this:

<style>
    #container { position: relative; }
    .canvas { position: absolute; top: 0; left: 0; }
</style>

<div id="container">
    <canvas class="canvas" id="canvas1"></canvas>
    <canvas class="canvas" id="canvas2"></canvas>
</div>

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