发布于 2021-03-16 07:01:48
prop.solution:
let cdtGraphDiv = document.getElementById('cdtGraphDiv');
cdtGraphDiv.innerHTML = '';
cdtGraphDiv.append('<canvas id="cdtGraphview"><canvas>');
<div id="cdtGraphDiv">
<canvas id="cdtGraphview"></canvas>
</div>我在div中删除并重新创建画布。这个很好用。和我仍然不知道为什么会有两个画布.
https://stackoverflow.com/questions/66596981
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