在做table 时, drag cell 是空的当还没有 hover 时.
原理我不懂, workaround 是 vertical-align: top;
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
body {
margin: 10px;
}
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
.parent {
font-size: 16px;
display: inline-flex;
width: 100%;
border: 1px solid red;
/* vertical-align: top; */
}
.child {
height: 20px;
}
</style>
</head>
<body>
<div class="parent">
<div class="child">
</div>
</div>
<div class="parent">
<div class="child">
</div>
</div>
</body>
</html>
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