as shown in figure
the parent div is position:relative,4, and the child div is absolute,. When the parent height is auto, how to use the child div height to prop up the parent div?
.
as shown in figure
the parent div is position:relative,4, and the child div is absolute,. When the parent height is auto, how to use the child div height to prop up the parent div?
.
absolute are separated from the document stream, and
can only be achieved by JS
you try to give the parent div setting: overflow:hidden;
verification, reply me if you can.
then you can use js to get this height in a div, in the parent div, and then set a box-sizing:border-box;
out of the document stream to the parent div. It doesn't work if the parent writes auto .
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