怎么锁定可视区域？_html/css_WEB-ITnose

打开遮罩

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关闭

点击打开遮罩时，可视区变色并且锁定，滚动条不能下拉

回复讨论(解决方案)

打开遮罩点击打开遮罩时，可视区变色并且锁定，滚动条不能下拉
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关闭