How to cascade the fancybox pop-up window of javascript-jquery plug-in

The type at the first layer is ifram, the href uses url, the type at the second layer is inline, the content is on the page, the href uses id, and the type at the third layer is also inline, href is a url. when I want to pop up the content specified by this url, the second layer is overwritten. how can this problem be solved? No... the type of the first layer is Ifram, Href uses url; type of Layer 2 is InlineThe content is on the page, href uses id, and the type on the third layer is Inline, Href is a url. when I want to pop up the content specified by this url, the second layer is overwritten. how can this problem be solved? Do not overwrite it

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The type of the first layer isIfram, Href uses url; type of Layer 2 isInlineThe content is on the page, href uses id, and the type on the third layer isInline, Href is a url. when I want to pop up the content specified by this url, the second layer is overwritten. how can this problem be solved? Do not overwrite it