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This article mainly introduces the relevant knowledge of "what are the skills for the use of iFrame". The editor shows you the operation process through actual cases, the method of operation is simple and fast, and it is practical. I hope this article "what are the skills for the use of iFrame" can help you solve the problem.

1. As the bottom cover of the pop-up layer

If you have done that kind of black mask to cover the entire page, and it happens that the user is using IE6, and more coincidentally, there is a select element on the page, then you will have a headache (the principle will not be repeated here). We'll find that the pop-up DIV can't cover the select, and it's our iframe's turn. The logic is as follows:

Put in the iframe at the same level as the pop-up div

Ensure that the z-index of iframe is less than the divz-index of bullet layer.

Add windowresize and scroll events to ensure that iframe can cover the entire page

Variframe=U.isie6 ()?':''

$container.append (iframe) .appendTo ($body)

two。 Cross-domain writing to cookie

There are two domain, a.com and b.com. Under some conditions, some of the functions of b appear on the a page. Sometimes you need to do something on b.comdomain 's cookie when you need to manipulate a page to make it easier for users to visit next time. We just need to add an iframe (dynamic or fixed) to page a, and the src attribute points to a proxy page of b, where we can perform a cookie operation.

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