When does href="javascript:" cause mixed content in IE7?

When does href="javascript:" cause mixed content in IE7?

MSDN开发者_如何学运维 reference

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It doesnt.

Mixed content is when you have both http and https content on your page.

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You should never have to worry about that because you should never be doing that. You should attach events in a non-obtrusive way and Javascript should not be in your mark up.