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HTML-Hiding Divs before the page is loaded?

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[前端(javascript) 所属分类 前端(javascript) | 发布者 店小二05 | 时间 2018 | 作者 红领巾 ] 0人收藏点击收藏

I have a HTML document where the body contains dozens of divs, all listed sequentially. (It's a layout of small screenshots.)

The appearance and layout of each div is handled by CSS.

I wish to selectively hide some divs, depending on some state values. A javascript function "hideSomeDivs()" has been create to do this. (The function iterates over all divs, setting each element's style.display property to "none" as required.)

The problem: calling hideSomeDivs() function from will be too late: the page is already loaded and the visual changes will not be displayed. The original layout is maintained.

Q.how/where can I call this function such that the affected divs will be hidden, and all layout adjusted accordingly? Thanks.

Further information:

apart from javascript interactivity, the page is static (i.e. there's no server-side processing available).

also, I'm trying to avoid any "pop" where elements are shown/hidden after the page is loaded and drawn to the window.

also, I need for the layout to be re-evaluated and re-drawn. e.g. if I hide divs 1 to 4, but show div 5, then div 5 should appear at the top of the page.

Think about it the other way round - hide all your divs by default, and then use the javascript to show them as needed.

Of course you could just eliminate the need for the javascript if you have a server side language (i.e.php, ASP.NET) that is constructing the page, then you can just set their hidden state correctly to begin with.

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