I'm not quite good in javascript or css but I would like to create a home page with an iPhone. When you scroll through the page, the view scroll in the iPhone.
It will be exactly like this one : https://www.happn.com/it/
I have nothing yet and I'm searching for framework or anything that could help me to do it the simpliest way possible.
What you're looking for is something like scrollspy for Bootstrap: http://getbootstrap.com/javascript/#scrollspy
Mostly depending on the scroll position they modify the iPhone graphics. It could be just an animation that they loop forward and backward depending on the the position of the scroll. You take a look at: http://framework7.io/ but I believe it can be done easierly done with an animation.
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I'm a bit frustrated, it seems that i can't find any custom scrollbar lib that will be as smooth as native scrollbar (on mouse wheel scroll) without faking scroll animation by heavy js, i.e that will simply hide native scrollbar and show custom on it's place.
Looks like all of the "simple" scrollbars just listens for wheel event and then jumps by some step, see http://noraesae.github.io/perfect-scrollbar/
I suppose this was fine some years ago when native scrollbars was "jumpy" also, but now Chrome's scroll is smooth.
This one http://noeldelgado.github.io/gemini-scrollbar/ may look like something i'm looking for, but sadly seems to have some issues oversizing or cutting out content.
Any ideas of good solutions, kind sirs?
I just found out about this really cool plugin (new for me, old for some of you maybe) and it works like a charm upon implementation, but only in regular computer browsers. When I try it on my android phone, the css3 animation of the dropdown moves really really choppy, just like its dropping frames. How can I fix this problem?
Here is the plugin I am reffering to:
http://responsive-nav.com/
They seem to have done a really nice job with the plugin, I would say the largest cause of the drop of frame rate may be because you are repainting the entire screen. If you would like, roll your own side navigation but make it go over the existing web page rather than move all the elements on the screen.
EXAMPLES OF SIMPLER MOBILE NAV without repainting
http://fringewebdevelopment.com/
http://www.sony.com/index.shtml
As a further step you can also get rid of the javascript and just do plain CSS and see how that works for you, an example of using checkboxes and labels to control the side nav can be found on my site (just inspect the code) - www.aktof.ca . Hope this helps!
I have been going through this website, I was wondering how to implement a scroll like this. I mean background picture is changing and you can see front image sliding nicely.
Same type of effect I saw at Apple Inc Website. Here if you scroll down, in middle of the page you see an image of iPhone getting separated from a lot and joining another one while scrolling. I just started learning jquery. Can anyone suggest me how to implement this type of animation as I am not sure how to search for such effect. Please, any help is appreciated.
There's another plugin for it, probably a bit more options and designed to work also in old browsers such as IE 9 or IE 8 (OnePageScroll doesn't) and which I believe is essential nowadays.
It is called fullPage.js
I believe it will fit you better.
The Apple website uses functionality similar to OnePageScroll.
I have an issue with jQuery ScrollTo.
It skips and there is a lag when applied to my page.
Here's a link to the jsFiddle example that works and here is the same code applied to my page that does not work.
It might function correctly on some machines but all the machines I have tested this on don't!
Might there be an issue with the amount of images I am using?
Is there anything I can do to overcome this?
The problem there is the background image. On "poor peformances machines", using a full page background image like you did and scrolling is not very efficient.
For instance, my machine at work lags as hell on your page, either using the top menu or regular scrollbar. On the otherhand, my MacBook Pro handles your page perfectly with a smooth feel when using the top menu to scroll.
I tested it using chrome on my machine, and removing the background image using developers tools. It now works perfectly. As soon as I put the background image back, it starts lagging again.
Its a bit jumpy on my machine (your site that is), but one thing i noticed that may help is that it is really nice and smooth smooth if i very quickly click back and fourth between 'Senior Executive' and 'Experienced Hire'.
Is there any callback or some calculation being done before, during or after the scroll perhaps?
I have a web page with a fixed-size layout, it's fine in its current implementation even if it's far from "state of art", but a little too high for a mobile device screen.
Since the "header" part doesn't really matter to anyone, everyone wants to immediately pan / scroll down a little when viewing the page on a mobile device (or, broadly speaking, on a viewport shorter than the page fixed height).
Is there some HTML or JS magic I can do to tell the browser to start displaying the page already-scrolled-down X pixels?
You can try something like links and anchors.
http://www.yourdomain.com/main.html#bottom
If you're using jQuery, you could try scrollTo. You'll need to work out where on the page your target is, though...
Anchors is one solution, but the way I find really nice is to use http://archive.plugins.jquery.com/project/LocalScroll. So use can detect User Agent in Javascript and scroll down in proper place using this plugin.
Cheers!
Not sure anchors would work if you are trying to implement this on the homepage.
If the header is completely pointless in mobile browser this you could use html to detect that a mobile browser is being used then from this load CSS with the header hidden, or load it at the bottom perhaps. If this sounds like a viable option I can post examples.