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Topbar covering webpage header

I'm making a website and want a navigation bar that stays at the top of the screen. I can do this fine but when I scroll to top it goes above header. How do I get it to stop scrolling with the user before the top of the page? I have watched countless tutorials but none seem to work. I think I need JavaScript to unstick the bar at a certain height, but unsure how. Also how do I restick it when the user scrolls back down?

Yes, you will need JavaScript to handle this. It is not too complicated, but you will basically need to add an event handler for the scroll event on the window, and inside the handler you can check the scrollTop of the window to see how much has been scrolled. When it has been scrolled "enough" (usually the height of your header) you can then switch the position of the header to fixed.
You can see a demo about it on the excellent CSS Tricks, and there are many tutorials and plugins that can help with this.

Yes, as danwellman said, you need js.
I have a small code I used in my webpage.
// Highlight the top nav as scrolling occurs
$('body').scrollspy({
target: '.navbar-fixed-top',
offset: 51
});
You need a file like "scrolling-nav.js" or anything you prefer. And in your html, don't forget to call it.
// In the end or in the beggining you call your js file
<script src="...(filepath)/scrolling-nav.js"></script>
There are many more cool possible snippets you can find. This is really to keep the navbar fixed after the offset of '51'. You can also add the smoothed movement to the webpage section after selecting a menu button.. If you have a onepage website, for example. This would also be js.
Good luck. :)

Hamburger menu loads outside viewport, reappears randomly

So I have a website that has a hamburger menu on mobile.
The problem is that whenever the page loads on a small device, the hamburger menu is way outside the view port to the right. This causes side scrolling issues and tons of white space.
I originally assumed I had written some css that was causing this, but after experimenting, I've come to realize that I do not know what is going on at all.
I have Gifs of the problem. I will also provide a URL if needed.
Heres the first gif
https://gfycat.com/GiftedPlaintiveEgret
So heres what is happening. I am inspecting the DOM of the webpage. If you pick any random element on the page, and edit a CSS attribute, then the menu fixes itself. It doesn't matter what element you select or what css attribute you edit; when you make an adjustment the problem is fixed.
Here is the second gif
https://gfycat.com/EasyIllustriousBlackbear
In this gif, the issue is literally fixed just by activating a CSS plugin called pesticide. Pesticide simply adds another external css sheet to the document that outlines everything in blue. Notice that even when I turn off pesiticde, my issue has been fixed.
And finally the third gif
https://gfycat.com/ContentRepentantBeetle
This is the most perplexing issue. It fixes the hamburger icon simply by resizing my browser screen. Obviously mobile users cant do this.
I truly don't understand this issue. I've tried to set a width of 100% on the nav element. I've written some javascript that when the DOM is ready, to add a css attribute to a a DIV in the footer and then remove it after a few seconds. This does not fix my issue. I would happily provide the javascript I wrote if requested.
Has anyone else ever had an issue like this?
EDIT
Here is another example. I use the browser Blisk to test my sites on multiple devices. Look at this
https://gfycat.com/BouncyFlakyGlobefish
When I first load up the site, I have my hamburger menu issue. When I tell the browser to view the site from a different device 'say switching from iphone 5 to iphone 6' it fixes the issue. I am so frustrated with this problem.

The white section's animation is increasing the width of the page (pushing the hamburger which is fixed to the right out of view), I'm not certain why this doesn't update properly after the animation is complete, but it would appear it requires a page re-flow before working correctly.
A possible CSS fix would be to add .bodymargins{overflow:hidden} though this may cause problems to other styling (untested on your site)
If this isn't an option, you could manually trigger a re-flow of the page shortly after loading (this is a slightly nasty option, but is better than it being broken)
Various re-flow options available here

It may be because you are using media queries and your browser width is not yet small enough for them to fire when you test.
If not, make the media queries and don't use the margin-left:auto for the smaller screen size?

Content Filter Is Jumping When Button Is Clicked

There was a similar question asked on here (not enough information was given) so no real solution was presented. I am using MixItUp to filter content within a framework (Foundation) based on a button being clicked. I noticed a weird movement that happens when a button is clicked. I have uploaded the files to be viewed here
http://cantaloupecreative.info/filter-code-snippet/

After the animation fires, I see page elements jump to the right a bit. If that's what you're referring to, take a look at the scroll bar. When there aren't enough elements on the page, the scroll bar disappears and everything re-centers, which is likely what you're seeing. You can avoid this by permanently enabling or disabling the scroll bar with CSS
overflow-y: scroll;
or something similar.

Okay here is what I uncovered in my search for a solution. WebKit is overriding the css change I am making to my body class. You cannot use overflow-y in chrome because of this. Now when I was making the change to my sass file it wasn't compiling correctly. After hardcoding the webkit fix into my stylesheet I was able to remove the scrollbar on all toggled divs with the following code.
::-webkit-scrollbar {
display:none
}
Obviously this only fixes half of the problem because now I am without a scrollbar. But it atleasts fixes the hoping issue.

rdio Player Footer Slider

Im trying to recreate the script that rdio (http://rdio.com) has created for their player footer. when you click on footer, a panel slides up nicely and to reveal more content. another example is by teehan lax; the top dropdown http://www.teehanlax.com/ but theirs doesn't support firefox properly.
I came across this snippet, http://www.dynamicdrive.com/dynamicindex17/dddropdownpanel.htm
But its not clean as rdio's or teehan.
any thoughts on library they might using?

We're just using basic CSS transitions, and adding and removing classes. The z-index of the bottom bar is set such that it appears in front of everything else, and the class changes control how the content is changed.
You can accomplish the same height changes with jQuery quite easily, as described here: https://stackoverflow.com/a/4965097/1309238

Prevent Body Element From Scrolling On Touch Devices

The Problem:
I have a web application on the iOS homescreen so there is no browser window and it looks and functions very well. I've figured out how to make inner div elements do the touch scrolling events and use the momentum/bounce style in iOS, and that works perfectly... the issue I run into now is that the bounce scrolling (again, iOS-only) is messing up any fixed elements or site-related animations I have on the page.
When I try the following:
document.ontouchmove = function(e) {e.preventDefault()};
The issue stops, but now I can't scroll anywhere on my application.
What I Need:
I want the body to be completely locked in place... If someone grabs, say, my sidebar or navbar and then pulls on the page, the body bounces! But if someone is inside the content area, there is no issue at all--the application scrolls flawlessly and looks great. If I stop scrolling on the sidebar or navbar or body, all scrolling in the application will not working and is essentially nonfunctional.
tl;dr: Body bounces on scroll. I want a scrolling content area and no scroll anywhere else. The body should NEVER move, but elements I deem scrollable within the body should.
As a sidenote, I've browser the following popular questions/solutions posted (among many others):
1
2
3
I just wanted to post that up before people assumed I didn't do any searching... I've been at this for hours now and have seen even more solutions than posted above, but I wanted to get the most popular ones listed above so no one thought this was a duplicate question.

I figured this out a few days ago and have this handy jsbin set up to demonstrate what I did to make this work:
My Working jsbin Example
When you open this link on an iPad, the text should be scrollable. Try tugging around the rest of the screen when there is no current touchmove event currently working.
If you play around with it, you'll notice that only the inner textfield moves as expected. This is determined by putting my .scrollable class within the .container class. The .scrollable class takes up the full height of it's parent container.
Now make the container a larger height, like height: 500px. The goal here is to make it large enough to have no overflow yet small enough to have other whitespace on the iPad still. Try scrolling it or pulling it... No touchmove events are fired and the screen stays in place.
My JS determines if an object has overflow after being touched. If it does, it scrolls. If it does not, it does not send a scroll event.
Play with it and let me know if I can provide any better examples and also if you run into any bugs... Right now the only one I know of is if you're really trying to break it and start tugging around the site while a current touchmove event is being fired, or the page is first loading... I wouldn't count those as "bugs", but if you can find a fix for those too, I'm all ears!