However the heading of this article should have been “Parallax Background Fixed Position: CSS only”. ![]() then jquery was implemented to even make it “wicked” It is already supported in IE9 and Android 2.1. setting base styles to image containersĪ quick check regarding browser support on MDN shows almost global compatibility. Let's have a quick check on the actual implementation: This leads to the nice visual parallax effect. ![]() This means that the image will stay visually on the same position no matter how much scrolling will be done. fixed defines that the background image position is not fixed to the depending element but rather fixed to the viewport. It gets interesting by setting the background-attachment to fixed. The user scrolls on a website and elements are moving up and down and so do the background images. There is nothing fancy about that and we all know this behavior. The initial value of the property is scroll, which basically means that the image position is fixed to its element. By defining background-attachment the behavior and positioning of any background image can be changed. These elements additionally need to have defined background-attachment: fixed. To get this parallax effect, background images have to be placed on different elements. See the Pen Parallax with background-attachment : fixed by Stefan Judis ( on CodePen. What only a few people may know, is that this effect can be achieved via CSS, too. In short: parallax done with JavaScript can decrease the scrolling performance of a website quite quickly. To move the mentioned layers, background positions of images get calculated and set to the depending elements, which then additionally causes a lot of DOM manipulations. This leads to tons of events being handled via JavaScript (handling the scroll event can easily cause performance issues and should be considered carefully). These plugins mostly attach an event handler to the scroll event of the window object. Doing this unfortunately has a few disadvantages. And also note that the parallax background won't work on iPhone as iOS browser does not support the background-attachment: fixed property that is used for parallax.In web design, the most common way to achieve this is by simply adding a jQuery plugin to a website. You can try to edit the code manually but we do not support such custom modifications. There is no possibility to switch on this option for mobile devices. > Please note you can add custom CSS code for this in Site settings. But at this moment we can't say whether this option will be implemented or not and when. > Ok, we added your request to our wishlist. Thank you, I will add custom css for other project.īut I hope in the future you will implement it again :) Please note you can add custom CSS code for this in Site settings. ![]() Ok, we added your request to our wishlist. > Please subscribe to our YouTube channel: > Please note, we turned off the parallax effect in mobile devices because the performance on these devices is limited I suggest to use only css instead of JS :) Using bootstrap parallax work well on any device (smartphone / desktop). Using normal css I think there is no performance problem (just CSS, not JS for smooth scroll parallax). Please subscribe to our YouTube channel: ĭo you plan to implement this function again on smartphone? Please note, we turned off the parallax effect in mobile devices because the performance on these devices is limited I'm developing on a Windows Laptop and I used parallax effect for the backgrpound of a section of my website. I try to fix but the attached JS still coming out. I think the problem is some JS for the "smooth" parallax effect, I suggest to use pure css for parallax (no JS). When I open my website from an android smartphone it doesn't work, it still fixed like a normal background. On computer it dorks perfectly, also on Google Chrome with smartphone mode on (parallax still work great).
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