skrollr | alone parallax scrolling library for mobile ( Android + iOS | Animation library

 by   Prinzhorn HTML Version: 0.6.26 License: MIT

kandi X-RAY | skrollr Summary

kandi X-RAY | skrollr Summary

skrollr is a HTML library typically used in User Interface, Animation applications. skrollr has no bugs, it has no vulnerabilities, it has a Permissive License and it has medium support. You can download it from GitHub.

Stand-alone parallax scrolling JavaScript library for mobile (Android, iOS, etc.) and desktop in about 12k minified. Designer friendly. No JavaScript skills needed. Just plain CSS and HTML. First of all: look at the [examples and read the source ;-)] This might give you a feeling of how stuff works and you can see how some patterns can be implemented. First of all you want to include the skrollr.min.js file at the bottom of your document (right before the closing ) and then call skrollr.init(). Or you can place it inside the if you want to, but make sure to call init() once the document has been loaded (e.g. jQuery’s ready event or even window.onload). If you are using require.js to structure your project, you can use skrollr as a module as well. If you’re familiar with CSS, you already know the style attribute. In order to create an animation you would need several, at least two, of them. That’s what skrollr does. You use the HTML5 data- attributes to define multiple sets of styles (we call each of them keyframe) and skrollr interpolates between them.
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            kandi-support Support

              skrollr has a medium active ecosystem.
              It has 18568 star(s) with 3526 fork(s). There are 720 watchers for this library.
              OutlinedDot
              It had no major release in the last 12 months.
              There are 243 open issues and 533 have been closed. On average issues are closed in 111 days. There are 19 open pull requests and 0 closed requests.
              It has a neutral sentiment in the developer community.
              The latest version of skrollr is 0.6.26

            kandi-Quality Quality

              skrollr has 0 bugs and 0 code smells.

            kandi-Security Security

              skrollr has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
              skrollr code analysis shows 0 unresolved vulnerabilities.
              There are 0 security hotspots that need review.

            kandi-License License

              skrollr is licensed under the MIT License. This license is Permissive.
              Permissive licenses have the least restrictions, and you can use them in most projects.

            kandi-Reuse Reuse

              skrollr releases are not available. You will need to build from source code and install.
              Installation instructions are not available. Examples and code snippets are available.

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            skrollr Key Features

            No Key Features are available at this moment for skrollr.

            skrollr Examples and Code Snippets

            No Code Snippets are available at this moment for skrollr.

            Community Discussions

            QUESTION

            vanilla javascript image zoom scroll effect
            Asked 2021-May-11 at 12:55

            I'm trying to recreate this simple jquery image zoom scroll effect in vanilla javascript with no success: I'm looking online and all tutorials seems to use jquery or skrollr library which is not being supported since 2014. This is a tutorial of this effect on youtube: https://www.youtube.com/watch?v=hjeS8HxH3k0

            ...

            ANSWER

            Answered 2021-May-11 at 12:55

            There is no property scrollTop for the window object. Use document.documentElement:

            Source https://stackoverflow.com/questions/67486943

            QUESTION

            How to calculate the speed of an animation in seconds based on current pageYOffset and previousPageYOffset?
            Asked 2020-Dec-20 at 16:26

            I'm trying to rotate a wheel based on user interaction. If the user is accelerating his scroll, the wheel should spin faster. Likewise, if the user is decelerating his scroll, the wheel should stop. I'm applying these conditions with styled-components and React state, using the Skrollr library.

            Here is what I have:

            ...

            ANSWER

            Answered 2020-Dec-20 at 16:26

            Here's my attempt:

            The first problem for me was that the code was executing as the input was coming in. Felt it needed some little time delay for the function to calculate. We'll do that with a setTimeout.

            Second: yup, you're right. We need a math/trig-like function that will give a value close to zero for very small values, and a value close to 1 for increasing values.

            Third is...well, this was more of a personal thing — wasn't sure if this was intentional, but I noticed that the spinBack function wouldn't work once you'd scrolled to the top (i.e. window.pageYOffset = 0). So, instead of scroll eventListener, I used wheel eventListener — this way, I could use the deltaY property to see by how much it changed.

            Fourth, I set the speed to be a function of distance covered by time.

            Finally: the CSS speed thing was counter-intuitive for me at first — for some reason, the higher the value the slower it rotated! I kept wondering what was wrong till I realised my silly error!😅

            Wrapping it all up, I'll only paste the sections I changed (I've put comments where I made changes):

            Source https://stackoverflow.com/questions/65264259

            QUESTION

            Absolutely positioning an element along a path based on scroll position
            Asked 2020-Dec-07 at 18:49

            I'm trying to position a div element over a sine wave that is used as its path. As the user scrolls, the callback should be able to calculate the left and top properties of the Ball along the sine wave. I'm having trouble with the positioning. I'm using Math.abs for the y-axis and I'm adding 8 (or -8) pixels to handle the x-axis.

            Another thing I've noticed is that the scroll event listener callback sometimes missed certain breakpoints. I've console logged the scroll position and its true, the callback is either executed every ~3 pixels or the browser throttles the scroll event on its own for some reason (which I can understand, there's no point in tracking every pixel scroll).

            Anyway, I'm wondering why my current approach isn't working and if there's a better solution to this problem? I feel like there's too much stuff going on and that this could be achieved in a better way. Here's what I have:

            ...

            ANSWER

            Answered 2020-Dec-07 at 18:38

            If you can support offset-path (not available on IE or Safari, apparently), I would strongly suggest moving as much of this as you can to CSS and SVG based animation. Here is a vanilla JS example - the only thing you actually have to calculate here is what percent along you want the animation to be, which could be based on any arbitrary scroll criteria:

            Source https://stackoverflow.com/questions/65185570

            QUESTION

            Why isn't my navbar fixed in it's position?
            Asked 2020-Apr-12 at 23:34

            I've made a diagonal scroll page but when I applied the plugin to make it scroll this way the navbar was not fixed anymore, plus my sections aren't centered, I mean they're displayed vertically instead of diagonally, I don't know how to display them that way, any solutions? My top priority is the navbar, but if I can fix both things in one question, even better. Thanks SO community!

            ...

            ANSWER

            Answered 2020-Apr-12 at 23:34

            There were a few issues with your css. The first is that you had multiple declarations for nav link attributes. I grouped them and adjusted them (more later) I also tidied your css to put your css in order: nav links first then nav links li then nav links li a etc, because css is read in that order. You had display:flex; and position:absolute in one css class - these conflict, and i removed the absolute positioning.

            What was really throwing out your ul however, making the links non-viewable, was the translateX - translating your links by 100% was moving your links out of sight. I commented this out. As-is (now) your links display, animate on hover, and scroll-to the appropriate section when clicked. One more note: you had two semi-colons after the urls in your sections. I corrected this both in your posted code and snippet code.

            Hope this helps

            Source https://stackoverflow.com/questions/61178420

            QUESTION

            Recreating a parallax zoom effect with SVG Image mask
            Asked 2020-Feb-16 at 17:16

            I'm trying to recreate the effect found at the bottom of this page where the words "REFORM CO" Zoom in to reveal a background image with a headline.

            I attempted to recreate this effect myself using skrollr but I've hit a wall. ideally I'd like the SVG to be smaller and centered in the mask and for the video to stay fixed until the mask disappears just like the REFORM CO example.

            Here's my HTML and the link to my attempt: https://jsfiddle.net/uex526qs/1/

            ...

            ANSWER

            Answered 2020-Feb-16 at 17:16
            1. You can make an element stay fixed relative to the browser window using position: fixed.

            2. To make your mask scale relative to the element it is aplied to, use:

            Source https://stackoverflow.com/questions/60215483

            Community Discussions, Code Snippets contain sources that include Stack Exchange Network

            Vulnerabilities

            No vulnerabilities reported

            Install skrollr

            You can download it from GitHub.

            Support

            For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .
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            Install
          • npm

            npm i skrollr

          • CLONE
          • HTTPS

            https://github.com/Prinzhorn/skrollr.git

          • CLI

            gh repo clone Prinzhorn/skrollr

          • sshUrl

            git@github.com:Prinzhorn/skrollr.git

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