I have similar use case as well. When the top of a huge section scrolls into view, I need to make an element at the bottom of this section (outside viewport) stick to the bottom of the viewport.

At the moment I have to make the waypoint on the top of this huge section and then do the stuff that sticky does on the other element manually... This seems like a solid use case.

@tilwinjoy Feel free to try my branch/PR: #529

The only issue while using css animations with my branch was that the wrapper height was reset to early. So I came up with this:

const waypoint = new window.Waypoint.Sticky({
  element: $('#header')[0],
  triggerElement: $('#header-waypoint')[0],
  handler: function (direction) {
    this.$wrapper.height(this.$element.outerHeight(true))
    this.$element.toggleClass('unstuck', direction === 'up')
  }
})

unstuck triggers the hide animation of the header

@axe312ger, I've implemented your branch and found it extremely useful. Thank you very much for that. I am, however, experiencing some issues (more likely than not, it's caused by my implementation or a logic error). Could I pick your brain to try and decypher where I'm going wrong with all of this?

I have it rigged up so that there's a sticky trigger element which is dynamically positioned to be the exact viewport height from the bottom of the containers that I want to stick. This way, I can have the "stuck" class fixed to the bottom of the screen, as opposed to the top.

It appears that as long as the content spans a larger height than the viewport, it seems to work fine. but if the content is smaller than the viewport, it seems to jump to the top of the screen (most times from about the halfway mark). Here's the URL for my development site. Could I trouble you to have a peek at my site, and see if there's anything that's jumping out at you that I haven't got working quite right?

I know it's a ridiculously ambiguous question, but I'm at my wits end, and I don't even know where to begin fixing this.

[http://cirys.g-squareddev.com/]

I guess you should place the sticky trigger outside of the element you actually attach “stuck” to. So u avoid confusing waypoints with the actual trigger position.

On 17 Nov 2016, at 21:16, Ryan Drewniak [email protected] wrote:

@axe312ger https://github.com/axe312ger, I've implemented your branch and found it extremely useful. Thank you very much for that. I am, however, experiencing some issues (more likely than not, it's caused by my implementation or a logic error). Could I pick your brain to try and decypher where I'm going wrong with all of this?

I have it rigged up so that there's a sticky trigger element which is dynamically positioned to be the exact viewport height from the bottom of the containers that I want to stick. This way, I can have the "stuck" class fixed to the bottom of the screen, as opposed to the top.

It appears that as long as the content spans a larger height than the viewport, it seems to work fine. but if the content is smaller than the viewport, it seems to jump to the top of the screen (most times from about the halfway mark). Here's the URL for my development site. Could I trouble you to have a peek at my site, and see if there's anything that's jumping out at you that I haven't got working quite right?

I know it's a ridiculously ambiguous question, but I'm at my wits end, and I don't even know where to begin fixing this.

[http://cirys.g-squareddev.com/ http://cirys.g-squareddev.com/]

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So, in essence, having the triggers placed between each of the sticky wrappers, instead of within the sticky element?

On Nov 17, 2016, at 1:23 PM, Benedikt Rötsch [email protected] wrote:

I guess you should place the sticky trigger outside of the element you actually attach “stuck” to. So u avoid confusing waypoints with the actual trigger position.

On 17 Nov 2016, at 21:16, Ryan Drewniak [email protected] wrote:

@axe312ger https://github.com/axe312ger, I've implemented your branch and found it extremely useful. Thank you very much for that. I am, however, experiencing some issues (more likely than not, it's caused by my implementation or a logic error). Could I pick your brain to try and decypher where I'm going wrong with all of this?

I have it rigged up so that there's a sticky trigger element which is dynamically positioned to be the exact viewport height from the bottom of the containers that I want to stick. This way, I can have the "stuck" class fixed to the bottom of the screen, as opposed to the top.

It appears that as long as the content spans a larger height than the viewport, it seems to work fine. but if the content is smaller than the viewport, it seems to jump to the top of the screen (most times from about the halfway mark). Here's the URL for my development site. Could I trouble you to have a peek at my site, and see if there's anything that's jumping out at you that I haven't got working quite right?

I know it's a ridiculously ambiguous question, but I'm at my wits end, and I don't even know where to begin fixing this.

[http://cirys.g-squareddev.com/ http://cirys.g-squareddev.com/]

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Yes i guess that might fix your issue. I see the problem only happening at your second sticky background.

On 17 Nov 2016, at 21:43, Ryan Drewniak [email protected] wrote:

So, in essence, having the triggers placed between each of the sticky wrappers, instead of within the sticky element?

On Nov 17, 2016, at 1:23 PM, Benedikt Rötsch [email protected] wrote:

I guess you should place the sticky trigger outside of the element you actually attach “stuck” to. So u avoid confusing waypoints with the actual trigger position.

On 17 Nov 2016, at 21:16, Ryan Drewniak [email protected] wrote:

@axe312ger https://github.com/axe312ger, I've implemented your branch and found it extremely useful. Thank you very much for that. I am, however, experiencing some issues (more likely than not, it's caused by my implementation or a logic error). Could I pick your brain to try and decypher where I'm going wrong with all of this?

I have it rigged up so that there's a sticky trigger element which is dynamically positioned to be the exact viewport height from the bottom of the containers that I want to stick. This way, I can have the "stuck" class fixed to the bottom of the screen, as opposed to the top.

It appears that as long as the content spans a larger height than the viewport, it seems to work fine. but if the content is smaller than the viewport, it seems to jump to the top of the screen (most times from about the halfway mark). Here's the URL for my development site. Could I trouble you to have a peek at my site, and see if there's anything that's jumping out at you that I haven't got working quite right?

I know it's a ridiculously ambiguous question, but I'm at my wits end, and I don't even know where to begin fixing this.

[http://cirys.g-squareddev.com/ http://cirys.g-squareddev.com/]

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That seems to have worked. Thanks a million for your help! :-)

On Nov 17, 2016, at 1:44 PM, Benedikt Rötsch [email protected] wrote:

Yes i guess that might fix your issue. I see the problem only happening at your second sticky background.

On 17 Nov 2016, at 21:43, Ryan Drewniak [email protected] wrote:

So, in essence, having the triggers placed between each of the sticky wrappers, instead of within the sticky element?

On Nov 17, 2016, at 1:23 PM, Benedikt Rötsch [email protected] wrote:

I guess you should place the sticky trigger outside of the element you actually attach “stuck” to. So u avoid confusing waypoints with the actual trigger position.

On 17 Nov 2016, at 21:16, Ryan Drewniak [email protected] wrote:

@axe312ger https://github.com/axe312ger, I've implemented your branch and found it extremely useful. Thank you very much for that. I am, however, experiencing some issues (more likely than not, it's caused by my implementation or a logic error). Could I pick your brain to try and decypher where I'm going wrong with all of this?

I have it rigged up so that there's a sticky trigger element which is dynamically positioned to be the exact viewport height from the bottom of the containers that I want to stick. This way, I can have the "stuck" class fixed to the bottom of the screen, as opposed to the top.

It appears that as long as the content spans a larger height than the viewport, it seems to work fine. but if the content is smaller than the viewport, it seems to jump to the top of the screen (most times from about the halfway mark). Here's the URL for my development site. Could I trouble you to have a peek at my site, and see if there's anything that's jumping out at you that I haven't got working quite right?

I know it's a ridiculously ambiguous question, but I'm at my wits end, and I don't even know where to begin fixing this.

[http://cirys.g-squareddev.com/ http://cirys.g-squareddev.com/]

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Hey there @imakewebthings, looks like people enjoy my pull request. Any chance to get it merged? :)

Everyone who is looking for the code, can find it here: #529