TweenLineLite className not Add correctly

[Ahmed Elabbasy 2 Likes (Newbie)]

className: "+=active" just remove all class's and so on

 

https://codesandbox.io/s/affectionate-cookies-9hccc

See the Pen by s (@s) on CodePen

[ZachSaucier 7,068 Likes (Superhero)]

Hey Ahmed.

 

Why not use .classList.add() for adding a class?

 

But anyway, built in support for className tweens was removed in GSAP 3 as we recommend that people directly tween properties instead. However there are workarounds and an official className plugin if you want to use them still:

 

Side note: Lite/Max stuff is old. We highly recommend using GSAP 3 formatting. This migration guide can help you get all of the old syntax switched over:

 

[Ahmed Elabbasy 2 Likes (Newbie)]

hi Zach

Thanks for the quick reply ..
I am learning from old sources to understand it more deeply and I am a little distracted from your documents Can you tell me a video source to learn?
As for the problem, it has been solved

[ZachSaucier 7,068 Likes (Superhero)]

@Carl has a video course you could check out: https://courses.snorkl.tv/courses/gsap-3-express?ref=44f484