JavaScript function collision?

JavaScript function collision?

I have an Adobe Animate CC project that I have changed to make it better. It is problematic because Adobe has not done a good job of generating code that can run simultaneously on a page. I manipulated the code to be able to do this. Understanding a good amount of JavaScript but not everything I can get this to work. The Adobe Animate CC program generates code that is native Create JS. The local script connects to Create JS to make things animate. When I run the code without a JavaScript timer I think that both functions try to fire at the same time. At this point only, one animation works and shows up. Throwing them into a set Interval fixes this because they are not starting at the same time. I am using jQuery to load and run them on my page. I have seen some jQuery functions, that can run two functions simultaneously. I can’t remember which one.  Does anybody know of way jQuery can call two functions in a way where they do not collide? I am interested in knowing how can get a function to fire and not collide in theory also. So any help for that is appreciated. But I would like to know how jQuery would handle functions totaling two, three, four etc. Thanks
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