evilSpookie878

Sorry for my unclear expression. Yes, "switch to another tab" means clicking the circles part1 , part2 and part3. Thank you guys @GreenSock for the crisp reply , I just solve the question. But I think my code is lengthy. is there any way to improve this code? https://codepen.io/UHU/pen/GbJYza Much appreciated!

Hi guys. I'm new to gsap as well as javascript. I am trying to make 'when user switch to another tab, the timeline effect will replay',but now got kind of stuck.. the effect will show at first, but when I switch to another tab, it won't display. By the way,I use bootstrap 3.37 for framework. Here's the codepen