In btn_next.onclick = function () in it 3 actions are recorded, they are executed conditionally, one after the other or in parallel?

https://codepen.io/freelancetesting/pen/LYEzgRr
btn_next.onclick = function () in it 3 actions are recorded , they are executed conditionally, one after the other in the order in which recorded or parallel in time at the same time ?
April 4th 20 at 00:32
1 answer
April 4th 20 at 00:34
Solution

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