js closure problem

Question

i want to iterate the i using closure and put the i inside a index and alert or log out each item inside a
https://code.sololearn.com/We11GmPVPHJ5/?ref=app

Answer 1

Use setInterval instead of setTimeout

Answer 2

thanks but it keep running after the value runnout undefine

Answer 3

https://code.sololearn.com/WNd6Lz32q2ii/?ref=app