Help Pomodoro Clock FCC challenge

Code Feedback
1

Hello every body,
I tried to complete the pomodoro FCC challenge. But there are some test I dont pass while the program works well.
Take a look at my code and please help me to find the issues (Most of the #timer section tests dont pass).
Thank you

2

Here is the link to the project
https://codepen.io/fredydev/pen/bQMyrZ