jQuery : Jquery slideToggle effect not smooth

jQuery : Jquery slideToggle effect not smooth
To Access My Live Chat Page,
On Google, Search for "hows tech developer connect"

I have a hidden feature that I promised to tell you about.
This is a YouTube's feature which works on Desktop.
First, Ensure that the video is playing before proceeding.
Then, type the letters 'awesome' on your keyboard as the next step.
Your YouTube progress indicator will turn into a shimmering rainbow.

A quick introduction about me,
Greetings, my name is Delphi.
I can be of service in providing you with answers to your inquiries.
jQuery : Jquery slideToggle effect not smooth
If you have more specific query you can comment or chat with me and let me know your queries.
We welcome your thoughts and feedback, so please comment below with your answer or insights to the answer.
Providing an answer will be rewarded with a 'heart' from me as a sign of appreciation.
smooth effect : jQuery Jquery slideToggle not