This is a functioning scrollbar style that I use inside the HTML but I need to put it in my JavaScript code.
.large-2 {
overflow: scroll;
overflow-y: auto;
overflow-x: hidden;
height: 50%;
}
.large-2::-webkit-scrollbar-track {
border: 1px solid #000000;
padding: 2px 0;
background-color: #404040;
}
.large-2::-webkit-scrollbar {
width: 10px;
}
.large-2::-webkit-scrollbar-thumb {
border-radius: 10px;
box-shadow: inset 0 0 6px rgba(0,0,0,.3);
background-color: #737272;
border: 1px solid #000;
}