JSFiddle - React, Tailwind, and code Playground

by double lv

HTML

<button id="i">insert</button>
<button id="s">start</button>
<div id="d"></div>

JavaScript

function f(){
    $('#d').append('a<br>');
}
function insert(){
    clear = clearInterval(timer);
    for(var i=0;i<10;i++){
        $('#d').append('sssss<br>');    
       }
    
}
function start(){
    timer = setInterval(f,1000);
}

$('#i').click(insert);
$('#s').click(start);