typing using javascript html css

 <html>
<style>
textarea{
  word-wrap: break-word;
  white-space: pre-wrap;
  grid:1
  position:fixed;
  z-index:1000;
}
body{
  display: grid;
  grid-template-columns: repeat(2,10vw);
  grid-template-rows: repeat(2,10vw);
  gap: 10px;
  align-items: justify;
  margin: 5px;
  padding: 5px;
}
.output{
  scroll-behavior: smooth;
  height: auto;
  width: auto;
}

</style>
  <body>
<textarea></textarea>
<pre class="output"></pre>
<div class="container">
<button class="activate">activate</button>
<button class="clear">clear</button>
</div>
  </body>
<script>
let element = document.querySelector('textarea');
let destination = document.querySelector('.output');
let activate_btn = document.querySelector('.activate');
let clear_btn = document.querySelector('.clear');
let count=0;
// event listener on activate button 
activate_btn.addEventListener('click',()=>{
setInterval(()=>{
  destination.textContent += element.value.charAt(count);
  count += 1;
},10);
})
// clear button 
clear_btn.addEventListener('click',()=>{
  destination.textContent = "";
  location.reload();
});
// scroll automatically 
setInterval(()=>{
 window.scrollTo(0,destination.scrollHeight);
// window.scrollTo(0,document.body.scrollHeight);
 // fixed elements
  
},100);
</script>
</html>







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