JAVASCRIPT

change html using jquery

$("#regTitle").html("Hello World");

change html div jquery

// html
 <div class="col-xs-2 col-sm-2 col-md-2 col-lg-2 total-price bold red"> 0  </div>

// jquery
var price = 1000;
$('.total-price').html(price);
$('.total-price').text(price);

change html using jquery

//Takes input from entire page and uses it to change the HTML of h1
$(document).keypress(function(event){
  $("h1").text(event.key);
});