Getting the all the cell values belongs to one column in html table using jquery

wish of those help I want to get all the values in one particular column in a table and check each value against the value im inputting in a textbox using Jquery ,and if any of the values in that column is higher than the input value i need to display a warning message . , Is it something like this that you want?

$('#input1').on('change', function() {       
    var  val1 = parseInt($('#input1').val());            
  let count = $(".btable td.single").filter(function () {
    return parseInt($(this).text()) > val1;
  }).length;
  if(count > 0) {
    alert(count + ' values are greater than input!');
  }
});