How to reload a value in only one row of table

Question

i am have a table and there are some data in tables, and i have a refresh button in the last column of every row.

what i want is when i click some refresh button in some

Answer 1

use this reference

$("button").click(function(){
  $(this).parents('tr').find(".b1").load("content.txt");
  $(this).parents('tr').find(".b2").load("content1.txt");
});

or

$("button").click(function(){
  $(this).parent().siblings(".b1").load("content.txt");
  $(this).parent().siblings(".b2").load("content1.txt");
});