$(function() { var data = []; $('td').keydown(function() { data.push(this.id, $(this).html().substr(0, 2)); //position, value }) $('td').blur(function() { if ((id_i = data.indexOf(this.id) != -1) && data[id_i+1] != $(this).html().substr(0, 2)) { var int_id = this.id.split("-")[1] $.post("/memory/update_memory?project="+$(this).closest("table").data("project")+"&file="+Math.floor((int_id/2048)+1)+"&mem_id="+int_id%2048+"&value="+$(this).html().substr(0, 2)); data.splice(id_i, 2); } }); $('select').change(function() { $.get("/memory/table?project="+$(this).data("project")+"&file="+$(this).find("option:selected").text()+".hex") }); });