how to sort this table that is generated by form input elements
after saving form row adds to table and sorts by form entry id

i need to sort the table by some other data that are beeing added from form to my table

i tried and tried and i dont know what to do more

please help someone

thanks

code:

var Animals ={
index: window.localStorage.getItem("Animals:index"),
$table: document.getElementById("animals-table"),
$form: document.getElementById("animals-form"),
$button_save: document.getElementById("animals-save"),
$button_discard: document.getElementById("animals-discard"),

init: function() {
if (!Animals.index) {
window.localStorage.setItem("Animals:index", Animals.index = 1);
}
Animals.$form.reset();
Animals.$button_discard.addEventListener("click", function(event) {
Animals.$form.reset();
Animals.$form.id_entry.value = 0;
}, true);
Animals.$form.addEventListener("submit", function(event) {
var entry = {
id: parseInt(this.id_entry.value),
animal_id:this.animal_id.value,
animal_name: this.animal_name.value,
animal_type: this.animal_type.value,
bday: this.bday.value,
animal_sex: this.animal_sex.value,
mother_name: this.mother_name.value,
farm_name: this.farm_name.value,
money: this.money.value,
weight: this.weight.value,
purchase_partner: this.purchase_partner.value

};
if (entry.id === 0) {
Animals.storeAdd(entry);
Animals.tableAdd(entry);
}
else { // edit
Animals.storeEdit(entry);
Animals.tableEdit(entry);
}

this.reset();
this.id_entry.value = 0;
event.preventDefault();
}, true);


if (window.localStorage.length - 1) {
var animals_list = [], i, key;
for (i = 0; i < window.localStorage.length; i++) {
key = window.localStorage.key(i);
if (/Animals:\d+/.test(key)) {
animals_list.push(JSON.parse(window.localStorage.getItem(key)));
}
}

if (animals_list.length) {
animals_list.sort(function(a, b)
{return a.id < b.id ? -1 : (a.id > b.id ? 1 : 0);})

.forEach(Animals.tableAdd);}
}

Animals.$table.addEventListener("click", function(event) {
var op = event.target.getAttribute("data-op");
if (/edit|remove/.test(op)) {
var entry = JSON.parse(window.localStorage.getItem("Animals:"+ event.target.getAttribute("data-id")));
if (op == "edit") {

Animals.$form.id_entry.value = entry.id;
Animals.$form.animal_id.value = entry.animal_id;
Animals.$form.animal_name.value = entry.animal_name;
Animals.$form.animal_type.value = entry.animal_type;
Animals.$form.bday.value = entry.bday;
Animals.$form.animal_sex.value = entry.animal_sex;
Animals.$form.mother_name.value = entry.mother_name;
Animals.$form.farm_name.value = entry.farm_name;
Animals.$form.money.value = entry.money;
Animals.$form.weight.value = entry.weight;
Animals.$form.purchase_partner.value = entry.purchase_partner;

}
else if (op == "remove") {
if (confirm('Are you sure you want to remove this animal from your list?' )) {
Animals.storeRemove(entry);
Animals.tableRemove(entry);
}
}
event.preventDefault();
}
}, true);
},

storeAdd: function(entry) {
entry.id = Animals.index;
window.localStorage.setItem("Animals:index", ++Animals.index);
window.localStorage.setItem("Animals:"+ entry.id, JSON.stringify(entry));
},
storeEdit: function(entry) {
window.localStorage.setItem("Animals:"+ entry.id, JSON.stringify(entry));
},
storeRemove: function(entry) {
window.localStorage.removeItem("Animals:"+ entry.id);
},

tableAdd: function(entry) {
var $tr = document.createElement("tr"), $td, key;
for (key in entry) {
if (entry.hasOwnProperty(key)) {
$td = document.createElement("td");
$td.appendChild(document.createTextNode(entry[key]));
$tr.appendChild($td);
}
}
$td = document.createElement("td");
$td.innerHTML = '<a data-op="edit" data-id="'+ entry.id +'">Edit</a> | <a data-op="remove" data-id="'+ entry.id +'">Remove</a>';
$tr.appendChild($td);
$tr.setAttribute("id", "entry-"+ entry.id);
Animals.$table.appendChild($tr);
},
tableEdit: function(entry) {
var $tr = document.getElementById("entry-"+ entry.id), $td, key;
$tr.innerHTML = "";
for (key in entry) {
if (entry.hasOwnProperty(key)) {
$td = document.createElement("td");
$td.appendChild(document.createTextNode(entry[key]));
$tr.appendChild($td);
}
}
$td = document.createElement("td");
$td.innerHTML = '<a data-op="edit" data-id="'+ entry.id +'">Edit</a> | <a data-op="remove" data-id="'+ entry.id +'">Remove</a>';
$tr.appendChild($td);
},
tableRemove: function(entry) {
Animals.$table.removeChild(document.getElementById("entry-"+ entry.id));
}
};

Animals.init();