Laravel ajax insert multiple records

let owner_shares = $('.owner_shares').val();
let amt = 0;

let arrlength = 1;
let arr = document.getElementsByName('owner_shares');
let owner_name = document.getElementsByName('owner_name');
let owner_profit = document.getElementsByName('owner_profit');

let total_cost = $('#total_sales').val();
let fixed_cost = $('#fixed_cost').val();
let urgent_cost = $('#urgent_cost').val();
let target_sales = $('#target_sales').val();

let arrOwnerShare = [];
let arrOwnerName = [];
let arrOwnerProfit = [];

for(let index = 0; index < arr.length; index++){
let shares = arr[index].value;
arrOwnerShare.push(shares);
let owner_names = owner_name[index].value;
arrOwnerName.push(owner_names);
let owner_profits = owner_profit[index].value;
arrOwnerProfit.push(owner_profits);

}

var arrOwnerShareString = JSON.stringify(arrOwnerShare);
var arrOwnerNameString = JSON.stringify(arrOwnerName);
var arrOwnerProfitString = JSON.stringify(arrOwnerProfit);

       $.ajax({
          type: 'POST',
          url: 'save_month_data',
          data: {total_sales: total_cost, fixed_cost: fixed_cost, month: valuemonthSelected, 
             year: valueyearSelected,  urgent_cost: urgent_cost, target_sales: target_sales, 
             owner_profit: arrOwnerProfitString, authid: authid, shares: arrOwnerShareString, 
             owner_names: arrOwnerNameString,   _token: '{{csrf_token()}}'},
          success: function(data){

          if(data.msg == 'True'){
            if(data.entry>0){
             setTimeout(function() { 
             $('#msg').show();
             $('#msgs').text('Data Submitted Successfully !');
             $('.save_records').text('Update');
           }, 500);

}
else{
  setTimeout(function() { 
  $('#msg').show();
  $('#msgs').text('Data Inserted Successfully !');
  $('.save_records').text('Save');
  }, 500);
}

 }
}

});

});  });

let owner_shares = $('.owner_shares').val();
let amt = 0;
let arrlength = 1;
let arr = document.getElementsByName('owner_shares');
let owner_name = document.getElementsByName('owner_name');
let owner_profit = document.getElementsByName('owner_profit');
let total_cost = $('#total_sales').val();
let fixed_cost = $('#fixed_cost').val();
let urgent_cost = $('#urgent_cost').val();
let target_sales = $('#target_sales').val();

let arrOwnerShare = [];
let arrOwnerName = [];
let arrOwnerProfit = [];
   for(let index = 0; index < arr.length; index++){
      let shares = arr[index].value;
      arrOwnerShare.push(shares);
      let owner_names = owner_name[index].value;
      arrOwnerName.push(owner_names);
      let owner_profits = owner_profit[index].value;
      arrOwnerProfit.push(owner_profits);
}

var arrOwnerShareString = JSON.stringify(arrOwnerShare);
var arrOwnerNameString = JSON.stringify(arrOwnerName);
var arrOwnerProfitString = JSON.stringify(arrOwnerProfit);

$.ajax({
    type: 'POST',
    url: 'save_month_data',
    data: {total_sales: total_cost, fixed_cost: fixed_cost, month: valuemonthSelected, year: valueyearSelected,  urgent_cost: urgent_cost, target_sales: target_sales, owner_profit: arrOwnerProfitString, authid: authid, shares: arrOwnerShareString, owner_names: arrOwnerNameString,   _token: '{{csrf_token()}}'},
    success: function(data){
    if(data.msg == 'True'){
      if(data.entry>0){
        setTimeout(function() { 
          $('#msg').show();
          $('#msgs').text('Data Submitted Successfully !');
          $('.save_records').text('Update');
       }, 500);
     }
    else{
      setTimeout(function() { 
      $('#msg').show();
      $('#msgs').text('Data Inserted Successfully !');
      $('.save_records').text('Save');
   }, 500);
 }

 }
}

});

});

});