JavaScriptReceiptFunction.js

var arr = [];

if (window.openDatabase) {
  //Create the database the parameters are 1. the database name 2.version number 3. a description 4. the size of the database (in bytes) 1024 x 1024 = 1MB

  var db = openDatabase("mydb", "1.0", "my first database", 1024 * 1024);

  db.transaction(function (tx) {
    tx.executeSql("CREATE TABLE IF NOT EXISTS receiptVFINAL (type, value)");
  });
}
function myReceiptFunction() {
  var rowWhole = document.querySelectorAll(".row-whole");
  var arrayValue = [];

  for (var i = 0; i < rowWhole.length; i++) {
    var objValue = {};
    var tranDVal = document.getElementById("selectable_" + i).value;
    var tranTVal = document.getElementById("tType" + i).value;

    var isDuplicateTT = arrayValue
      .map(function (e) {
        return e.tTVal;
      })
      .indexOf(tranTVal);

    var quantityVal = Number(document.getElementById("quanValue" + i).value);

    if (isNaN(quantityVal) || quantityVal == 0) {
      alert("Please Enter Number(s)");
      break;
    } else if (isDuplicateTT == -1) {
      var quantityVal = Number(document.getElementById("quanValue" + i).value);
      objValue.tDVal = tranDVal;
      objValue.tTVal = tranTVal;
      objValue.qVal = quantityVal;
      arrayValue.push(objValue);
      let res = document.URL.replace("UserInput", "Table1");
      window.open(res, "_self");
    } else {
      var quantityVal = Number(document.getElementById("quanValue" + i).value);
      var x = arrayValue[isDuplicateTT].qVal;
      var newDupQVal = Number(x + quantityVal);
      arrayValue[isDuplicateTT].qVal = newDupQVal;

      let res = document.URL.replace("UserInput", "Table1");
      window.open(res, "_self");
    }
  }

  var startToEnd = document.getElementById(startEndDate);

  console.log(startToEnd);

  sessionStorage.dateVal = JSON.stringify(startToEnd);

  sessionStorage.arrayValue = JSON.stringify(arrayValue);
}