text: //basic js operators
  
  /*
  ***** Math Operators ****
  */
  var yearUtsav= 2020 - 21;
  console.log(yearUtsav);
  
  var year = 2020;
  var yearPrerona = year - 22;
  var yearPayel = year - 20;
  console.log(yearPrerona);
  console.log(yearPayel);
  
  var year, yearUtsav, yearPrerona;
  year = 2020;
  yearUtsav= year - 21;
  yearPrerona = year - 22;
  console.log(yearUtsav);
  console.log(yearPrerona);
  
  console.log(year + 2);
  console.log(year * 2);
  console.log(year / 10);
  
  
  /*
  **** Logical Operator ****
  */
  var ageUtsav, ageBiswa;
  ageUtsav = 20;
  ageBiswa = 24;
  var utsavOlder = ageUtsav > ageBiswa;
  console.log(utsavOlder);
  var biswaOlder = ageUtsav < ageBiswa;
  console.log(biswaOlder);
  
  
  /*
  **** typeof operator ****
  */
  var year = 2020, age;
  console.log(typeof(year));
  console.log(typeof(10 > 20));
  console.log(typeof('hello'));
  console.log(typeof(age));
  
  
  /*
  
  *** operator precedence & associativity ***
  */
  //https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Operator_Precedence
  
  //multiple operators
  
  var now = 2020;
  var yearUtsav = 1999;
  var fullAge = 18;
  var isFullAge = now - yearUtsav >=fullAge;
  console.log(isFullAge);
  
  //grouping
  
  var agePayel = 20;
  var ageUtsav = now - yearUtsav;
  var avg = (ageUtsav + agePayel) / 2;
  console.log(avg);
  
  //multiple assignments
  
  var x, y;
  x = y = (2 + 3) * 4 - 2; //5*4-2 //20-2 //18
  console.log(x, y);
  
  //more operators
  
  x += 2;
  console.log(x);
  
  x *= 2;
  console.log(x);
  
  x++
  y--
  console.log(x, y);
  