SIGMA WEB DEV JAVASCRIPT CLASS NOTES:
JavaScript Variables, Data Types & Objects | Sigma Web Development Course - Tutorial #55 console . log ( "Shivam" ) ; console . log ( "hey this is tutorial 55" ) ; let a = 6 ; // data type number ... let b = 5 ; // data type number ... let c = "Harry" ; // data type "string" = collection of characters ... // console.log(a + b + 8); // // using typeof operator // console.log(typeof a,typeof b,typeof c); let _a = "Shubham" ; // chalega // var 55a = "Rohan"; // nahi chalega // const a1 = 6; redefining const is not allowed // a1 = a1 + 2; // its not allowed { let a = 66 ; console . log ( a ) ; } console . log ( a ) ; let x = "Harry bhai" ; let y = 3.33 ; let z = 22 ; const p = true ; let q = undefined ; let r = null ; console . log ( x , y , z , p , q , r ) ; console . log ( typeof x , typeof y , typeof z , typeof p , typeof q , typeof r ) ; // console.log(typ...