js data types
true, false // 1. Boolean
null // 2. Null
undefined // 3. Undefined
1, 4, 7, 231, 51, 11, 9 // 4. Number
9007199254740991n // 5. BigInt
'Hello', 'World', 'Uzbekistan' // 6. String
let sym1 = Symbol() // 7. Symbol
{a: 123}, [1] // 8. Objectsjavascript data types
var age = 18; // number
var name = "Jane"; // string
var name = {first:"Jane", last:"Doe"}; // object
var truth = false; // boolean
var sheets = ["HTML","CSS","JS"]; // array
var a; typeof a; // undefined
var a = null; // value nullCopyright © 2021 Codeinu
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