datatypeSummary

Author: SakshiHanwat

01_basics/data_types_Summary.js

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+/*datatypes are manly categorized in two types primitive and non primitive based on how data should be store on memory*/
+
+//Primitive datatypes
+/* 7 types - String,Number , Boolean, null, undefined, Symbol, BigInt
+
+These all datatypes are also called call by value means  original reference of memory should not be provided only copy shouldbe provided or all changes done in copy not in original
+
+*/
+
+
+/*Reference (NoN Primitive)
+Arrays, Objects, Functions
+
+in these reference provided
+*/
+const score = 100;
+const scoreValue = 100.3;
+
+const isLoggedIn = false;
+
+const outsideTemp = null;
+let userEmail;
+
+const id = Symbol('123')
+const anotherId = Symbol('123')
+
+console.log(id === anotherId);
+
+const bigNumber = 345654355667889990282 n;
+
+// javascript is dynamically typed languageee
+
+const heros = ["shaktiman", "naagraj", "doga"]; // array
+
+const myObj = {
+    name: "sakshi",
+    ag: 22,
+}
+const myfunction = function() {
+    console.log("Hello World");
+}
+
+// how to identify datatype
+
+
+
+console.log(typeof bigNumber);
+console.log(typeof outsideTemp);
+console.log(typeof myfunction);