javascript_practice/1java.js at main · Shoeb1989/javascript_practice · GitHub

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// Dynamic Type language js

// let, const & var

// var : Variable can be re-declared & updated. A global scope variable.

// let : Variable cannot be re-declared but can be updated. A block scope variable.

// const : Variable cannot be re-declared or updated. A block scope variable.
// const : Variable cannot be re-declared or updated. A block scope variable.


const Namee = 'shoeb sikder';
 nameee = typeof (Namee);
 console.log(nameee);
const Numberr = 16;
 nameee = typeof (Numberr);
 console.log(nameee);


const student = {
fullName: "Rahul Kumar",
age: 20,
cgpa: 8.2,
isPass: true,
};

student ["age"] = student ["age"] +1;  // age update inside the object
student ["fullName"] = "Rahul sharma";  // name update inside the object


console. log(student.age);
console. log(student.age);