javaScript/understanding_object/script.js at master · rit-kr/javaScript

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// 1. Define a variable named `students` and assign a blank object to it.

let students = {};

// 2. Add a key of the value of variable `studentName` in the object created above with the value of your name.

students.studentName = "Rockey";

// 3. Using `console.log` log the value of `studentName` key from the `students` object

console.log(students.studentName);

// 4. Add a another key of the value of variable `batch` in the object with the value of 16.

students.batch = 16;

// 5. Using `console.log` log the value of `batch` key from the `students` object

console.log(batch);

// 6. Add another key in the object with the value of the variable `isAdult`. The value of the key should be `true/false`

students.isAdult = "true";

// 7. Using `console.log` print the value of `isAdult` key from the `students` object

console.log(isAdult);

// 8. Add a another key of `42` to the object with a value of `The answer to the meaning of life`.

students["42"] = "The answer to the meaning of life";

// 9. Using `console.log` print the value of key `42` from the `students` object

console.log(students[42]);

// 10. Check the length of object named `students`.

console.log(students.length);

// 11. Can you define a key of `let or var` in any object? Reason.

yes, we can define `let or var` in Object.

// 12. Delete the `isAdult` property from the object `students`. Also, print the object before or after deleting the property

console.log(students);

delete students.isAdult;

console.log(students);

// 13. Update the value of the key batch in the object `students` and print it using `console.log`

students.batch = 10;

console.log(students.batch);