Level 01 - Basic
Access methods
Question 1 How will you access the third position of the following array?
let arr = [5, 10, 15]
Answer: arr[2]
Question 2 How will you access the second element, degree from the following object?
let obj = { name: "Maimoona", degree: "MBBS" }
Answer: obj.degree (alternatively we can also use obj["degree"]).
Question 3 How will you access all elements of the following array using loops?
let arr = [1, 2, 3, 4, 5, 6, 7]
Answer: There are multiple ways to do it using different for loops, one example is the following;
arr.forEach((elem) => {
console.log(elem);
});
Question 4 How will you access all elements of the following object using loops?
let obj = { name: "Maimoona", degree: "MBBS", age: 25 }
Answer: There are multiple ways to do it, one example is the following;
for (let key in obj) {
console.log(key, obj[key]);
}
The rest of the answers and code are in the Js files above.