Free Printable IMSD_Week-8

Worksheets

IMSD_Week-8_CSE-1

Total questions: 10

Worksheet time: 5mins

Name

Class

Date

How do you create a custom object using an object literal?

let obj = new Object();

let obj = {};

let obj = Object();

let obj = object.create();

What is the correct syntax for adding a property to an object?

obj = name.value;

obj[name] = value;

addProperty(obj, name, value);

obj.property(name, value);

What is the output?

function Person(name) {

this.name = name;

}

let p1 = new Person("John");

console.log(p1.name);

undefined

John

error

null

Which method returns an array of property names of an object?

Object.keys(obj)

Object.get(obj)

Object.list(obj)

obj.keys()

What will this code log?

let obj = {x:10, y:20};

delete obj.y;

console.log(obj.y);

null

undefined

error

What does the expression /[0-9]+/ match?

Only a single digit

One or more digits

Any alphabet

Whitespace

The regular expression /\s+/ matches:

A single space

Any non-space character

One or more whitespace characters

A tab only

Which method replaces text using a regex pattern?

replace()

search()

exec()

test()

What is the output of the code below?

console.log(/cat/.test("concatenate"));

false

undefined

error

true

10.

What does /^A/.test("Apple") return?

false

true

error

Reset

IMSD_Week-8_CSE-1

Total questions: 10

Worksheet time: 5mins

Similar Resources on Wayground