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Javascript Questions Set 93:

Quiz Mode

Which of the following is not a framework?

jQuery

.NET

JavaScript

Cocoa

Solution:

const array1 = [1, 2, 3];

console.log(array1.includes(2));

true

None

false

Solution:

What is the purpose of the method getUserData(key)?

Returns the associated object

Gets the user data

Returns the user data

Gets the user key

Solution:

Which property of the draggable widget is used so the elements during sorting should move only within its parent element?

disabled

distance

opacity

containment

Solution:

What will be the output of the following JavaScript code?

`document.writeln("<br/>screen.width: "+screen.width);`

Browser length

Browser width

Browser area

Error

Solution:

Which of the following states the purpose of lazy loading?

Loading after a definite interval

Immediate loading is not necessary

Loading under command

Immediate loading is necessary

Solution:

Predict the output:

const promise1 = new Promise((resolve, reject) => {

resolve('Success!');

});

promise1.then((value) => {

console.log(value);

});

error in output

Success!

undefined value

Success

Solution:

What happens if a file of JavaScript code is used by multiple pages?

The file is retrieved from the browser cache

The file is downloaded multiple times

The file must be re-executed on each page

The file must be included in all the pages

Solution:

Which of the following statements about event propagation in the DOM are correct?

Statement 1 is true; Statement 2 is false

Statement 1 is false; Statement 2 is false

Statement 1 is false; Statement 2 is true

Statement 1 is true; Statement 2 is true

Solution:

What will be the output of the following code?

`function passfail(name, marks) {`

`if (marks >= 35) {`

`return 1;`

`}`

`else {`

`return 0;`

`}`

`}`

`pf = passfail("VINAY", 70);`

`if (pf == 1) {`

`document.write("student is passed");`

`}`

`else if (pf == 0) {`

`document.write("student is failed");`

`}`

`else {`

`document.write("INVALID");`

`}`

student is passed

student is failed

INVALID

None

Javascript Questions Set 93:

Which of the following is not a framework?

Solution:

const array1 = [1, 2, 3];

console.log(array1.includes(2));

Solution:

What is the purpose of the method getUserData(key)?

Solution:

Which property of the draggable widget is used so the elements during sorting should move only within its parent element?

Solution:

What will be the output of the following JavaScript code?

`document.writeln("<br/>screen.width: "+screen.width);`

Solution:

Which of the following states the purpose of lazy loading?

Solution:

Predict the output:

const promise1 = new Promise((resolve, reject) => {

resolve('Success!');

});

promise1.then((value) => {

console.log(value);

});

Solution:

What happens if a file of JavaScript code is used by multiple pages?

Solution:

Which of the following statements about event propagation in the DOM are correct?

Solution:

Solution:

Related Question Sets:

Related Topics:

Javascript Questions Set 93:

Which of the following is not a framework?

Solution:

const array1 = [1, 2, 3]; console.log(array1.includes(2));

Solution:

What is the purpose of the method getUserData(key)?

Solution:

Which property of the draggable widget is used so the elements during sorting should move only within its parent element?

Solution:

What will be the output of the following JavaScript code? document.writeln("<br/>screen.width: "+screen.width);

Solution:

Which of the following states the purpose of lazy loading?

Solution:

Predict the output: const promise1 = new Promise((resolve, reject) => { resolve('Success!'); }); promise1.then((value) => { console.log(value); });

Solution:

What happens if a file of JavaScript code is used by multiple pages?

Solution:

Which of the following statements about event propagation in the DOM are correct?

Solution:

Solution:

Related Question Sets:

Related Topics:

const array1 = [1, 2, 3];

console.log(array1.includes(2));

What will be the output of the following JavaScript code?

`document.writeln("<br/>screen.width: "+screen.width);`

Predict the output:

const promise1 = new Promise((resolve, reject) => {

resolve('Success!');

});

promise1.then((value) => {

console.log(value);

});