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JavaScript Interview Questions
Questions Answers Views Company eMail

What is event bubbling in JavaScript?

 536

What does parse Query String return in javascript?

Changepond,

526

In a java script, what is the difference between "==" and "===" operator?

Expedia,

512

How to display Alert in JavaScript

HCL,

1 1175

How can JavaScript be used?

Deloitte, JPMorgan Chase,

537

What is an undefined value in JavaScript?

 559

Explain what is pop()method in JavaScript?

 667

What is break and continue statements?

 514

What is the use of type of operator?

 519

What is the use of Push method in JavaScript?

 580

What is unshift method in JavaScript?

 559

What is the ‘Strict’ mode in JavaScript and how can it be enabled?

 564

What is the way to get the status of a CheckBox?

 635

Describe the properties of an anonymous function in JavaScript?

 717

Is JavaScript case sensitive? Give an example?

 559

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Un-Answered Questions { JavaScript }

What are limitations in javascript?

464

What is a javascript code?

489

What is output of “20” + 20 + 20 and “20” + ( 20 + 20)? In javascript?

586

What are all the types of Pop up boxes available in JavaScript?

577

What exactly does javascript do?

558




Explain javascript debounce function?

552

How can I request data from the server without reloading the page in the browser?

530

What is the use of debugger keyword in javascript?

500

What is screen object in JavaScript?

574

What are the different types of errors available in javascript?

502

How to create a function using function constructor?

535

What is the difference between ‘var’ and ‘let’ keyword?

514

What kind of conditional statements does JavaScript support?

521

How to Object.entries( ) In JavaScript ?

560

What is the difference between ‘function declaration’ and ‘function expression’?

518

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