JavaScript Interview Questions and Answers

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How do I modify the url without reloading the page?

asked Oct 15, 2023 in JavaScript by GeorgeBell

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How do you extend classes?

asked Oct 15, 2023 in JavaScript by GeorgeBell

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What are the attributes provided by a property descriptor?

asked Oct 15, 2023 in JavaScript by GeorgeBell

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How do you get property descriptors of an object?

asked Oct 15, 2023 in JavaScript by GeorgeBell

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How do you list all properties of an object?

asked Oct 15, 2023 in JavaScript by GeorgeBell

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What is an enum?

asked Oct 15, 2023 in JavaScript by GeorgeBell

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Is enums feature available in javascript?

asked Oct 15, 2023 in JavaScript by GeorgeBell

+1 vote

Give an example usage of rangeOverflow property?

asked Oct 15, 2023 in JavaScript by GeorgeBell

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What are the list of validity properties?

asked Oct 13, 2023 in JavaScript by GeorgeBell

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What are the available constraint validation DOM properties?

asked Oct 13, 2023 in JavaScript by GeorgeBell

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What are the DOM methods available for constraint validation?

asked Oct 13, 2023 in JavaScript by GeorgeBell

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How do you perform form validation without javascript?

asked Oct 13, 2023 in JavaScript by GeorgeBell

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How do you perform form validation using javascript?

asked Oct 13, 2023 in JavaScript by GeorgeBell

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What are the common tools used for minification?

asked Oct 13, 2023 in JavaScript by GeorgeBell

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What are the differences between Obfuscation and Encryption in Javascript?

asked Oct 13, 2023 in JavaScript by GeorgeBell

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What are the advantages of minification in Javascript?

asked Oct 13, 2023 in JavaScript by GeorgeBell

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What is Minification in Javascript?

asked Oct 13, 2023 in JavaScript by GeorgeBell

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Why do you need Obfuscation in Javascript?

asked Oct 13, 2023 in JavaScript by GeorgeBell

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What Is Obfuscation in javascript?

asked Oct 13, 2023 in JavaScript by GeorgeBell

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What is MEAN in javascript?

asked Oct 13, 2023 in JavaScript by GeorgeBell

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How do you define multiple properties on an object in Javascript?

asked Oct 13, 2023 in JavaScript by GeorgeBell

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What are the different ways to make an object non-extensible in Javascript?

asked Oct 13, 2023 in JavaScript by GeorgeBell

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How do you prevent an object to extend in Javascript?

asked Oct 13, 2023 in JavaScript by GeorgeBell

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How do you check whether an object can be extendable or not?

asked Oct 13, 2023 in JavaScript by GeorgeBell

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What are the function parameter rules?

asked Oct 10, 2023 in JavaScript by DavidAnderson

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What are the different ways to access object properties?

asked Oct 10, 2023 in JavaScript by DavidAnderson

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What are primitive data types in Javascript?

asked Oct 10, 2023 in JavaScript by DavidAnderson

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What are the conventions to be followed for the usage of switch case?

asked Oct 10, 2023 in JavaScript by DavidAnderson

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What is the purpose of switch-case?

asked Oct 10, 2023 in JavaScript by DavidAnderson

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Can I add getters and setters using defineProperty method in Javascript

asked Oct 10, 2023 in JavaScript by DavidAnderson

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