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Javascript Interview Questions

Javascript Interview Questions

Your one-stop shop for mastering one of the world's most popular and dynamic programming languages. Whether you're an experienced JavaScript developer trying to brush up on your skills or a beginner looking to get into the field of web development, this comprehensive collection of interview questions will provide you with the knowledge and insights you need to excel in your JavaScript interviews.

We have included the most difficult and insightful JavaScript questions that have garnered the highest scores in technical interviews in this carefully curated guide. We'll cover a wide range of subjects, from fundamental ideas like variables, data types, and functions to more advanced concepts like closures, promises, and asynchronous programming, with an emphasis on depth and clarity. Each question is designed to put your JavaScript knowledge to the test in a real-world setting and to give you the confidence to face any interview problem.

Whether you want to get your dream job in web development or enhance your career, "JavaScript Interview Questions [Highest Scored]" is your key to success in the JavaScript ecosystem. Let's go into these questions to hone your skills and guarantee you're ready to shine in your next JavaScript interview.


Highest scored Javascript interview questions:

How can I remove a specific item from an array in JavaScript?

How do I check if an element is hidden in jQuery?

How do I redirect to another webpage in Javascript?

How to check whether a string contains a substring in JavaScript?

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How can I remove a specific item from an array in JavaScript?

How can I remove a specific item from an array in JavaScript? There are numerous techniques in JavaScript for removing a specific item from an array. The method you use is determined by your preferences as well as the specific needs of your project.  Here are some common approaches: Using the splice() function to remove an item from an array: You may use the splice() method to remove an item from an array by specifying the index of the item to remove and the number of elements to delete. Here's an illustration: const array = [1, 2, 3, 4, 5]; const indexToRemove = 2; // Index of the item to remove array.splice(indexToRemove, 1); // Remove one item at index 2 console.log(array); // [1, 2, 4, 5] Using the filter() method: The filter() method returns a new array containing all elements that pass a test given by a function. You can use it to make a new array that excludes the item you wish to get rid of: const array = [1, 2, 3, 4, 5]; const itemToRemove = 3; const newArray = array.fil...
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How to check whether a string contains a substring in JavaScript?

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