Remove Duplicate Characters from String in JavaScript
Welcome back to SenthilSmartQAHub channel!
In today’s video, I will show you how to remove duplicate characters from a string in JavaScript using the simplest and most modern approach.
This is a very popular JavaScript interview question, and also useful in real-time applications like data cleaning, validation, and text processing.
What you will learn:
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• Why Set stores only unique values
• How split() converts a string into an array
• How Spread Operator expands Set into an array
• How join() converts the array back into a string
This explanation is beginner-friendly and interview-focused.
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