First Non-Repeating Characters Problem JavaScript | Frontend Interview Preparation | Problem Solving

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This video explains a classic problem on strings, arrays, and objects and some inbuilt utilities where you will see and which is the first nonrepeating character and return its index in the string. This is often asked in frontend interviews to check your understanding arrays and objects.

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Mam please make more video for JS coding round ... it will be help full

FrontEndITJourney
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Nice explanation this video helped me.

mohanendrasiddha
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Your explanations are very helpful, great tutorial!

Ruhbear
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wonderful explanations thanks a lot for your videos please keep doing it.

dimplevarshney
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No need to convert string into array first?

nimeshtank
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