Q. Which built-in method would you use to convert a string to all uppercase letters in JavaScript?

आप कैसे जांचते हैं कि एक वेरिएबल x एक सरणी है या नहीं?

A
toUpperCase()
B
upperCase()
C
changeCase(upper)
D
capsLock()

Explanation

Explanation will be available soon. Please stay tuned.

व्याख्या जल्द ही उपलब्ध होगी। कृपया बने रहें।

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Introduction of JavaScript Syntax, Variables, Values, Data Types Indexed Collections Modules and Regular Expressions Prototype-based Object-Oriented Programming

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