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72 JavaScript MCQ Questions in english हिन्दी
How do you add a new element at the end of an array?
Which built-in method returns the character at the specified index in a string?
What is the correct syntax for a ternary operator?
What keyword is used to handle exceptions?
What will typeof [] return?
How do you call a function named myFunction?
Which of these is used to define a JavaScript class?
How to check if a is not equal to b in value and type?
Which of the following loops will always execute at least once?
What will console.log(typeof null) print?
What does Array.prototype.map() do?
How do you round 7.25 to the nearest integer
Which keyword declares a block-scoped variable?
What will 0.1 + 0.2 === 0.3 return?
Which method converts a JSON string to an object?
What does typeof NaN return?
Which symbol is used for comments in JavaScript?
Which of the following is not a JavaScript data type?
How do you write "Hello World" in an alert box?
What is the correct syntax to include an external JavaScript file?
Which Indian Weightlifter grabbed the gold in women's 59 kg events at the World Weightlifting Championships-2024?
Which of the following operators is used to determine whether or not a particular property exists?
25. Which of these keywords is used to check for exceptions in the block?
24. Which of the following statements about Thread is untrue?
Which of the following selections serves as the literal hexadecimal start?
23.Which of these packages includes the Java Stack Overflow exception?
Which type of variable among the following is volatile?
If the names of two variables are the same, which one is the dominant one?
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