JSHiveJSHive
JS

JavaScript Fundamentals 3 - Review

Review

Discover your progress and identify completed questions and those awaiting your input. Dive back into any unanswered quizzes, refine your knowledge, and keep track of your learning journey with ease!

No.QuestionStatus
Q1Which of the following are basic data types in JavaScript?
Answer
Q2Which method can be used to convert a string to uppercase in JavaScript?
Answer
Q3Which of the following data types in JavaScript can have a value of either true or false?
Answer
Q4Which of the following is a valid boolean value in JavaScript?
Answer
Q5What is the value of a variable that has been declared but not assigned a value?
Answer
Q6What is the data type of a variable with a value of undefined?
Answer
Q7Which of the following statements about comments in JavaScript is true?
Answer
Q8What is the correct syntax for an if statement in JavaScript?
Answer
Q9Which of the following statements about variable declaration and assignment in JavaScript is tr...
Answer
Q10What is the result of the following expression: `5 + 3 * 2 - 6 / 3`?
Answer
Q11What is the value of the expression: `20 / 4 + 5 - 3 * 2`?
Answer
Q12What is the result of the following expression: `10 + 5 * 2`?
Answer
Q13Which operator is used to assign a value to a variable in JavaScript?
Answer
Q14What is the result of the assignment expression `x = y = 5`?
Answer
Q15What is the purpose of an assignment expression in JavaScript?
Answer
Q16Which operator can be used to concatenate a string and a number in JavaScript?
Answer
Q17Which of the following is a comparison operator in JavaScript?
Answer
Q18Which of the following comparison operators in JavaScript checks if two values are not equal an...
Answer
Q19Which are logical operators in JavaScript?
Answer
Q20What is the result of the expression `(true && false)`?
Answer
Q21Which of the following is the correct syntax for defining a function with parameters in JavaScr...
Answer
Q22What is the difference between function parameters and arguments in JavaScript?
Answer
Q23Which of the following is true about function parameters and arguments in JavaScript?
Answer
Q24Which of the following string methods can be used to find the position of a substring within a ...
Answer
Q25Which of the following methods is used to find the length of a string in JavaScript?
Answer
Q26What is the purpose of the JavaScript Math.round() function?
Answer
Q27What is the output of the following code? ```javascript console.log(Math.floor(4.7)); ```
Answer
Q28Which of the following functions allows you to round a number to the nearest whole number in Ja...
Answer
Q29What is the purpose of the Math.max() function in JavaScript?
Answer
Q30Which keyword is used to define a function in JavaScript?
Answer
Q31Which of the following correctly declares and initializes an array in JavaScript?
Answer
Q32Which method returns the current date and time?
Answer
Submit!