Which symbol is used for single-line comments in JavaScript?

Which keyword is used to declare a variable in JavaScript?

Which JavaScript function is used to display a message box?

Which operator is used to assign a value in JavaScript?

Which data type is NOT supported by JavaScript?

Which keyword is used to define a constant in JavaScript?

Which method is used to write content in the browser window?

What will type of null return in JavaScript?

JavaScript is case-sensitive.

Which symbol is used for strict equality comparison?

Which event occurs when a user clicks on an HTML element?

Which loop executes at least once even if the condition is false?

How do you create an array in JavaScript?

Which keyword stops a loop immediately?

Which method converts a string to an integer?

Which JavaScript method is used to add an element at the end of an array?

JavaScript was developed by which company?

Which function is used to read user input in JavaScript?

Which operator is used to combine strings in JavaScript?

Which keyword is used to exit a function in JavaScript?

Which statement is used for decision-making in JavaScript?

Which symbol is used to access object properties?

Which value is returned when a variable is declared but not assigned?

Which JavaScript method removes the first element of an array?

Which method checks the length of a string?