3 Questions
Which of the following is a valid data type in JavaScript?
String
What is the purpose of the 'querySelector' method in JavaScript?
To select an element from the DOM based on a CSS selector
What is the difference between 'null' and 'undefined' in JavaScript?
'null' represents the absence of a value, while 'undefined' indicates that a variable has been declared but has not been assigned a value
Test your knowledge of JavaScript with this quiz! Explore questions about valid data types, the purpose of the 'querySelector' method, and the differences between 'null' and 'undefined' in JavaScript.
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