Practice - Data Types
Practice Questions
Test your understanding with targeted questions
What is a string in JavaScript?
💡 Hint: Think about how text values are enclosed.
What data types can hold a true or false value?
💡 Hint: Recall the logical types in programming.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What data type is used for a sequence of characters?
💡 Hint: Think about how you represent names or messages.
True or False: Null and undefined represent the same thing in JavaScript.
💡 Hint: Reflect on what each signifies about the state of a variable.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Define a JavaScript object to represent a student with properties for name, age, and courses enrolled, along with a method to display those details.
💡 Hint: Consider how methods integrate into objects.
Write a function that accepts an array and checks how many of the values are strings.
💡 Hint: Think about how to filter and count items based on type.
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Reference links
Supplementary resources to enhance your learning experience.