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03-javascript-concepts.md

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JavaScript Concepts

  1. What are the primitive data types in JavaScript?

  2. What is the difference between == and === ?

  3. What is a global variable? When is it appropriate to use a global variable?

  4. What is ES6?

  5. What is the scope of a variable in JavaScript?

  6. Write a function that outputs " plus is ", given two variables.

  7. Write the JS to count the number of times a button is clicked.

  8. Write 3 different ways to output every item in an Array.

  9. Explain the this keyword in JavaScript.

  10. Explain the purpose of prototype in JavaScript.

  11. How can you write Object-Oriented code in JavaScript?

  12. How do you convert from a string to an integer? How do you convert from a string to a decimal number?