JavaScript Developer I Practice Questions - Salesforce Certified JavaScript Developer I Exam

What is the output of this code? ```js const arr = [1, 2, 3]; arr.push(4); console.log(arr.length); ```

3 4 TypeError undefined

Correct Answer:

Access more questions from this quiz

Continue to JavaScript Developer I Practice Questions - Salesforce Certified JavaScript Developer I Exam for more practice questions and the full quiz experience.

Access More Questions