Java Script Quiz5 1. What is the syntax of a for…of loop in JavaScript? for (let i = 0; i < array.length; i++) {} for (let i in array) {} for (let i of array) {} 2. Syntax for using a for…in loop to iterate over the properties of an object in JavaScript? for (let i = 0; i < obj.length; i++) {} for (let key in obj) {} for (let value of obj) {} 3. What is the syntax of a for loop in JavaScript? for (let i = 0; i < array.length; i++) {} for (let i in array) {} for (let i of array) {} 4. Which loop is used for iterating over an array in JavaScript? for loop for…in loop for…of loop 5. Which loop is used for iterating over the properties of an object in JavaScript? for loop for…in loop for…of loop 6. Which loop is efficient in display the elements is reverse order for…in loop for loop for…of loop 7. What is the syntax for using a for loop to iterate over an array in reverse order in JavaScript? for (let i = 0; i < array.length; i--) {} for (let i = array.length – 1; i >= 0; i–) {} for (let i in array) {} 8. Which loop is more efficient for iterating over arrays in JavaScript? for loop for…in loop for…of loop 9. What is the syntax of a for…in loop in JavaScript? for (let i = 0; i < array.length; i++) {} for (let i in array) {} for (let i of array) {} 10. Which loop is used when the order of iteration is important in JavaScript? for loop for…in loop for…of loop Loading … Question 1 of 10
