JavaScript Loops Course (How To)

Loops are a way of repeating code -- they're handy for repetitive tasks. Loops are frequently used for actions that need to run a particular number of times or until a certain condition is true.

Simplify Repetitive Tasks with Loops

Learn how to save time and avoid code repetition with loops.

Chevron 9 steps

• What is a Loop?

  2:36

• The while Loop

  6:20

• The do...while Loop

  3:18

• Review Loops

  7 questions

• instruction

  Add One to a Number with the Increment Operator (++)

• Create a while Loop

  1 objective

• Create a do...while loop

  1 objective

• instruction

  Beware of Infinite Loops!

• Review while, do...while, and Loop Conditions

  6 questions

Working with 'for' Loops

Learn about the most common type of loop in JavaScript, the 'for' loop.

Chevron 10 steps

• The for Loop

  4:52

• Create a for Loop

  1 objective

• Dynamically Display HTML with a Loop

  6:52

• instruction

  Exit a Loop

• Terminate a Loop

  1 objective

• The Refactor Challenge

  3:00

• The Refactor Challenge – One Solution

  3:05

• The Refactor Challenge – Duplicate Code

  6:01

• Review for Loops and Exiting Loops

  6 questions

• Refactor Code with a Loop

  1 objective