JavaScript Tutorial

The language for programming web pages.

Chapter Quiz Exercises
Course Topics
JS Introduction JS Where To JS Output JS Variables JS Data Types JS Functions JS Objects JS Arrays JS Strings JS If Conditions JS Loops JS Math JS Errors JS Scope JS DOM JS Events JS Promises & Async JS Classes JS JSON JS RegExp

JS Output

JavaScript Output

JavaScript can display data in different ways depending on the use case.

Output Methods:

  • innerHTML — Write to an HTML element
  • document.write() — Write to HTML document (testing only)
  • window.alert() — Alert box
  • console.log() — Browser console (for debugging)
  • console.error() — Red error in console
  • console.table() — Table in console

Try It Yourself

Edit the code below and click Run to see the result live.

Source Code
Result
Topics
JS Introduction JS Where To JS Output JS Variables JS Data Types JS Functions JS Objects JS Arrays JS Strings JS If Conditions JS Loops JS Math JS Errors JS Scope JS DOM JS Events JS Promises & Async JS Classes JS JSON JS RegExp