×

×

Correct!

Exercise:

The <button> element should do something when someone clicks on it. Try to fix it!

<button onclick="alert('Hello')">Click me.</button>

Not Correct

Click here to try again.

Correct!

Next ❯

<button w3exercise_input_no_0
="alert('Hello')">Click me.</button>

Completed 0 of 67 Exercises:

JS Variables

Exercise 1 Exercise 2 Exercise 3 Exercise 4 Exercise 5 Go to JS Variables Tutorial

JS Operators

Exercise 1 Exercise 2 Exercise 3 Exercise 4 Exercise 5 Go to JS Operators Tutorial

JS Data Types

Exercise 1 Go to JS Data Types Tutorial

JS Functions

Exercise 1 Exercise 2 Exercise 3 Exercise 4 Go to JS Functions Tutorial

JS Objects

Exercise 1 Exercise 2 Exercise 3 Go to JS Objects Tutorial

JS Events

Exercise 1 Exercise 2 Exercise 3 Go to JS Events Tutorial

JS Strings

Exercise 1 Exercise 2 Exercise 3 Go to JS Strings Tutorial

JS String Methods

Exercise 1 Exercise 2 Exercise 3 Exercise 4 Exercise 5 Go to JS String Methods Tutorial

JS Arrays

Exercise 1 Exercise 2 Exercise 3 Go to JS Arrays Tutorial

JS Array Methods

Exercise 1 Exercise 2 Exercise 3 Go to JS Array Methods Tutorial

JS Array Sort

Exercise 1 Go to JS Array Sort Tutorial

JS Dates

Exercise 1 Exercise 2 Exercise 3 Exercise 4 Go to JS Dates Tutorial

JS Math

Exercise 1 Exercise 2 Exercise 3 Exercise 4 Go to JS Math Tutorial

JS Comparisons

Exercise 1 Exercise 2 Exercise 3 Exercise 4 Go to JS Comparisons Tutorial

JS Conditions

Exercise 1 Exercise 2 Go to JS Conditions Tutorial

JS Switch

Exercise 1 Exercise 2 Go to JS Switch Tutorial

JS For Loops

Exercise 1 Exercise 2 Go to JS For Loops Tutorial

JS While Loops

Exercise 1 Exercise 2 Go to JS While Loops Tutorial

JS Break Loops

Exercise 1 Exercise 2 Go to JS Break Loops Tutorial

JS HTML DOM

Exercise 1 Exercise 2 Exercise 3 Exercise 4 Exercise 5 Exercise 6 Exercise 7 Exercise 8 Exercise 9 Go to JS HTML DOM Tutorial