Exercise: Using clicks and branching

Write code so that when the table entry with the Z is clicked, the background colour becomes orange if it is yellow and yellow if it is orange.

Note:

Hints:

  • Use window.onload.

Solution to the exercise

Here is a possible solution to the exercise.

Note:

Hints:

  • undefined
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<!DOCTYPE html>
<html lang="en">
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td {
    background-color: yellow;
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