HTML and CSS Reference
In-Depth Information
◗
3.
Scroll up to the changeBackground() function. Add the following code to the end
of the function, as shown in Figure 13-35, so that the app tests for a complete
solution each time the user clicks a cell and changes its color:
/* Check the puzzle solution */
checkSolution();
Figure 13-35
calling the checksolution() function
◗
4.
Close the
hanjie.js
file, saving your changes.
To test your code, you'll load another set of puzzles that Rebecca has developed. The
first puzzle in the set is a simple 5
Í
5 puzzle with the upper diagonal cells filled in,
which you can quickly and easily solve.
To test the checkSolution() function:
◗
1.
Return to the
hanjie.htm
file in your text editor.
◗
2.
Locate the
script
element that loads the
grids.js
file, and then change the source
to the
grids2.js
file. Close the file, saving your changes.
◗
3.
Reload the
hanjie.htm
file in your Web browser.
◗
4.
With the first puzzle selected, solve the puzzle by filling in the upper-left corner
of the grid with darkened cells and changing the color of the lower-right corner
to white, as shown in Figure 13-36. When you have finished solving the puzzle, an
alert box should automatically appear, congratulating you, as shown in the figure.
