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Checkbox Controls with JavaScript

Use JavaScript to determine if certain form checkboxes are checked, and then check or uncheck others. Four examples follow:

Limit the number
of checkboxes
that can be checked.

Select up to three:
Red
Green
Blue
Yellow
Purple
Orange

 
Total the value of
checked checkboxes.

Which do you want?
New (10.00)
Broken (Free)
Antique (55.00)
Refurbished (4.95)
Total:

 
Button to check or uncheck
a group of checkboxes.



Check your favorites:
Red
Green
Blue

Checkbox instead of
checking or unchecking
a group of checkboxes.

Check your favorites:
Red
Green
Blue
All
None

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