troubleshooting Question

Select max 3 checkboxes from checkbox list

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MissNicolaFlag for United Kingdom of Great Britain and Northern Ireland asked on
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Hello all,

I am using a module on CMS where it builds custom data forms. The form comes with a javascript file where it has some custom functions which can be modified. I have created a form with ten options but I want my users to be able to choose up to a max of 3 options.
The listbox menu can be referred in the javascript file as $(listbox1). Each of the textboxes element ID is generated during runtime so I can't access them directly, so this is not the preferred method to access them.
Any ideas how to implement this?

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