How to auto check one checkbox after three or more checkbox has been checked by the user.

Question

Hello,

I need to have a checkbox automatically checked once three other check boxes has been checked by the user. I have attached a photo for a more visual look of what I have.

As it states "3 Required for 1 class B" Once the user checks 3 of the bottom boxes I need the check box off to the right to be checked. I understand Javascript will be involved. I understand how to make a 1:1 work but not so much a 3:1 considering the only way to trigger the script is a "Mouse up" trigger. So how would that work with three checkboxes? Any help would be grateful thanks.

Nesa Nurani · Answer

You can create text field and make it hidden and place script in its custom calculation, or you can use any text field you already have in your file and place script in its custom calculation script.var fields = ["NAIL CHANGE RIGHT", "PIGMENTED RIGHT", "SKIN TEXTURE RIGHT", "DIGITAL HAIR GROWTH RIGHT", "SKIN COLOR RIGHT"];var checked = 0;for ( var i=0; i<fields.length; i++){ if(this.getField(fields[i]).valueAsString !== "Off")  checked++;}this.getField("Q8").checkThisBox(0, (checked >= 3) ? true : false);

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