How do you limit options selected in a html select box?

Question

I\'m using a select tag in a form I\'m making that allows multiple selections, but I want to make the maximum amount of selections upto 10. Is this possible using javascript

Answer 1

Voila! No Jquery necessary.

    var is = 0;
    for (var i = 0; i < selectCountryCode.length; i++) {
        if (selectCountryCode.options[i].selected) {
            is++;
        }
        if (is > 3) {
            selectCountryCode.options[i].selected = false;              
        }
    }

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