Result
jQuery
//チェックボックスをクリックするとイベント発火 $( "input[type=checkbox]" ).click( function (){ var $count = $( "input[type=checkbox]:checked" ).length; var $not = $( 'input[type=checkbox]' ).not( ':checked' ) //チェックが3つ付いたら、チェックされてないチェックボックスにdisabledを加える if ($count >= 3) { $not.attr( "disabled" , true ); } else { //3つ以下ならisabledを外す $not.attr( "disabled" , false ); } }); |
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