jQery とか要素の表示非表示切り替え head level3 click hereparagraph paragraph Definition Term click hereDefinition Description $(".trg").next().slideUp(); $(".trg").click(function(){ $(this).next().slideToggle('fast');//”slow”,”normal”,”fast” or "ミリ秒" }); 要素の表示非表示切り替え（アイコン付き） head level3 click hereparagraph paragraph Definition Term click hereDefinition Description $(".itrg > a").attr("href","javascript:void(0);"); $(".
