Result

jQuery

$(document).ready(function() {
    //キーボードイベント
    $("#input").keyup(function() {
         //id="input"に入力した内容がid="out"に反映される
        $("#out").html($(this).val());
    });
    //クリックイベント
    $("#show").click(function() {
        //反映箇所の表示/非表示スイッチ
        $("#out").toggle();
        return false;
    });
});

css

/*非表示にしておく*/
#out{display:none;padding:1px;border:1px solid #666;width:152px;}

html

<input type="password" id="input"> <a id="show">show</a>
<p id="out"></p>

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