jQuery--加一行减一行

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<div id="search_conditions">

    <div class="condition">

        <a onclick="AddCondition(this,‘#search_conditions‘)">+</a>

        <input />

    </div>

</div>

<script src="../js/jquery-2.1.4.min.js"></script>

<script type="text/javascript" >

    function AddCondition(ths,container){

        //克隆condition整个div

        //再把克隆的div追加到search_conditions下面

        var cp = $(ths).parent().clone();

        cp.children(‘:first‘).text(‘-‘).attr(‘onclick‘,‘RemoveCondition(this,"#search_conditions")‘);

        $(container).append(cp);

//            cp.appendTo(container)

    }

    function RemoveCondition(ths,container){

        $(ths).parent().remove();

    }

</script>