js实现点击模拟下拉框外部隐藏下拉框功能

demo代码如下

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//引入jq文件

$(function(){

        $(document).click(function(e){

                if( e.target.id =='div'){

                        return true;

                }else{

                        if(e.target.id =='divShow'){

                                e.stopPropagation()

                        }else {

                                $('#div').hide();

               }

        }

    });

});

function show() {

    if($('#div').css('display')=='none'){

        $('#div').show();

    }else {

        $('#div').hide();

    }

}