问HTML5类型检测和插件初始化

EN

alert($("input:date"));
//returns "[object Object]" 

alert($("input[type='date']")); 
//returns "[object Object]"

alert($("input").attr("type"));
//returns "text" ... which is a lie. it should have been "date"

var inputAttr = $('<div>').append($(this).clone()).remove().html().toLowerCase();
alert(inputAttr);
// returns "<input min="-365" max="365" type="date">"

  <script type="text/javascript" >
    $(function () {
    var tM = document.createElement("input");
    tM.setAttribute("type", "date");
        if (tM.type == "text") {
            alert("No date type support on a browser level. Start adding date, week, month, and time fallbacks");
        //   Thanks: http://diveintohtml5.ep.io/detect.html

            $("input").each(function () {
                // If we read the type attribute directly from the DOM (some browsers) will return unknown attributes as text (like the first detection).  Making a clone allows me to read the input as a clone in a variable.  I don't know why.
                var inputAttr = $('<div>').append($(this).clone()).remove().html().toLowerCase();

                    alert(inputAttr);

                    if ( inputAttr.indexOf( "month" ) !== -1 )

                    {
                        //get HTML5 attributes from element
                        var tMmindate =  $(this).attr('min');
                        var tMmaxdate =  $(this).attr('max');
                        //add datepicker with attributes support and no animation (so we can use -ms-filter gradients for ie)
                         $(this).datepick({ 
                            renderer: $.datepick.weekOfYearRenderer,
                            onShow: $.datepick.monthOnly,
                            minDate: tMmindate, 
                            maxDate: tMmaxdate, 
                            dateFormat: 'yyyy-mm', 
                            showAnim: ''}); 
                    }
                    else
                    {

                        $(this).css('border', '5px solid red');
                        // test for more input types and apply init to them 
                    }

                });         
            }
        });

        </script>