本文翻译自：Get element type with jQueryIs it possible, using jQuery, to find out the type of an element with jQuery? 是否可以使用jQuery通过jQuery找出元素的类型？ For example, is the element a div, span, select, or input?
var class2type = {};
("Boolean Number String Function Array Date RegExp Object Error").split(" ").forEach(function(item,index){
class2type["[object "+item+']'] = item.toLowerCase();
})
function type
