語法如下:var t = type(obj);使用舉例如下:var?t?=?type(1)?//?t==="number"var?t?=?type(new?Number(1))?//?t==="number"var?t?=?type("abc")?//?t==="string"var?t?=?type(new?String("abc"))?//?t==="string"var?t?=?type(true)?//?t==="boolean"var?t?=?type(undefined)?//?t==="undefined"var?t?=?type(null)?//?t==="null"var?t?=?type({})?//?t==="object"var?t?=?type([])?//?t==="array"var?t?=?type(new?Date)?//?t==="date"var?t?=?type(/\d/)?//?t==="regexp"var?t?=?type(function(){})?//?t==="function"
如何實(shí)現(xiàn)type函數(shù)用于識別標(biāo)準(zhǔn)類型和內(nèi)置對象類型,求高手點(diǎn)播
熠熠生陽
2015-10-23 20:14:21