摘要: let a = ""//undefined/null/new Function/new Object/{}/new Date()/"" console.log("33",Object.prototype.toString.call(a)) console.log(Object.prototype.t 阅读全文
posted @ 2021-01-13 15:45 问问大将军 阅读(114) 评论(0) 推荐(0) 编辑