摘要: var a = 123, b = '456'; console.info( a && b); var a1 = '111', b1 = '222', c2 = '333'; console.info(a1 || b1 && c2); var x1 = 'true', x2 = false, x3 = 阅读全文
posted @ 2020-06-15 09:17 pengsn 阅读(191) 评论(0) 推荐(0) 编辑