摘要: 比较下面两段代码,试述两段代码的不同之处 // A var scope = "global scope"; function checkscope(){ var scope = "local scope"; function f(){ return scope; } return f(); } ch 阅读全文
posted @ 2025-06-18 18:18 wuyongyu 阅读(5) 评论(0) 推荐(0)