摘要：原文链接https://www.digitalocean.com/community/tutorials/how-to-install-and-use-sqlite-on-ubuntu-20-04 sudo apt update sudo apt install sqlite3 sqlite3 -- 阅读全文

摘要：console.log("普通函数方式"); var arr1 = [1, 2, 3, 4, 5]; arr1.forEach(function(e) { console.log(e); }); console.log("箭头函数方式"); var arr2 = [1, 2, 3, 4, 5]; a 阅读全文