="sidebar-heading open"><span>TypeScript</span> <span class="arrow down"></span></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/javascript/typescript/intro.html" class="sidebar-link">TypeScript 介绍</a></li><li><a href="/javascript/typescript/config-file.html" aria-current="page" class="active sidebar-link">tsconfig.json 配置文件</a></li><li><a href="/javascript/typescript/synax.html" class="sidebar-link">TypeScript 基本语法</a></li><li><a href="/javascript/typescript/type-attenti