import '../css/iconfont.css' import '../css/index.less' import print from './print' console.log('加载了index.js') print(); function add(x,y){ return x+y; } console.log(add(2,3)) /** * 仅支持非入口js文件 */ if (module.hot) { module.hot.accept('./print.js', function() { console.log('Accepting the updated printMe module!'); print(); }) }