js exports export

function say(){
  console.log("say hello11")
}
function hi(){
  console.log("say hi11")
}
//commonjs-----exports-----
//module.exports.say=say  //const sayhi=require('./crc32.js') sayhi.say()
//module.exports.say=say //const sayhi=require('./crc32.js') sayhi()
//const sayhi=require('./crc32.js') sayhi() sayhi.say() sayhi.hi()
// exports.say=say
// exports.hi=hi
//------export-------
//const num=20;
//export default num;  //import num from './crc32'
export const say1=function(){
  console.log("say1 hello")
}
function hi1(){
  console.log("say111hi11")
}
export {hi1} //import { say1, hi1 } from './crc32'