定义方法o1.js
const sum = function(a,b){
return a+b;
}
const sub = function(a,b){
return a-b;
}
module.exports={
sum,
sub
}
引用o2.js
const m =require("./o1.js");
var result = m.sub(2,3)
console.log(result)
调用
node o2.js
![](https://img.haomeiwen.com/i19540485/f28d804711e4de47.png)
const sum = function(a,b){
return a+b;
}
const sub = function(a,b){
return a-b;
}
module.exports={
sum,
sub
}
const m =require("./o1.js");
var result = m.sub(2,3)
console.log(result)
node o2.js
本文标题:es 5模块化
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