Application of Node.js modules

Node.js module

Create module

Define module: module.exports = {}

Use module: require(module name)

require searches for modules: File module cache area–> Native module–> File loading–> Cache file module

Case:

hello.js —Define module

[code]function Hello () {
    var name;
    this.setName = function (aName) {
        name = aName;
    };
    this.getName = function () {
        console.log('Hi, ' + name);
    }
}
module.exports = Hello;

getHello.js—Introduce module

[code]var Hello = require('./hello.js');
var hello = new Hello();
hello.setName('张三');
hello.getName();

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