javascript require 예제

	// fileA.js
	let a = 3;
	let b = 4;
	exports.sum = function(c, d) {
	console.log( "[fileA] sum() : a = " + a );
	console.log( "[fileA] sum() : b = " + b );
	console.log( "[fileA] sum() : c = " + c );
	console.log( "[fileA] sum() : d = " + d );
	return a + b + c + d;
	}

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	// fileB.js
	let a = 5;
	let b = 6;
	let moduleA = require("./fileA.js");
	let retA = moduleA.sum(a,b); // 3+4+5+6 = 18
	console.log( "[fileB] retA = " + retA );
	let e = 5;
	f = 6;
	console.log( "[fileB] (before require) e = " + e + ", f = " + f);
	let moduleC = require("./fileC.js");
	console.log( "[fileB] (after require) e = " + e + ", f = " + f);
	let retC = moduleC.sum(e,f); // 3+4+5+4 = 14
	console.log( "[fileB] retC = " + retC );

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	// fileC.js
	let e = 3;
	f = 4;
	exports.sum = function(g, h) {
	console.log( "[fileC] sum() : e = " + e );
	console.log( "[fileC] sum() : f = " + f );
	console.log( "[fileC] sum() : g = " + g );
	console.log( "[fileC] sum() : h = " + h );
	return e + f + g + h;
	}

view raw fileC.js hosted with ❤ by GitHub