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模块模式之暴露模块模式翻译完毕

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`@@ -462,7 +462,38 @@ MYAPP.utilities.array = (function () {`
`462`	`462`
`463`	`463`	`模块模式被广泛使用，这是一种值得强烈推荐的模式，它可以帮助组织代码，尤其是代码量在不断增长的时候。`
`464`	`464`
	`465`	`+###暴露模块模式`
`465`	`466`
	`467`	`+我们在本章中讨论私有成员模式时已经讨论过暴露模式。模块模式也可以用类似的方法来组织，将所有的方法保持私有，只在最后暴露需要使用的方法来初始化API。`
	`468`	`+`
	`469`	`+上面的例子可以变成这样：`
	`470`	`+`
	`471`	`+MYAPP.utilities.array = (function () {`
	`472`	`+`
	`473`	`+// private properties`
	`474`	`+var array_string = "[object Array]",`
	`475`	`+ops = Object.prototype.toString,`
	`476`	`+`
	`477`	`+// private methods`
	`478`	`+inArray = function (haystack, needle) {`
	`479`	`+for (var i = 0, max = haystack.length; i < max; i += 1) {`
	`480`	`+if (haystack[i] === needle) {`
	`481`	`+return i;`
	`482`	`+}`
	`483`	`+}`
	`484`	`+return −1;`
	`485`	`+},`
	`486`	`+isArray = function (a) {`
	`487`	`+return ops.call(a) === array_string;`
	`488`	`+};`
	`489`	`+// end var`
	`490`	`+`
	`491`	`+// revealing public API`
	`492`	`+return {`
	`493`	`+isArray: isArray,`
	`494`	`+indexOf: inArray`
	`495`	`+};`
	`496`	`+}());`
`466`	`497`
`467`	`498`
`468`	`499`

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