{"id":167946,"date":"2024-05-08T16:13:26","date_gmt":"2024-05-08T08:13:26","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/167946.html"},"modified":"2024-05-08T16:13:29","modified_gmt":"2024-05-08T08:13:29","slug":"javascript-%e4%b8%ad%e5%a6%82%e4%bd%95%e9%80%9a%e8%bf%87-object-%e5%88%9b%e5%bb%ba%e5%91%bd%e5%90%8d%e7%a9%ba%e9%97%b4","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/167946.html","title":{"rendered":"JavaScript \u4e2d\u5982\u4f55\u901a\u8fc7 Object \u521b\u5efa\u547d\u540d\u7a7a\u95f4"},"content":{"rendered":"

\"JavaScript<\/p>\n

JavaScript \u4e2d\u53ef\u4ee5\u901a\u8fc7\u5bf9\u8c61\u5b57\u9762\u91cf\u7684\u65b9\u5f0f\u6765\u521b\u5efa\u547d\u540d\u7a7a\u95f4\uff0c\u8fd9\u6709\u52a9\u4e8e\u7ec4\u7ec7\u4ee3\u7801\u3001\u907f\u514d\u5168\u5c40\u53d8\u91cf\u6c61\u67d3<\/strong>\u3001\u7ba1\u7406\u6a21\u5757\u5316\u4ee3\u7801<\/strong>\u3001\u5e76\u786e\u4fdd\u4ee3\u7801\u66f4\u52a0\u6a21\u5757\u5316\u548c\u6613\u4e8e\u7ef4\u62a4\u3002\u521b\u5efa\u547d\u540d\u7a7a\u95f4\u6700\u7b80\u5355\u7684\u65b9\u6cd5\u662f\u58f0\u660e\u4e00\u4e2a\u5168\u5c40\u5bf9\u8c61\uff0c\u5e76\u5c06\u8be5\u547d\u540d\u7a7a\u95f4\u4e0b\u7684\u6240\u6709\u51fd\u6570\u3001\u53d8\u91cf\u548c\u5176\u4ed6\u5bf9\u8c61\u9644\u52a0\u5230\u8fd9\u4e2a\u5168\u5c40\u5bf9\u8c61\u4e0b\u3002\u4f8b\u5982\uff0c\u5982\u679c\u60a8\u6b63\u5728\u4e3a\u4e00\u4e2a\u540d\u4e3a\u201cMyApp\u201d\u7684\u5e94\u7528\u7f16\u5199\u4ee3\u7801\uff0c\u60a8\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u540c\u540d\u7684\u5168\u5c40\u5bf9\u8c61\uff0c\u5e76\u5c06\u6240\u6709\u76f8\u5173\u4ee3\u7801\u6dfb\u52a0\u5230\u8fd9\u4e2a\u5bf9\u8c61\u4e0b\u3002\u4ee3\u7801\u53ef\u7ef4\u62a4\u6027\u7684\u63d0\u5347\u4e3b\u8981\u6e90\u4e8e\u60a8\u5728\u9879\u76ee\u4e2d\u91c7\u7528\u4e86\u4e25\u683c\u7684\u7ed3\u6784\u6765\u7ec4\u7ec7\u4ee3\u7801\uff0c\u8fd9\u6837\u505a\u80fd\u591f\u8ba9\u60a8\u7684\u4ee3\u7801\u5e93\u66f4\u52a0\u6e05\u6670\u4e14\u6613\u4e8e\u5bfc\u822a\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u521b\u5efa\u57fa\u7840\u547d\u540d\u7a7a\u95f4<\/p>\n<\/p>\n

\u4e3a\u4e86\u521b\u5efa\u4e00\u4e2a\u57fa\u7840\u547d\u540d\u7a7a\u95f4\uff0c\u60a8\u53ef\u4ee5\u7b80\u5355\u5730\u58f0\u660e\u4e00\u4e2a\u5168\u5c40\u53d8\u91cf\u4f5c\u4e3a\u60a8\u7684\u547d\u540d\u7a7a\u95f4\u7684\u6839\u5bf9\u8c61\u3002<\/p>\n<\/p>\n

var MyApp = MyApp || {};<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u4e00\u884c\u4ee3\u7801\u68c0\u67e5\u662f\u5426\u5df2\u7ecf\u6709\u4e00\u4e2a\u540d\u4e3aMyApp<\/code>\u7684\u5168\u5c40\u53d8\u91cf\u5b58\u5728\uff0c\u5982\u679c\u6ca1\u6709\uff0c\u5c31\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u7a7a\u5bf9\u8c61\u3002\u91cd\u590d\u6267\u884c\u8fd9\u4e00\u884c\u4ee3\u7801\u4e0d\u4f1a\u8986\u76d6\u5df2\u5b58\u5728\u7684MyApp<\/code>\u5bf9\u8c61\uff0c\u8fd9\u5c31\u4fdd\u8bc1\u4e86\u547d\u540d\u7a7a\u95f4\u4e2d\u7684\u4ee3\u7801\u4e0d\u4f1a\u610f\u5916\u88ab\u6e05\u9664\u3002<\/p>\n<\/p>\n
\u63a5\u4e0b\u6765\uff0c\u60a8\u53ef\u4ee5\u5f00\u59cb\u5411MyApp<\/code>\u547d\u540d\u7a7a\u95f4\u6dfb\u52a0\u5c5e\u6027\u548c\u65b9\u6cd5\u3002<\/p>\n<\/p>\n
MyApp.version = "1.0.0";<\/p>\n
MyApp.initialize = function() {<\/p>\n
    console.log("MyApp is initialized");<\/p>\n
};<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e8c\u3001\u5d4c\u5957\u547d\u540d\u7a7a\u95f4<\/p>\n<\/p>\n
\u547d\u540d\u7a7a\u95f4\u53ef\u4ee5\u88ab\u5d4c\u5957\uff0c\u4ee5\u8fdb\u4e00\u6b65\u589e\u5f3a\u4ee3\u7801\u7684\u7ed3\u6784\u5316\u548c\u6a21\u5757\u5316\u3002<\/p>\n<\/p>\n
MyApp.utils = MyApp.utils || {};<\/p>\n
MyApp.modules = MyApp.modules || {};<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u91cc\uff0cutils<\/code>\u548cmodules<\/code>\u6210\u4e3a\u4e86MyApp<\/code>\u7684\u5b50\u547d\u540d\u7a7a\u95f4\uff0c\u5b83\u4eec\u4e5f\u5404\u81ea\u53ef\u4ee5\u5305\u542b\u65b9\u6cd5\u3001\u5c5e\u6027\u751a\u81f3\u662f\u5176\u4ed6\u547d\u540d\u7a7a\u95f4\u3002<\/p>\n<\/p>\n
MyApp.utils.calculate = function(a, b) {<\/p>\n
    return a + b;<\/p>\n
};<\/p>\n
MyApp.modules.module1 = (function() {<\/p>\n
    var _privateVar = "I am private";<\/p>\n
    return {<\/p>\n
        publicMethod: function() {<\/p>\n
            console.log(_privateVar);<\/p>\n
        }<\/p>\n
    };<\/p>\n
})();<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e09\u3001\u6a21\u5757\u5316\u548c\u5c01\u88c5<\/p>\n<\/p>\n
\u4efb\u4f55\u73b0\u4ee3\u7684JavaScript\u9879\u76ee\u90fd\u5e94\u8be5\u529b\u6c42\u4ee3\u7801\u7684\u6a21\u5757\u5316\u3002\u901a\u8fc7\u7acb\u5373\u6267\u884c\u51fd\u6570\u8868\u8fbe\u5f0f\uff08IIFE\uff09\u548c\u95ed\u5305\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u547d\u540d\u7a7a\u95f4\u4e2d\u521b\u5efa\u79c1\u6709\u6210\u5458\u3002<\/p>\n<\/p>\n
MyApp.modules.module2 = (function() {<\/p>\n
    var _privateVar = "Private";<\/p>\n
    function _privateMethod() {<\/p>\n
        console.log(_privateVar);<\/p>\n
    }<\/p>\n
    return {<\/p>\n
        publicMethod: function() {<\/p>\n
            _privateMethod();<\/p>\n
        }<\/p>\n
    };<\/p>\n
})();<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u56db\u3001ES6\u6a21\u5757\u4e0e\u547d\u540d\u7a7a\u95f4<\/p>\n<\/p>\n
\u968f\u7740ES6\u6a21\u5757\u7684\u5f15\u5165\uff0cJavaScript\u7684\u547d\u540d\u7a7a\u95f4\u5b9e\u8df5\u6709\u4e86\u65b0\u7684\u66ff\u4ee3\u65b9\u6848\u3002\u901a\u8fc7\u5229\u7528import<\/code>\u548cexport<\/code>\u5173\u952e\u5b57\uff0cES6\u6a21\u5757\u5141\u8bb8\u6211\u4eec\u4ee5\u4e00\u79cd\u539f\u751f\u7684\u3001\u66f4\u6807\u51c6\u5316\u7684\u65b9\u5f0f\u6765\u7ec4\u7ec7\u548c\u5c01\u88c5\u4ee3\u7801\u3002<\/p>\n<\/p>\n
\/\/ file: app.js<\/p>\n
export var version = "1.0.0";<\/p>\n
export function initialize() {<\/p>\n
    console.log("App is initialized");<\/p>\n
}<\/p>\n
\/\/ \u4f7f\u7528\u6a21\u5757\u65f6<\/p>\n
import * as MyApp from "app.js";<\/p>\n
MyApp.initialize();<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e94\u3001\u603b\u7ed3<\/p>\n<\/p>\n
\u4f7f\u7528\u5bf9\u8c61\u521b\u5efa\u547d\u540d\u7a7a\u95f4\u662fJavaScript\u7f16\u7a0b\u4e2d\u4e00\u79cd\u7b80\u6d01\u800c\u53c8\u5f3a\u5927\u7684\u8bbe\u8ba1\u6a21\u5f0f\u3002\u5b83\u8ba9\u4ee3\u7801\u66f4\u6709\u7ec4\u7ec7\u3001\u66f4\u6a21\u5757\u5316\uff0c\u540c\u65f6\u4e5f\u6709\u5229\u4e8e\u5927\u56e2\u961f\u7684\u534f\u4f5c\u5f00\u53d1\u3002\u5c3d\u7ba1ES6\u6a21\u5757\u63d0\u4f9b\u4e86\u4e00\u4e2a\u73b0\u4ee3\u7684\u6a21\u5757\u7cfb\u7edf\uff0c\u4f46\u7406\u89e3\u548c\u638c\u63e1\u57fa\u672c\u7684\u547d\u540d\u7a7a\u95f4\u6a21\u5f0f\u4ecd\u7136\u5bf9\u6bcf\u4e2aJavaScript\u5f00\u53d1\u8005\u6765\u8bf4\u975e\u5e38\u91cd\u8981\u3002\u901a\u8fc7\u6df1\u5165\u638c\u63e1\u8fd9\u4e9b\u6982\u5ff5\uff0c\u60a8\u5c06\u80fd\u591f\u7f16\u5199\u51fa\u65e2\u4e13\u4e1a\u53c8\u5177\u6709\u9ad8\u5ea6\u7ef4\u62a4\u6027\u7684JavaScript\u4ee3\u7801\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
\u5982\u4f55\u5728 JavaScript \u4e2d\u5229\u7528 Object \u521b\u5efa\u547d\u540d\u7a7a\u95f4\uff1f<\/strong><\/p>\n
\u901a\u8fc7\u4f7f\u7528 Object \u5bf9\u8c61\uff0c\u53ef\u4ee5\u5f88\u5bb9\u6613\u5730\u5728 JavaScript \u4e2d\u521b\u5efa\u547d\u540d\u7a7a\u95f4\u3002\u53ea\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u5bf9\u8c61\uff0c\u5e76\u7ed9\u5b83\u6dfb\u52a0\u5c5e\u6027\u548c\u65b9\u6cd5\uff0c\u5373\u53ef\u5c06\u5b83\u4eec\u7ec4\u7ec7\u5728\u4e00\u4e2a\u547d\u540d\u7a7a\u95f4\u4e2d\u3002\u4f8b\u5982\uff1a<\/p>\n
var MyNamespace = {\n  name: "MyNamespace",\n  version: "1.0",\n  foo: function() {\n    console.log("Hello from MyNamespace!");\n  }\n};\n<\/code><\/pre>\n
\u901a\u8fc7\u4e0a\u8ff0\u4ee3\u7801\uff0c\u6211\u4eec\u6210\u529f\u521b\u5efa\u4e86\u4e00\u4e2a\u540d\u4e3a MyNamespace \u7684\u547d\u540d\u7a7a\u95f4\uff0c\u5176\u4e2d\u5305\u542b\u4e86\u4e00\u4e2a\u540d\u4e3a foo \u7684\u65b9\u6cd5\u3002\u8981\u8c03\u7528\u8fd9\u4e2a\u65b9\u6cd5\uff0c\u53ef\u4ee5\u4f7f\u7528\uff1a<\/p>\n
MyNamespace.foo(); \/\/ \u8f93\u51fa\uff1aHello from MyNamespace!\n<\/code><\/pre>\n
\u4e3a\u4ec0\u4e48\u8981\u4f7f\u7528\u547d\u540d\u7a7a\u95f4\u6765\u7ec4\u7ec7 JavaScript \u4ee3\u7801\uff1f<\/strong><\/p>\n
\u5728 JavaScript \u4e2d\uff0c\u968f\u7740\u9879\u76ee\u7684\u590d\u6742\u5ea6\u589e\u52a0\uff0c\u4ee3\u7801\u7684\u7ec4\u7ec7\u53d8\u5f97\u5c24\u4e3a\u91cd\u8981\u3002\u4f7f\u7528\u547d\u540d\u7a7a\u95f4\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u5c06\u76f8\u5173\u7684\u51fd\u6570\u3001\u5bf9\u8c61\u548c\u53d8\u91cf\u7ec4\u7ec7\u5728\u4e00\u8d77\uff0c\u964d\u4f4e\u4ee3\u7801\u4e4b\u95f4\u7684\u51b2\u7a81\u548c\u547d\u540d\u51b2\u7a81\u7684\u53ef\u80fd\u6027\u3002\u540c\u65f6\uff0c\u547d\u540d\u7a7a\u95f4\u8fd8\u53ef\u4ee5\u63d0\u9ad8\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\uff0c\u4f7f\u6211\u4eec\u7684\u4ee3\u7801\u66f4\u52a0\u6a21\u5757\u5316\u548c\u53ef\u6269\u5c55\u3002<\/p>\n
\u6709\u6ca1\u6709\u5176\u4ed6\u65b9\u6cd5\u6765\u521b\u5efa JavaScript \u547d\u540d\u7a7a\u95f4\uff1f<\/strong><\/p>\n
\u9664\u4e86\u4f7f\u7528 Object \u5bf9\u8c61\u6765\u521b\u5efa\u547d\u540d\u7a7a\u95f4\u4e4b\u5916\uff0c\u8fd8\u6709\u5176\u4ed6\u65b9\u6cd5\u53ef\u4ee5\u5b9e\u73b0\u8fd9\u4e00\u76ee\u6807\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528\u81ea\u6267\u884c\u51fd\u6570\uff08Immediately Invoked Function Expression\uff0cIIFE\uff09\u6765\u521b\u5efa\u4e00\u4e2a\u95ed\u5305\uff0c\u5c06\u4ee3\u7801\u5c01\u88c5\u5728\u5176\u4e2d\uff0c\u5b9e\u73b0\u7c7b\u4f3c\u7684\u6548\u679c\u3002\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u5728\u521b\u5efa\u547d\u540d\u7a7a\u95f4\u7684\u540c\u65f6\uff0c\u907f\u514d\u5168\u5c40\u53d8\u91cf\u7684\u6c61\u67d3\uff0c\u63d0\u9ad8\u4ee3\u7801\u7684\u5c01\u88c5\u6027\u548c\u5b89\u5168\u6027\u3002\u4f8b\u5982\uff1a<\/p>\n
var MyNamespace = (function() {\n  var privateVariable = "This is a private variable.";\n\n  return {\n    name: "MyNamespace",\n    version: "1.0",\n    foo: function() {\n      console.log("Hello from MyNamespace!");\n    }\n  };\n})();\n<\/code><\/pre>\n
\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86\u4e00\u4e2a\u81ea\u6267\u884c\u51fd\u6570\uff0c\u5c06\u4ee3\u7801\u5305\u88f9\u5728\u4e00\u4e2a\u95ed\u5305\u4e2d\uff0c\u5e76\u5c06\u8fd4\u56de\u503c\u8d4b\u7ed9\u4e86 MyNamespace \u53d8\u91cf\u3002\u8fd9\u6837\uff0c\u6211\u4eec\u53ef\u4ee5\u8bbf\u95ee MyNamespace \u5bf9\u8c61\u4e2d\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\uff0c\u4f46\u65e0\u6cd5\u76f4\u63a5\u8bbf\u95ee\u95ed\u5305\u4e2d\u7684\u79c1\u6709\u53d8\u91cf privateVariable\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"JavaScript \u4e2d\u53ef\u4ee5\u901a\u8fc7\u5bf9\u8c61\u5b57\u9762\u91cf\u7684\u65b9\u5f0f\u6765\u521b\u5efa\u547d\u540d\u7a7a\u95f4\uff0c\u8fd9\u6709\u52a9\u4e8e\u7ec4\u7ec7\u4ee3\u7801\u3001\u907f\u514d\u5168\u5c40\u53d8\u91cf\u6c61\u67d3\u3001\u7ba1\u7406\u6a21\u5757\u5316 […]","protected":false},"author":3,"featured_media":167951,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/167946"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=167946"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/167946\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/167951"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=167946"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=167946"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=167946"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}