{"id":166185,"date":"2024-05-08T15:31:15","date_gmt":"2024-05-08T07:31:15","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/166185.html"},"modified":"2024-05-08T15:31:19","modified_gmt":"2024-05-08T07:31:19","slug":"javascript%e4%b8%ad%ef%bc%8cnew%e6%93%8d%e4%bd%9c%e7%ac%a6%e7%9a%84%e5%b7%a5%e4%bd%9c%e5%8e%9f%e7%90%86%e6%98%af%e4%bb%80%e4%b9%88","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/166185.html","title":{"rendered":"javascript\u4e2d\uff0cnew\u64cd\u4f5c\u7b26\u7684\u5de5\u4f5c\u539f\u7406\u662f\u4ec0\u4e48"},"content":{"rendered":"

\"javascript\u4e2d\uff0cnew\u64cd\u4f5c\u7b26\u7684\u5de5\u4f5c\u539f\u7406\u662f\u4ec0\u4e48\"<\/p>\n

JavaScript\u4e2d\uff0cnew\u64cd\u4f5c\u7b26\u4e3b\u8981\u6267\u884c\u7684\u64cd\u4f5c\u5305\u62ec\u521b\u5efa\u4e00\u4e2a\u5168\u65b0\u7684\u5bf9\u8c61\u3001\u5c06\u8fd9\u4e2a\u65b0\u5bf9\u8c61\u7684[[Prototype]]\uff08\u5373__proto__\uff09\u94fe\u63a5\u5230\u5176\u6784\u9020\u51fd\u6570\u7684prototype\u5bf9\u8c61\u4e0a\u3001\u5c06\u6784\u9020\u51fd\u6570\u7684\u4f5c\u7528\u57df\u8d4b\u7ed9\u65b0\u5bf9\u8c61\uff08\u5373this\u6307\u5411\u65b0\u5bf9\u8c61\uff09\u3001\u6267\u884c\u6784\u9020\u51fd\u6570\u4e2d\u7684\u4ee3\u7801\u4ee5\u521d\u59cb\u5316\u8fd9\u4e2a\u65b0\u5bf9\u8c61\u3001\u6700\u540e\u8fd4\u56de\u65b0\u5bf9\u8c61\u3002<\/strong> \u5176\u6838\u5fc3\u4f5c\u7528\u5728\u4e8e\u5b9e\u4f8b\u5316\u4e00\u4e2a\u7c7b\u5e76\u521b\u5efa\u5176\u5bf9\u8c61\uff0c\u540c\u65f6\u786e\u4fdd\u5bf9\u8c61\u53ef\u4ee5\u8bbf\u95ee\u7c7b\u539f\u578b\u94fe\u4e0a\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\u3002<\/p>\n<\/p>\n

new\u64cd\u4f5c\u7b26\u7684\u5de5\u4f5c\u539f\u7406\u53ef\u4ee5\u8be6\u7ec6\u63cf\u8ff0\u4e3a\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n<\/p>\n

    \n
  1. \u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u7a7a\u5bf9\u8c61\u3002<\/li>\n
  2. \u65b0\u5bf9\u8c61\u5185\u90e8\u7684[[Prototype]]\u88ab\u94fe\u63a5\u5230\u6784\u9020\u51fd\u6570\u7684prototype\u5c5e\u6027\u5bf9\u5e94\u7684\u5bf9\u8c61\u4e0a\u3002<\/li>\n
  3. \u6784\u9020\u51fd\u6570\u4e2d\u7684this\u88ab\u7ed1\u5b9a\u5230\u8fd9\u4e2a\u65b0\u5bf9\u8c61\u4e0a\uff0c\u4f7f\u5f97\u6784\u9020\u51fd\u6570\u53ef\u4ee5\u5b9a\u4e49\u65b0\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\u5230\u65b0\u5bf9\u8c61\u4e0a\u3002<\/li>\n
  4. \u6267\u884c\u6784\u9020\u51fd\u6570\u5185\u90e8\u7684\u4ee3\u7801\uff0c\u7ed9\u65b0\u5bf9\u8c61\u6dfb\u52a0\u5c5e\u6027\u548c\u65b9\u6cd5\u3002<\/li>\n
  5. \u5982\u679c\u6784\u9020\u51fd\u6570\u8fd4\u56de\u7684\u662f\u4e00\u4e2a\u65b0\u7684\u5bf9\u8c61\uff0c\u5219\u8fd4\u56de\u8be5\u5bf9\u8c61\u3002\u5426\u5219\uff0c\u4e0d\u8fd4\u56de\u4efb\u4f55\u503c\u6216\u8fd4\u56de\u975e\u5bf9\u8c61\u503c\u65f6\uff0c\u5c06\u8fd4\u56de\u521a\u521b\u5efa\u7684\u65b0\u5bf9\u8c61\u3002<\/li>\n<\/ol>\n

    \u8fd9\u4e2a\u673a\u5236\u5141\u8bb8JavaScript\u5728\u4e0d\u5177\u6709\u7c7b\uff08class\uff09\u7684\u4f20\u7edf\u7ee7\u627f\u6a21\u578b\u4e2d\u6a21\u62df\u7c7b\u4f3c\u7684\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u6a21\u5f0f\u3002<\/p>\n<\/p>\n

    \u4e00\u3001NEW\u64cd\u4f5c\u7b26\u7684\u56db\u4e2a\u5173\u952e\u6b65\u9aa4<\/h3>\n<\/p>\n

    \u521b\u5efa\u4e00\u4e2a\u65b0\u5bf9\u8c61<\/h4>\n<\/p>\n

    JavaScript\u4e2d\u4f7f\u7528new\u64cd\u4f5c\u7b26\u540e\u4f1a\u9996\u5148\u521b\u5efa\u4e00\u4e2a\u7a7a\u7684JavaScript\u5bf9\u8c61\uff08\u5373 {}<\/code> \uff09\u3002\u8fd9\u4e00\u6b65\u9aa4\u6784\u5efa\u4e86\u4e00\u4e2a\u7eaf\u51c0\u7684\u5bf9\u8c61\uff0c\u5b83\u53ef\u4ee5\u88ab\u6784\u9020\u51fd\u6570\u8fdb\u4e00\u6b65\u52a0\u5de5\u3002<\/p>\n<\/p>\n

    \u8bbe\u7f6e\u539f\u578b\u94fe<\/h4>\n<\/p>\n

    \u65b0\u5bf9\u8c61\u5185\u90e8\u7684[[Prototype]]\u5c5e\u6027\uff08\u4e5f\u5c31\u662f\u5bf9\u8c61\u7684__proto__<\/code>\u5c5e\u6027\uff09\u4f1a\u88ab\u8bbe\u7f6e\u4e3a\u6784\u9020\u51fd\u6570\u7684prototype\u5c5e\u6027\u5bf9\u5e94\u7684\u5bf9\u8c61\u4e0a\u3002\u8fd9\u610f\u5473\u7740\u65b0\u5bf9\u8c61\u53ef\u4ee5\u8bbf\u95ee\u6784\u9020\u51fd\u6570\u539f\u578b\u4e0a\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\u3002<\/p>\n<\/p>\n

    \u521d\u59cb\u5316\u65b0\u5bf9\u8c61<\/h4>\n<\/p>\n

    \u6b64\u65f6\uff0c\u6784\u9020\u51fd\u6570\u5185\u90e8\u7684this\u4f1a\u6307\u5411\u65b0\u521b\u5efa\u7684\u5bf9\u8c61\uff0c\u6784\u9020\u51fd\u6570\u5c31\u53ef\u4ee5\u6839\u636e\u9700\u8981\u5411\u65b0\u5bf9\u8c61\u6dfb\u52a0\u5c5e\u6027\u548c\u65b9\u6cd5\u3002\u8fd9\u4e00\u6b65\u9aa4\u662f\u65b0\u5bf9\u8c61\u5c5e\u6027\u521d\u59cb\u5316\u7684\u9636\u6bb5\uff0c\u6784\u9020\u51fd\u6570\u5b9a\u4e49\u7684\u6240\u6709\u5c5e\u6027\u548c\u65b9\u6cd5\u90fd\u5c06\u5728\u8fd9\u91cc\u88ab\u52a0\u5165\u5230\u65b0\u5bf9\u8c61\u4e2d\u3002<\/p>\n<\/p>\n

    \u8fd4\u56de\u65b0\u5bf9\u8c61<\/h4>\n<\/p>\n

    \u5f53\u6784\u9020\u51fd\u6570\u5b8c\u6210\u521d\u59cb\u5316\u540e\uff0c\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u65b0\u5bf9\u8c61\u4f1a\u81ea\u52a8\u4f5c\u4e3anew\u64cd\u4f5c\u7b26\u7684\u8fd4\u56de\u503c\u3002\u5982\u679c\u6784\u9020\u51fd\u6570\u4e2d\u660e\u786e\u8fd4\u56de\u4e00\u4e2a\u5bf9\u8c61\uff0c\u90a3\u4e48\u8fd9\u4e2a\u5bf9\u8c61\u4f1a\u53d6\u4ee3\u521a\u521b\u5efa\u7684\u65b0\u5bf9\u8c61\u6210\u4e3anew\u64cd\u4f5c\u7b26\u7684\u8fd4\u56de\u7ed3\u679c\uff1b\u5982\u679c\u8fd4\u56de\u7684\u662f\u57fa\u672c\u7c7b\u578b\uff0c\u5219\u5ffd\u7565\u8be5\u8fd4\u56de\u503c\uff0c\u4f9d\u7136\u8fd4\u56de\u65b0\u521b\u5efa\u7684\u5bf9\u8c61\u3002<\/p>\n<\/p>\n

    \u4e8c\u3001EXAMPLES OF USING NEW OPERATOR<\/h3>\n<\/p>\n

    \u4f7f\u7528\u6784\u9020\u51fd\u6570\u521b\u5efa\u5b9e\u4f8b<\/h4>\n<\/p>\n
    \n

    function Person(name) {<\/p>\n
        this.name = name;<\/p>\n
        this.sayHello = function() {<\/p>\n
            console.log("Hello, my name is " + this.name);<\/p>\n
        };<\/p>\n
    }<\/p>\n
    var person1 = new Person("Alice");<\/p>\n
    person1.sayHello(); \/\/ Output: Hello, my name is Alice<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \n
    \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2aPerson\u6784\u9020\u51fd\u6570\uff0c\u63a5\u7740\u4f7f\u7528new\u5173\u952e\u8bcd\u521b\u5efa\u4e86\u4e00\u4e2aperson1\u7684\u5b9e\u4f8b\u3002\u901a\u8fc7new\u521b\u5efa\u7684\u5bf9\u8c61person1\u63a5\u4e0b\u6765\u53ef\u4ee5\u4f7f\u7528\u5728Person.prototype\u4e2d\u5b9a\u4e49\u7684\u65b9\u6cd5\u548c\u5c5e\u6027\u3002<\/p>\n<\/p>\n
    \u5bf9\u6bd4\u6ca1\u6709\u4f7f\u7528new\u64cd\u4f5c\u7b26\u7684\u60c5\u51b5<\/h4>\n<\/p>\n
    \n
    \/\/ Without new<\/p>\n
    var person2 = Person("Bob"); \/\/ \u6ce8\u610f\u8fd9\u91cc\u6ca1\u6709\u4f7f\u7528new<\/p>\n
    console.log(person2); \/\/ Output: undefined<\/p>\n
    \/\/ \u8fd9\u91cc\u4f1a\u770b\u5230sayHello\u672a\u5b9a\u4e49\u56e0\u4e3aPerson\u51fd\u6570\u662f\u666e\u901a\u51fd\u6570\u8c03\u7528\uff0c\u6ca1\u6709\u521b\u5efa\u65b0\u5bf9\u8c61<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \n
    \u5982\u679c\u4e0d\u4f7f\u7528new\u64cd\u4f5c\u7b26\u800c\u76f4\u63a5\u8c03\u7528\u6784\u9020\u51fd\u6570Person\uff0c\u90a3\u4e48this\u5c06\u4f1a\u6307\u5411\u5168\u5c40\u5bf9\u8c61\uff0c\u5728\u6d4f\u89c8\u5668\u4e2d\u662fwindow\uff0c\u5728Node.js\u4e2d\u662fglobal\u3002\u56e0\u6b64\u6784\u9020\u51fd\u6570\u5185\u90e8\u6dfb\u52a0\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\u4f1a\u53d8\u6210\u5168\u5c40\u5bf9\u8c61\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\uff0c\u800c\u4e0d\u662f\u65b0\u5bf9\u8c61\u7684\uff0c\u540c\u65f6\u4e5f\u4e0d\u4f1a\u521b\u5efa\u65b0\u7684\u5bf9\u8c61\u3002<\/p>\n<\/p>\n
    \u4e09\u3001ADVANCED TOPICS IN JAVASCRIPT CONSTRUCTION<\/h3>\n<\/p>\n
    \u81ea\u5b9a\u4e49\u6784\u9020\u51fd\u6570\u8fd4\u56de\u503c<\/h4>\n<\/p>\n
    \u5f53\u6784\u9020\u51fd\u6570\u8fd4\u56de\u4e00\u4e2a\u5bf9\u8c61\u65f6\uff0c\u5c06\u5ffd\u89c6\u4e4b\u524d\u7528new\u64cd\u4f5c\u7b26\u521b\u5efa\u7684\u5bf9\u8c61\uff0c\u800c\u8fd4\u56de\u6784\u9020\u51fd\u6570\u6307\u5b9a\u7684\u90a3\u4e2a\u5bf9\u8c61\uff0c\u8fd9\u5141\u8bb8\u66f4\u7075\u6d3b\u5730\u63a7\u5236\u8fd4\u56de\u7ed3\u679c\u3002<\/p>\n<\/p>\n
    \u63a2\u7a76\u539f\u578b\u94fe\u548c\u7ee7\u627f<\/h4>\n<\/p>\n
    \u7531\u4e8e\u65b0\u5bf9\u8c61\u7684[[Prototype]]\u88ab\u8bbe\u7f6e\u4e3a\u6784\u9020\u51fd\u6570\u7684prototype\u5c5e\u6027\uff0c\u6240\u4ee5\u6784\u9020\u51fd\u6570\u53ef\u4ee5\u4f5c\u4e3a\u4e00\u4e2a\u6865\u6881\u8ba9\u4e0d\u540c\u7684\u5b9e\u4f8b\u5171\u4eab\u539f\u578b\u94fe\u4e0a\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\uff0c\u8fd9\u662f\u5b9e\u73b0JavaScript\u7ee7\u627f\u7684\u5173\u952e\u6240\u5728\u3002<\/p>\n<\/p>\n
    \u56db\u3001NEW OPERATOR PITFALLS AND BEST PRACTICES<\/h3>\n<\/p>\n
    \u6784\u9020\u51fd\u6570\u4e2d\u7684\u9519\u8bef\u7528\u6cd5<\/h4>\n<\/p>\n
    \u907f\u514d\u5728\u6784\u9020\u51fd\u6570\u4e2d\u8fdb\u884c\u590d\u6742\u64cd\u4f5c\u6216\u4ea7\u751f\u526f\u4f5c\u7528\uff0c\u6784\u9020\u51fd\u6570\u5e94\u8be5\u4fdd\u6301\u8f7b\u91cf\u548c\u4e13\u6ce8\u4e8e\u5bf9\u8c61\u5b9e\u4f8b\u5316\u7684\u76ee\u7684\u3002<\/p>\n<\/p>\n
    \u4f7f\u7528\u65b0\u7684ECMAScript 2015\u7c7b\u8bed\u6cd5<\/h4>\n<\/p>\n
    ECMAScript 2015\u5f15\u5165\u4e86class\u5173\u952e\u5b57\u63d0\u4f9b\u66f4\u63a5\u8fd1\u4f20\u7edf\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u7684\u8bed\u6cd5\u7cd6\uff0c\u53ef\u4ee5\u66ff\u4ee3\u4f20\u7edf\u7684\u6784\u9020\u51fd\u6570\u548cnew\u64cd\u4f5c\u7b26\u7684\u7528\u6cd5\uff0c\u867d\u7136\u5e95\u5c42\u539f\u7406\u76f8\u540c\uff0c\u4f46\u4f7f\u7528class\u5173\u952e\u5b57\u53ef\u4ee5\u521b\u5efa\u66f4\u6e05\u6670\u548c\u7ed3\u6784\u5316\u7684\u4ee3\u7801\u3002<\/p>\n<\/p>\n
    \u603b\u7ed3\u8d77\u6765\uff0cnew\u64cd\u4f5c\u7b26\u5728JavaScript\u4e2d\u8d1f\u8d23\u6784\u9020\u5bf9\u8c61\u7684\u5b9e\u4f8b\u5316\u8fc7\u7a0b\uff0c\u901a\u8fc7\u521b\u5efa\u65b0\u5bf9\u8c61\u3001\u5efa\u7acb\u539f\u578b\u94fe\u8fde\u63a5\u3001\u4e3a\u65b0\u5bf9\u8c61\u5206\u914d\u5c5e\u6027\u548c\u65b9\u6cd5\uff0c\u5e76\u8fd4\u56de\u8be5\u5bf9\u8c61\uff0c\u5b83\u5141\u8bb8\u5f00\u53d1\u8005\u5728\u539f\u578b\u94fe\u7684\u57fa\u7840\u4e0a\u5b9e\u73b0\u7c7b\u548c\u5bf9\u8c61\u7684\u6982\u5ff5\u3002\u7406\u89e3\u8fd9\u4e9b\u673a\u5236\u5bf9\u4e8e\u6df1\u5165\u638c\u63e1JavaScript\u7684\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u81f3\u5173\u91cd\u8981\u3002<\/strong><\/p>\n<\/p>\n
    \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
    Q: \u5728JavaScript\u4e2d\uff0cnew\u64cd\u4f5c\u7b26\u7684\u4f5c\u7528\u662f\u4ec0\u4e48\uff1f<\/strong><\/p>\n
    A: new\u64cd\u4f5c\u7b26\u5728JavaScript\u4e2d\u7528\u4e8e\u521b\u5efa\u5bf9\u8c61\u5b9e\u4f8b\u3002\u5b83\u901a\u8fc7\u8c03\u7528\u4e00\u4e2a\u6784\u9020\u51fd\u6570\u6765\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u5bf9\u8c61\uff0c\u5e76\u5c06\u8be5\u5bf9\u8c61\u4f5c\u4e3a\u6784\u9020\u51fd\u6570\u7684\u4e0a\u4e0b\u6587\u3002\u8fd9\u610f\u5473\u7740\uff0c\u901a\u8fc7\u4f7f\u7528new\u64cd\u4f5c\u7b26\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u6784\u9020\u51fd\u6570\u5b9a\u4e49\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\u6765\u521d\u59cb\u5316\u548c\u64cd\u4f5c\u65b0\u521b\u5efa\u7684\u5bf9\u8c61\u3002<\/p>\n
    Q: JavaScript\u4e2d\uff0c\u5982\u4f55\u4f7f\u7528new\u64cd\u4f5c\u7b26\u521b\u5efa\u5bf9\u8c61\u5b9e\u4f8b\uff1f<\/strong><\/p>\n
    A: \u4f7f\u7528new\u64cd\u4f5c\u7b26\u521b\u5efa\u5bf9\u8c61\u5b9e\u4f8b\u7684\u6b65\u9aa4\u5982\u4e0b\uff1a<\/p>\n
      \n
    1. \u521b\u5efa\u4e00\u4e2a\u7a7a\u7684\u5bf9\u8c61\u3002<\/li>\n
    2. \u5c06\u8fd9\u4e2a\u65b0\u521b\u5efa\u7684\u7a7a\u5bf9\u8c61\u4f5c\u4e3a\u6784\u9020\u51fd\u6570\u7684\u4e0a\u4e0b\u6587\uff08this\uff09\u3002<\/li>\n
    3. \u6267\u884c\u6784\u9020\u51fd\u6570\u5185\u90e8\u7684\u4ee3\u7801\uff0c\u5b8c\u6210\u5c5e\u6027\u548c\u65b9\u6cd5\u7684\u521d\u59cb\u5316\u3002<\/li>\n
    4. \u8fd4\u56de\u8fd9\u4e2a\u65b0\u521b\u5efa\u7684\u5bf9\u8c61\u5b9e\u4f8b\u3002<\/li>\n<\/ol>\n
      \u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\u521b\u5efa\u4e00\u4e2a\u540d\u4e3aPerson\u7684\u5bf9\u8c61\u5b9e\u4f8b\uff1a<\/p>\n
      function Person(name, age) {\n  this.name = name;\n  this.age = age;\n}\n\nvar person1 = new Person("Alice", 25);\n<\/code><\/pre>\n
      Q: new\u64cd\u4f5c\u7b26\u548c\u666e\u901a\u51fd\u6570\u8c03\u7528\u6709\u4ec0\u4e48\u533a\u522b\uff1f<\/strong><\/p>\n
      A: new\u64cd\u4f5c\u7b26\u548c\u666e\u901a\u51fd\u6570\u8c03\u7528\u4e4b\u95f4\u5b58\u5728\u4e00\u4e9b\u5173\u952e\u533a\u522b\uff1a<\/p>\n
        \n
      • \u4f7f\u7528new\u64cd\u4f5c\u7b26\u8c03\u7528\u4e00\u4e2a\u6784\u9020\u51fd\u6570\u65f6\uff0c\u4f1a\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u5bf9\u8c61\u5b9e\u4f8b\u5e76\u5c06\u5176\u4f5c\u4e3a\u6784\u9020\u51fd\u6570\u7684\u4e0a\u4e0b\u6587\uff08this\uff09\uff1b\u800c\u666e\u901a\u51fd\u6570\u8c03\u7528\u53ea\u662f\u5728\u5f53\u524d\u51fd\u6570\u7684\u4e0a\u4e0b\u6587\u4e2d\u6267\u884c\u4ee3\u7801\u3002<\/li>\n
      • \u4f7f\u7528new\u64cd\u4f5c\u7b26\u8c03\u7528\u6784\u9020\u51fd\u6570\u65f6\uff0c\u6784\u9020\u51fd\u6570\u5185\u90e8\u7684\u4ee3\u7801\u4f1a\u88ab\u6267\u884c\u5e76\u7528\u4e8e\u521d\u59cb\u5316\u65b0\u521b\u5efa\u7684\u5bf9\u8c61\u5b9e\u4f8b\uff1b\u800c\u666e\u901a\u51fd\u6570\u8c03\u7528\u53ea\u4f1a\u6267\u884c\u51fd\u6570\u5185\u90e8\u7684\u4ee3\u7801\uff0c\u4e0d\u4f1a\u521b\u5efa\u65b0\u7684\u5bf9\u8c61\u5b9e\u4f8b\u3002<\/li>\n
      • \u4f7f\u7528new\u64cd\u4f5c\u7b26\u521b\u5efa\u7684\u5bf9\u8c61\u5b9e\u4f8b\u4f1a\u7ee7\u627f\u6784\u9020\u51fd\u6570\u7684\u539f\u578b\uff08prototype\uff09\u94fe\uff1b\u800c\u666e\u901a\u51fd\u6570\u8c03\u7528\u8fd4\u56de\u7684\u7ed3\u679c\u53d6\u51b3\u4e8e\u51fd\u6570\u7684\u8fd4\u56de\u503c\uff0c\u4e0d\u4f1a\u6d89\u53ca\u539f\u578b\u94fe\u7684\u7ee7\u627f\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"JavaScript\u4e2d\uff0cnew\u64cd\u4f5c\u7b26\u4e3b\u8981\u6267\u884c\u7684\u64cd\u4f5c\u5305\u62ec\u521b\u5efa\u4e00\u4e2a\u5168\u65b0\u7684\u5bf9\u8c61\u3001\u5c06\u8fd9\u4e2a\u65b0\u5bf9\u8c61\u7684[[Prototype […]","protected":false},"author":3,"featured_media":166192,"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\/166185"}],"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=166185"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/166185\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/166192"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=166185"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=166185"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=166185"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}