{"id":6481,"date":"2022-07-18T16:27:46","date_gmt":"2022-07-18T08:27:46","guid":{"rendered":"http:\/\/123.57.164.21\/?p=6481"},"modified":"2022-07-18T16:27:46","modified_gmt":"2022-07-18T08:27:46","slug":"object-defineproperty%e8%af%a6%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/92it.top\/?p=6481","title":{"rendered":"Object.defineProperty()\u8be6\u89e3"},"content":{"rendered":"\n

\u8f6c\u8f7d\uff1ahttps:\/\/www.cnblogs.com\/ldq678\/p\/13854113.html<\/p>\n\n\n\n

Object.defineProperty \u662f\u4ec0\u4e48\uff1f<\/strong><\/p>\n\n\n\n

\n\n\n\n

\u5047\u8bbe\u6211\u4eec\u6709\u4e2a\u5bf9\u8c61 user ; \u6211\u4eec\u8981\u7ed9\u5b83\u589e\u52a0\u4e00\u4e2a\u5c5e\u6027 name , \u6211\u4eec\u4f1a\u8fd9\u4e48\u505a\u3000\u3000<\/p>\n\n\n\n

\n1 var user = {};\n2 user.name=\"\u72c2\u5954\u7684\u8717\u725b\";\n3 console.log(user);\/\/{name: \"\u72c2\u5954\u7684\u8717\u725b\"}\n<\/pre>\n\n\n\n
\u5982\u679c\u60f3\u8981\u589e\u52a0\u4e00\u4e2asayHi\u65b9\u6cd5\uff1f\u3000\u3000<\/p>\n\n\n\n
\n1 user.sayHi=function () { console.log(\"Hi !\") };\n2 console.log(user);\/\/{name: \"\u72c2\u5954\u7684\u8717\u725b\", sayHi: \u0192n}\n<\/pre>\n\n\n\n
Object.defineProperty\u00a0<\/code>\u5c31\u662f\u505a\u8fd9\u4e2a\u7684<\/p>\n\n\n\n
\u90a3\u4e48Object.defineProperty \u600e\u4e48\u7528\uff1f<\/strong><\/p>\n\n\n\n
\n\n\n\n
Object.defineProperty \u9700\u8981\u4e09\u4e2a\u53c2\u6570\uff08object , propName , descriptor\uff09<\/p>\n\n\n\n
  • 1 object \u5bf9\u8c61 => \u7ed9\u8c01\u52a0<\/li>
  • 2 propName \u5c5e\u6027\u540d => \u8981\u52a0\u7684\u5c5e\u6027\u7684\u540d\u5b57 \u3010\u7c7b\u578b\uff1aString\u3011<\/li>
  • 3 descriptor \u5c5e\u6027\u63cf\u8ff0 => \u52a0\u7684\u8fd9\u4e2a\u5c5e\u6027\u6709\u4ec0\u4e48\u6837\u7684\u7279\u6027\u3010\u7c7b\u578b\uff1aObject\u3011<\/li><\/ul>\n\n\n\n
    \u90a3\u4e48descriptor<\/code>\u8fd9\u4e2a\u662f\u4e2a\u5bf9\u8c61 \uff0c\u4ed6\u6709\u90a3\u4e9b\u5c5e\u6027\u5462 ? \u522b\u7740\u6025\u6211\u4eec\u4e00\u4e2a\u4e00\u4e2a\u8bf4\uff1b<\/p>\n\n\n\n
    \u65e2\u7136\u53ef\u4ee5\u7ed9\u4e00\u4e2a\u5bf9\u8c61\u589e\u52a0\u5c5e\u6027\uff0c\u90a3\u4e48\u6211\u4eec\u7528\u5b83\u6765\u505a\u4e00\u4e0b\u7ed9 user\u6dfb\u52a0 name\u5c5e\u6027\uff0c\u4ee3\u7801\u662f\u8fd9\u6837\u7684\u3000<\/p>\n\n\n\n
    \n1 var user = {};\n2 Object.defineProperty(user,\"name\",{\n3  value:\"\u72c2\u5954\u7684\u8717\u725b\"\n4 })\n5 console.log(user);\/\/{name: \"\u72c2\u5954\u7684\u8717\u725b\"}\n<\/pre>\n\n\n\n
    \u8bf4\u660e<\/strong> \u662f\u7684\u8fd8\u662f\u90a3\u4e2a\u7ecf\u5178\u7684value<\/code>\u5c5e\u6027\uff0c\u4ed6\u5c31\u662f\u8bbe\u7f6e\u5c5e\u6027\u503c\u7684\u3002<\/p>\n\n\n\n
    \u7b49\u7b49\uff0c\u5c5e\u6027\u503c\u53ea\u80fd\u4e3a\u5b57\u7b26\u4e32\u5417\uff1f\u6211\u4eec\u7684 number function Object boolean \u7b49\u5462\uff1f\u3000\u3000<\/p>\n\n\n\n
    var user = {};\nObject.defineProperty(user,\"name\",{\n value:\"\u72c2\u5954\u7684\u8717\u725b\"\n})\nObject.defineProperty(user,\"isSlow\",{\n value:true\n})\nObject.defineProperty(user,\"sayHi\",{\n value:function () { console.log(\"Hi !\") }\n})\nObject.defineProperty(user,\"age\",{\n value:12\n})\nObject.defineProperty(user,\"birth\",{\n value:{\n  date:\"2018-06-29\",\n  hour:\"15:30\"\n }\n})\nconsole.log(user);<\/pre>\n\n\n\n
    \"\"<\/figure><\/div>\n\n\n\n
    \u8bf4\u660e<\/strong> \u4e8b\u5b9e\u8bc1\u660e\u4efb\u4f55\u7c7b\u578b\u7684\u6570\u636e\u90fd\u662f\u53ef\u4ee5\u7684\u54e6~<\/p>\n\n\n\n
    \u95ee\u9898\u53c8\u6765\u4e86\uff0c\u5982\u679c user\u5bf9\u8c61\u5df2\u7ecf\u6709\u4e86name\u5c5e\u6027\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7Object.defineProperty\u6539\u53d8\u8fd9\u4e2a\u503c\u5417\uff1f<\/p>\n\n\n\n
    \u6211\u4eec\u6765\u8bd5\u8bd5<\/p>\n\n\n\n
    var user = {};\nObject.defineProperty(user,\"name\",{\n value:\"\u72c2\u5954\u7684\u8717\u725b\"\n})\nconsole.log(user);\nuser.name=\"\u65b0=>\u72c2\u5954\u7684\u8717\u725b\"\nconsole.log(user);<\/pre>\n\n\n\n
    \u54a6\uff1f\uff1f\u4e3a\u4ec0\u4e48\u6211\u6539\u4e86\u6ca1\u4f5c\u7528\u52d2\uff1f\uff1f<\/p>\n\n\n\n
    \u539f\u56e0\uff1a\u4e0a\u8fb9\u8bf4\u4e86descriptor\u6709\u5f88\u591a\u5c5e\u6027\uff0c\u9664\u4e86value\u5c5e\u6027\u8fd8\u6709\u4e2a writable\u3010\u987e\u540d\u601d\u4e49\u5c5e\u6027\u662f\u5426\u53ef\u4ee5\u88ab\u91cd\u65b0\u8d4b\u503c\u3011\u63a5\u53d7\u6570\u636e\u7c7b\u578b\u4e3a boolean\uff08\u9ed8\u8ba4\u4e3afalse\uff09 true => \u652f\u6301\u88ab\u91cd\u65b0\u8d4b\u503c false=>\u53ea\u8bfb<\/p>\n\n\n\n
    \u54e6\u54e6\uff0c\u539f\u6765\u5982\u679c\u6211\u6ca1\u8bbe\u7f6ewritable\u503c\u7684\u65f6\u5019\u5c31\u9ed8\u8ba4\u53ea\u8bfb\u554a\uff0c\u6240\u4ee5\u624d\u6539\u4e0d\u6389<\/p>\n\n\n\n
    \u90a3\u6211\u4eec\u770b\u770b\uff0c\u8bbe\u7f6e\u4e3atrue\uff0c\u662f\u4e0d\u662f\u5c31\u53ef\u4ee5\u6539\u6389\u4e86\u3002<\/p>\n\n\n\n
    var user = {};\nObject.defineProperty(user,\"name\",{\n value:\"\u72c2\u5954\u7684\u8717\u725b\",\n writable:true\n})\nconsole.log(user);\nuser.name=\"\u65b0=>\u72c2\u5954\u7684\u8717\u725b\"\nconsole.log(user);<\/pre>\n\n\n\n
    \"\"<\/figure><\/div>\n\n\n\n
    \u8fd9\u4e2adescriptor\u8fd8\u6709\u5176\u4ed6\u7684\u5c5e\u6027\u5417\uff1fenumerable\u3010\u987e\u540d\u601d\u4e49\u5c5e\u6027\u662f\u5426\u53ef\u4ee5\u88ab\u679a\u4e3e\u3011\u63a5\u53d7\u6570\u636e\u7c7b\u578b\u4e3a boolean\uff08\u9ed8\u8ba4\u4e3afalse\uff09 true => \u652f\u6301\u88ab\u679a\u4e3e false=>\u4e0d\u652f\u6301<\/p>\n\n\n\n
    \u989d\u3002\u3002\u3002\u679a\u4e3e\uff1f\uff1f\u4ec0\u2026.\u4ec0\u4e48\u610f\u601d\uff1f<\/p>\n\n\n\n
    \u5047\u8bbe\u6211\u4eec\u60f3\u77e5\u9053\u8fd9\u4e2a user\u5bf9\u8c61\u6709\u54ea\u4e9b\u5c5e\u6027\u6211\u4eec\u4e00\u822c\u4f1a\u8fd9\u4e48\u505a<\/p>\n\n\n\n
    var user ={\n name:\"\u72c2\u5954\u7684\u8717\u725b\",\n age:25\n} ;\n\n\/\/es6\nvar keys=Object.keys(user)\nconsole.log(keys);\/\/ ['name','age']\n\/\/es5\nvar keys=[];\nfor(key in user){\n keys.push(key);\n}\nconsole.log(keys);\/\/ ['name','age']<\/pre>\n\n\n\n
    \u5982\u679c\u6211\u4eec\u4f7f\u7528 Object.\u7684\u65b9\u5f0f\u5b9a\u4e49\u5c5e\u6027\u4f1a\u53d1\u751f\u4ec0\u4e48\u5462\uff1f\u6211\u4eec\u6765\u770b\u4e0b\u8f93\u51fa<\/p>\n\n\n\n
    var user ={\n name:\"\u72c2\u5954\u7684\u8717\u725b\",\n age:25\n} ;\n\/\/\u5b9a\u4e49\u4e00\u4e2a\u6027\u522b \u53ef\u4ee5\u88ab\u679a\u4e3e\nObject.defineProperty(user,\"gender\",{\n value:\"\u7537\",\n enumerable:true\n})\n\n\/\/\u5b9a\u4e49\u4e00\u4e2a\u51fa\u751f\u65e5\u671f \u4e0d\u53ef\u4ee5\u88ab\u679a\u4e3e\nObject.defineProperty(user,\"birth\",{\n value:\"1956-05-03\",\n enumerable:false\n})\n\n\/\/es6\nvar keys=Object.keys(user)\nconsole.log(keys);\n\/\/ [\"name\", \"age\", \"gender\"]\n\nconsole.log(user);\n\/\/ {name: \"\u72c2\u5954\u7684\u8717\u725b\", age: 25, gender: \"\u7537\", birth: \"1956-05-03\"}\nconsole.log(user.birth);\n\/\/ 1956-05-03<\/pre>\n\n\n\n
    \u8bf4\u660e<\/strong>\u3000\u5f88\u660e\u663e\uff0c\u6211\u4eec\u5b9a\u4e49\u4e3a\u3000enumerable=false<\/code>\u7684birth<\/code>\u5c5e\u6027\u5e76\u6ca1\u6709\u88ab\u904d\u5386\u51fa\u6765\uff0c\u904d\u5386 => \u5176\u5b9e\u5c31\u662f\u679a\u4e3e\uff08\u4e2a\u4eba\u7406\u89e3\u5566\uff0c\u4e0d\u559c\u52ff\u55b7\u54e6~\uff09<\/p>\n\n\n\n
    \u603b\u7ed3\u3000<\/strong>enumerable\u00a0<\/code>\u5c5e\u6027\u53d6\u503c\u4e3a\u00a0\u5e03\u5c14\u7c7b\u578b true | false\u00a0<\/code>\u9ed8\u8ba4\u503c\u4e3a\u00a0false<\/code>\uff0c\u4e3a\u771f\u5c5e\u6027\u53ef\u4ee5\u88ab\u679a\u4e3e\uff1b\u53cd\u4e4b\u5219\u4e0d\u80fd\u3002\u6b64\u8bbe\u7f6e\u4e0d\u5f71\u54cd\u5c5e\u6027\u7684\u8c03\u7528\u548c \u67e5\u770b\u5bf9\u8c61\u7684\u503c\u3002<\/p>\n\n\n\n
    configurable\u00a0<\/code>\u662f\u63a5\u4e0b\u6765\u6211\u4eec\u8981\u8bb2\u7684\u4e00\u4e2a\u5c5e\u6027\uff0c\u8fd9\u4e2a\u5c5e\u6027\u6709\u4e24\u4e2a\u4f5c\u7528\uff1a<\/p>\n\n\n\n
    • 1 \u5c5e\u6027\u662f\u5426\u53ef\u4ee5\u88ab\u5220\u9664<\/li>
    • 2 \u5c5e\u6027\u7684\u7279\u6027\u5728\u7b2c\u4e00\u6b21\u8bbe\u7f6e\u4e4b\u540e\u53ef\u5426\u88ab\u91cd\u65b0\u5b9a\u4e49\u7279\u6027<\/li><\/ul>\n\n\n\n
      var user ={\n name:\"\u72c2\u5954\u7684\u8717\u725b\",\n age:25\n} ;\n\/\/\u5b9a\u4e49\u4e00\u4e2a\u6027\u522b \u4e0d\u53ef\u4ee5\u88ab\u5220\u9664\u548c\u91cd\u65b0\u5b9a\u4e49\u7279\u6027\nObject.defineProperty(user,\"gender\",{\n value:\"\u7537\",\n enumerable:true,\n configurable:false\n})\n\n\/\/\u5220\u9664\u4e00\u4e0b\ndelete user.gender;\nconsole.log(user);\/\/{name: \"\u72c2\u5954\u7684\u8717\u725b\", age: 25, gender: \"\u7537\"}\n\n\/\/\u91cd\u65b0\u5b9a\u4e49\u7279\u6027\nObject.defineProperty(user,\"gender\",{\n value:\"\u7537\",\n enumerable:true,\n configurable:true\n})\n\/\/ Uncaught TypeError: Cannot redefine property: gender\n\/\/\u4f1a\u62a5\u9519\uff0c\u5982\u4e0b\u56fe<\/pre>\n\n\n\n
      \"\"<\/figure><\/div>\n\n\n\n
      \u8bbe\u7f6e\u4e3a true<\/p>\n\n\n\n
      var user ={\n name:\"\u72c2\u5954\u7684\u8717\u725b\",\n age:25\n} ;\n\/\/\u5b9a\u4e49\u4e00\u4e2a\u6027\u522b \u53ef\u4ee5\u88ab\u5220\u9664\u548c\u91cd\u65b0\u5b9a\u4e49\u7279\u6027\nObject.defineProperty(user,\"gender\",{\n value:\"\u7537\",\n enumerable:true,\n configurable:true\n})\n\n\/\/\u5220\u9664\u524d\nconsole.log(user);\n\/\/ {name: \"\u72c2\u5954\u7684\u8717\u725b\", age: 25, gender: \"\u7537\"}\n\n\/\/\u5220\u9664\u4e00\u4e0b\ndelete user.gender;\nconsole.log(user);\n\/\/ {name: \"\u72c2\u5954\u7684\u8717\u725b\", age: 25}\n\n\/\/\u91cd\u65b0\u5b9a\u4e49\u7279\u6027\nObject.defineProperty(user,\"gender\",{\n value:\"\u7537\",\n enumerable:true,\n configurable:false\n})\n\n\/\/\u5220\u9664\u524d\nconsole.log(user);\n\/\/ {name: \"\u72c2\u5954\u7684\u8717\u725b\", age: 25, gender: \"\u7537\"}\n\/\/\u5220\u9664\u4e00\u4e0b \u5220\u9664\u5931\u8d25\ndelete user.gender;\nconsole.log(user);\n\/\/ {name: \"\u72c2\u5954\u7684\u8717\u725b\", age: 25, gender: \"\u7537\"}<\/pre>\n\n\n\n
      \u603b\u7ed3<\/strong>\u00a0configurable<\/code>\u8bbe\u7f6e\u4e3a true \u5219\u8be5\u5c5e\u6027\u53ef\u4ee5\u88ab\u5220\u9664\u548c\u91cd\u65b0\u5b9a\u4e49\u7279\u6027\uff1b\u53cd\u4e4b\u5c5e\u6027\u662f\u4e0d\u53ef\u4ee5\u88ab\u5220\u9664\u548c\u91cd\u65b0\u5b9a\u4e49\u7279\u6027\u7684\uff0c\u9ed8\u8ba4\u503c\u4e3afalse\uff08Ps.\u9664\u4e86\u53ef\u4ee5\u7ed9\u65b0\u5b9a\u4e49\u7684\u5c5e\u6027\u8bbe\u7f6e\u7279\u6027\uff0c\u4e5f\u53ef\u4ee5\u7ed9\u5df2\u6709\u7684\u5c5e\u6027\u8bbe\u7f6e\u7279\u6027\u54c8<\/code>\uff09<\/p>\n\n\n\n
      \u6700\u540e\u6211\u4eec\u6765\u8bf4\u8bf4\uff0c\u6700\u91cd\u8981\u7684\u4e24\u4e2a\u5c5e\u6027\u00a0set<\/code>\u548cget<\/code>\uff08\u5373\u5b58\u53d6\u5668\u63cf\u8ff0\uff1a\u5b9a\u4e49\u5c5e\u6027\u5982\u4f55\u88ab\u5b58\u53d6\uff09\uff0c\u8fd9\u4e24\u4e2a\u5c5e\u6027\u662f\u505a\u4ec0\u4e48\u7528\u7684\u5462\uff1f\u6211\u4eec\u901a\u8fc7\u4ee3\u7801\u6765\u770b\u770b<\/p>\n\n\n\n
      var user ={\n name:\"\u72c2\u5954\u7684\u8717\u725b\"\n} ;\nvar count = 12;\n\/\/\u5b9a\u4e49\u4e00\u4e2aage \u83b7\u53d6\u503c\u65f6\u8fd4\u56de\u5b9a\u4e49\u597d\u7684\u53d8\u91cfcount\nObject.defineProperty(user,\"age\",{\n get:function(){\n  return count;\n }\n})\nconsole.log(user.age);\/\/12\n\n\/\/\u5982\u679c\u6211\u6bcf\u6b21\u83b7\u53d6\u7684\u65f6\u5019\u8fd4\u56decount+1\u5462\nvar user ={\n name:\"\u72c2\u5954\u7684\u8717\u725b\"\n} ;\nvar count = 12;\n\/\/\u5b9a\u4e49\u4e00\u4e2aage \u83b7\u53d6\u503c\u65f6\u8fd4\u56de\u5b9a\u4e49\u597d\u7684\u53d8\u91cfcount\nObject.defineProperty(user,\"age\",{\n get:function(){\n  return count+1;\n }\n})\nconsole.log(user.age);\/\/13<\/pre>\n\n\n\n
      \u63a5\u4e0b\u6765\u6211\u4e0d\u7528\u89e3\u91ca\u4e86\u5427\uff0c\u4f60\u60f3\u5728\u83b7\u53d6\u8be5\u5c5e\u6027\u7684\u65f6\u5019\u5bf9\u503c\u505a\u4ec0\u4e48\u968f\u4f60\u54af~<\/p>\n\n\n\n
      \u6765\u6765\u6765\uff0c\u6211\u4eec\u770b\u770b set\uff0c\u4e0d\u591a\u8bf4\u4e0a\u4ee3\u7801<\/p>\n\n\n\n
      var user ={\n name:\"\u72c2\u5954\u7684\u8717\u725b\"\n} ;\nvar count = 12;\n\/\/\u5b9a\u4e49\u4e00\u4e2aage \u83b7\u53d6\u503c\u65f6\u8fd4\u56de\u5b9a\u4e49\u597d\u7684\u53d8\u91cfcount\nObject.defineProperty(user,\"age\",{\n get:function(){\n  return count;\n },\n set:function(newVal){\n  count=newVal;\n }\n})\nconsole.log(user.age);\/\/12\nuser.age=145;\nconsole.log(user.age);\/\/145\nconsole.log(count);\/\/145\n\n\/\/\u7b49\u7b49\uff0c\u5982\u679c\u6211\u60f3\u8bbe\u7f6e\u7684\u65f6\u5019\u662f \u81ea\u52a8\u52a01\u5462\uff1f\u6211\u8bbe\u7f6e145 \u5b9e\u9645\u4e0a\u8bbe\u7f6e\u662f146\n\nvar user ={\n name:\"\u72c2\u5954\u7684\u8717\u725b\"\n} ;\nvar count = 12;\n\/\/\u5b9a\u4e49\u4e00\u4e2aage \u83b7\u53d6\u503c\u65f6\u8fd4\u56de\u5b9a\u4e49\u597d\u7684\u53d8\u91cfcount\nObject.defineProperty(user,\"age\",{\n get:function(){\n  return count;\n },\n set:function(newVal){\n  count=newVal+1;\n }\n})\nconsole.log(user.age);\/\/12\nuser.age=145;\nconsole.log(user.age);\/\/146\nconsole.log(count);\/\/146<\/pre>\n\n\n\n
      \u8bf4\u660e\u00a0<\/strong>\u6ce8\u610f\uff1a\u5f53\u4f7f\u7528\u4e86getter\u6216setter\u65b9\u6cd5\uff0c\u4e0d\u5141\u8bb8\u4f7f\u7528writable\u548cvalue\u8fd9\u4e24\u4e2a\u5c5e\u6027(\u5982\u679c\u4f7f\u7528\uff0c\u4f1a\u76f4\u63a5\u62a5\u9519\u6ef4)<\/p>\n\n\n\n
      get\u00a0<\/code>\u662f\u83b7\u53d6\u503c\u7684\u65f6\u5019\u7684\u65b9\u6cd5\uff0c\u7c7b\u578b\u4e3a\u00a0function\u00a0<\/code>\uff0c\u83b7\u53d6\u503c\u7684\u65f6\u5019\u4f1a\u88ab\u8c03\u7528\uff0c\u4e0d\u8bbe\u7f6e\u65f6\u4e3a\u00a0undefined<\/code><\/p>\n\n\n\n
      set\u00a0<\/code>\u662f\u8bbe\u7f6e\u503c\u7684\u65f6\u5019\u7684\u65b9\u6cd5\uff0c\u7c7b\u578b\u4e3a\u00a0function\u00a0<\/code>\uff0c\u8bbe\u7f6e\u503c\u7684\u65f6\u5019\u4f1a\u88ab\u8c03\u7528\uff0cundefined<\/code><\/p>\n\n\n\n
      get\u6216set\u4e0d\u662f\u5fc5\u987b\u6210\u5bf9\u51fa\u73b0\uff0c\u4efb\u5199\u5176\u4e00\u5c31\u53ef\u4ee5<\/p>\n\n\n\n
      var user ={\n name:\"\u72c2\u5954\u7684\u8717\u725b\"\n} ;\nvar count = 12;\n\/\/\u5b9a\u4e49\u4e00\u4e2aage \u83b7\u53d6\u503c\u65f6\u8fd4\u56de\u5b9a\u4e49\u597d\u7684\u53d8\u91cfcount\nObject.defineProperty(user,\"age\",{\n get:function(){\n  console.log(\"\u8fd9\u4e2a\u4eba\u6765\u83b7\u53d6\u503c\u4e86\uff01\uff01\");\n  return count;\n },\n set:function(newVal){\n  console.log(\"\u8fd9\u4e2a\u4eba\u6765\u8bbe\u7f6e\u503c\u4e86\uff01\uff01\");\n  count=newVal+1;\n }\n})\nconsole.log(user.age);\/\/12\nuser.age=145;\nconsole.log(user.age);\/\/146<\/pre>\n\n\n\n
      \"\"<\/figure><\/div>\n\n\n\n
      \u603b\u7ed3<\/strong><\/p>\n\n\n\n
      \n\n\n\n
      Object.defineProperty<\/code>\u65b9\u6cd5\u76f4\u63a5\u5728\u4e00\u4e2a\u5bf9\u8c61\u4e0a\u5b9a\u4e49\u4e00\u4e2a\u65b0\u5c5e\u6027\uff0c\u6216\u8005\u4fee\u6539\u4e00\u4e2a\u5df2\u7ecf\u5b58\u5728\u7684\u5c5e\u6027\uff0c \u5e76\u8fd4\u56de\u8fd9\u4e2a\u5bf9\u8c61<\/code><\/p>\n\n\n\n
      • value: \u8bbe\u7f6e\u5c5e\u6027\u7684\u503c<\/li>
      • writable: \u503c\u662f\u5426\u53ef\u4ee5\u91cd\u5199\u3002true | false<\/li>
      • enumerable: \u76ee\u6807\u5c5e\u6027\u662f\u5426\u53ef\u4ee5\u88ab\u679a\u4e3e\u3002true | false<\/li>
      • configurable: \u76ee\u6807\u5c5e\u6027\u662f\u5426\u53ef\u4ee5\u88ab\u5220\u9664\u6216\u662f\u5426\u53ef\u4ee5\u518d\u6b21\u4fee\u6539\u7279\u6027 true | false<\/li>
      • set: \u76ee\u6807\u5c5e\u6027\u8bbe\u7f6e\u503c\u7684\u65b9\u6cd5<\/li>
      • get\uff1a\u76ee\u6807\u5c5e\u6027\u83b7\u53d6\u503c\u7684\u65b9\u6cd5<\/li><\/ul>\n\n\n\n
        <\/p>\n","protected":false},"excerpt":{"rendered":"
        \u8f6c\u8f7d\uff1ahttps:\/\/www.cnblogs.com\/ldq678\/p\/13854113.html Objec […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[24,19],"tags":[],"_links":{"self":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/6481"}],"collection":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6481"}],"version-history":[{"count":3,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/6481\/revisions"}],"predecessor-version":[{"id":6488,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/6481\/revisions\/6488"}],"wp:attachment":[{"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6481"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6481"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6481"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}