{"id":169960,"date":"2024-05-08T16:57:34","date_gmt":"2024-05-08T08:57:34","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/169960.html"},"modified":"2024-05-08T16:57:40","modified_gmt":"2024-05-08T08:57:40","slug":"javascript-%e7%9a%84%e5%a4%8d%e5%90%88%e6%95%b0%e6%8d%ae%e7%b1%bb%e5%9e%8b%e5%a6%82%e4%bd%95%e5%ae%9a%e4%b9%89","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/169960.html","title":{"rendered":"javascript \u7684\u590d\u5408\u6570\u636e\u7c7b\u578b\u5982\u4f55\u5b9a\u4e49"},"content":{"rendered":"<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/27040540\/3d280501-c879-4535-9bd3-e3dc002ff98a.webp\" alt=\"javascript \u7684\u590d\u5408\u6570\u636e\u7c7b\u578b\u5982\u4f55\u5b9a\u4e49\" \/><\/p>\n<p><p>JavaScript \u4e2d\u7684\u590d\u5408\u6570\u636e\u7c7b\u578b\u5b9a\u4e49\u4e3a\u53ef\u4ee5\u5b58\u50a8\u591a\u4e2a\u503c\u7684\u6570\u636e\u7ed3\u6784\uff0c\u8fd9\u5305\u62ec\u4e86<strong>\u5bf9\u8c61\uff08Object\uff09\u548c\u6570\u7ec4\uff08Array\uff09<\/strong>\u3002\u5bf9\u8c61\u4f7f\u5f97\u5f00\u53d1\u4eba\u5458\u80fd\u591f\u4ee5\u952e\u503c\u5bf9\uff08Key-Value P<a href=\"https:\/\/docs.pingcode.com\/blog\/59162.html\" target=\"_blank\">AI<\/a>rs\uff09\u7684\u5f62\u5f0f\u5b58\u50a8\u96c6\u5408\uff0c\u800c\u6570\u7ec4\u63d0\u4f9b\u4e86\u4e00\u79cd\u65b9\u5f0f\u6765\u5b58\u50a8\u4e00\u7cfb\u5217\u6709\u5e8f\u7684\u6570\u636e\u9879\u3002\u8981\u8be6\u7ec6\u63cf\u8ff0\u5bf9\u8c61\uff0c<strong>\u5bf9\u8c61\u7531\u82b1\u62ec\u53f7\u5305\u56f4\u7684\u4e00\u7ec4\u5c5e\u6027\u6784\u6210<\/strong>\uff0c\u6bcf\u4e2a\u5c5e\u6027\u90fd\u662f\u4e00\u4e2a\u952e\u503c\u5bf9\uff0c\u4f7f\u7528\u5192\u53f7\u5206\u9694\u952e\u548c\u503c\uff0c\u4e0d\u540c\u7684\u5c5e\u6027\u4e4b\u95f4\u5219\u4f7f\u7528\u9017\u53f7\u5206\u9694\u3002\u5c5e\u6027\u7684\u201c\u952e\u201d\u901a\u5e38\u662f\u5b57\u7b26\u4e32\uff08\u6216Symbol\uff09\uff0c\u800c\u201c\u503c\u201d\u53ef\u4ee5\u662f\u4efb\u610f\u6570\u636e\u7c7b\u578b\uff0c\u5305\u62ec\u53e6\u4e00\u4e2a\u5bf9\u8c61\u6216\u6570\u7ec4\u3002\u5bf9\u8c61\u53ef\u4ee5\u901a\u8fc7\u76f4\u63a5\u7528\u82b1\u62ec\u53f7\u58f0\u660e\uff0c\u4e5f\u53ef\u901a\u8fc7\u6784\u9020\u51fd\u6570\u6216\u7c7b\u6765\u521b\u5efa\u3002<\/p>\n<\/p>\n<p><h3>\u4e00\u3001\u5b9a\u4e49\u5bf9\u8c61\uff08OBJECT\uff09<\/h3>\n<\/p>\n<p><p>\u5bf9\u8c61\u5728JavaScript\u4e2d\u662f\u6700\u57fa\u7840\u7684\u590d\u5408\u6570\u636e\u7c7b\u578b\u3002\u5b9a\u4e49\u4e00\u4e2a\u7b80\u5355\u7684\u5bf9\u8c61\u53ef\u4ee5\u5982\u4e0b\u64cd\u4f5c\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-javascript\">let person = {<\/p>\n<p>    name: &#039;John Doe&#039;,<\/p>\n<p>    age: 30,<\/p>\n<p>    isEmployed: true<\/p>\n<p>};<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4e0a\u8ff0\u4ee3\u7801\u7247\u6bb5\u521b\u5efa\u4e86\u4e00\u4e2a\u540d\u4e3a<code>person<\/code>\u7684\u5bf9\u8c61\uff0c\u5b83\u5177\u6709\u4e09\u4e2a\u5c5e\u6027: <code>name<\/code>\u3001<code>age<\/code>\u548c<code>isEmployed<\/code>\uff0c\u6bcf\u4e2a\u5c5e\u6027\u90fd\u6709\u5404\u81ea\u7684\u503c\u3002\u5bf9\u8c61\u7684\u5f3a\u5927\u4e4b\u5904\u5728\u4e8e\u53ef\u4ee5\u5305\u542b\u5404\u79cd\u6570\u636e\u7c7b\u578b\u7684\u503c\uff0c\u751a\u81f3\u53ef\u4ee5\u5305\u62ec\u51fd\u6570\uff08\u88ab\u79f0\u4e3a\u65b9\u6cd5\uff09\u3002<\/p>\n<\/p>\n<p><h4>\u5c5e\u6027\u8bbf\u95ee\u548c\u4fee\u6539<\/h4>\n<\/p>\n<p><p>\u4e00\u65e6\u5b9a\u4e49\u4e86\u5bf9\u8c61\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u70b9\u8868\u793a\u6cd5\u6216\u62ec\u53f7\u8868\u793a\u6cd5\u6765\u8bbf\u95ee\u6216\u8005\u4fee\u6539\u5bf9\u8c61\u4e2d\u7684\u5c5e\u6027\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-javascript\">\/\/ \u70b9\u8868\u793a\u6cd5<\/p>\n<p>console.log(person.name); \/\/ \u8f93\u51fa: John Doe<\/p>\n<p>person.age = 31; \/\/ \u4fee\u6539age\u5c5e\u6027<\/p>\n<p>\/\/ \u6bd4\u8f83\u7279\u6b8a\u7684\u5c5e\u6027\u540d, \u6216\u53d8\u91cf\u4f5c\u4e3a\u5c5e\u6027\u540d\u65f6\uff0c\u4f7f\u7528\u62ec\u53f7\u8868\u793a\u6cd5<\/p>\n<p>let propName = &#039;isEmployed&#039;;<\/p>\n<p>console.log(person[propName]); \/\/ \u8f93\u51fa: true<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u4e8c\u3001\u5b9a\u4e49\u6570\u7ec4\uff08ARRAY\uff09<\/h3>\n<\/p>\n<p><p>\u6570\u7ec4\u662f\u6309\u7167\u7d22\u5f15\u987a\u5e8f\u5b58\u50a8\u5143\u7d20\u7684\u590d\u5408\u6570\u636e\u7c7b\u578b\uff0c\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u53ef\u4ee5\u662f\u4efb\u610f\u7c7b\u578b\uff0c\u5305\u62ec\u6570\u5b57\u3001\u5b57\u7b26\u4e32\u3001\u751a\u81f3\u5305\u62ec\u5176\u4ed6\u6570\u7ec4\u6216\u5bf9\u8c61\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-javascript\">let fruits = [&#039;apple&#039;, &#039;banana&#039;, &#039;cherry&#039;];<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\uff0c<code>fruits<\/code>\u6570\u7ec4\u5305\u542b\u4e86\u4e09\u4e2a\u5b57\u7b26\u4e32\u5143\u7d20\u3002\u6570\u7ec4\u7684\u5f3a\u5927\u529f\u80fd\u4e4b\u4e00\u662f\u53ef\u4ee5\u901a\u8fc7\u7d22\u5f15\uff08\u4ece0\u5f00\u59cb\u8ba1\u6570\u7684\u4f4d\u7f6e\uff09\u6765\u8bbf\u95ee\u5176\u5185\u90e8\u7684\u5143\u7d20\u3002<\/p>\n<\/p>\n<p><h4>\u5143\u7d20\u8bbf\u95ee\u548c\u4fee\u6539<\/h4>\n<\/p>\n<p><p>\u6570\u7ec4\u5143\u7d20\u7684\u8bbf\u95ee\u548c\u4fee\u6539\u53ef\u4ee5\u901a\u8fc7\u65b9\u62ec\u53f7\u7d22\u5f15\u6765\u5b9e\u73b0\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-javascript\">console.log(fruits[0]); \/\/ \u8f93\u51fa: apple<\/p>\n<p>fruits[2] = &#039;orange&#039;; \/\/ \u5c06\u7d22\u5f152\u5904\u7684\u5143\u7d20\u4fee\u6539\u4e3a&#039;orange&#039;<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u4e09\u3001\u904d\u5386\u590d\u5408\u7c7b\u578b<\/h3>\n<\/p>\n<p><p>\u904d\u5386\u590d\u5408\u6570\u636e\u7c7b\u578b\u662f\u5bf9\u5176\u8fdb\u884c\u64cd\u4f5c\u7684\u5e38\u89c1\u65b9\u6cd5\uff0c\u4f8b\u5982\uff0c\u6253\u5370\u51fa\u6240\u6709\u5143\u7d20\u6216\u8005\u5bf9\u6bcf\u4e2a\u5143\u7d20\u6267\u884c\u67d0\u4e9b\u64cd\u4f5c\u3002<\/p>\n<\/p>\n<p><h4>\u5bf9\u8c61\u7684\u904d\u5386<\/h4>\n<\/p>\n<p><p>\u5bf9\u4e8e\u5bf9\u8c61\uff0c\u53ef\u4ee5\u4f7f\u7528<code>for...in<\/code>\u5faa\u73af\u6216\u8005<code>Object<\/code>\u7c7b\u7684\u9759\u6001\u65b9\u6cd5\u6765\u904d\u5386\u5176\u5c5e\u6027\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-javascript\">for (let key in person) {<\/p>\n<p>    if (person.hasOwnProperty(key)) {<\/p>\n<p>        console.log(key + &#039;: &#039; + person[key]);<\/p>\n<p>    }<\/p>\n<p>}<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4e0a\u8ff0\u4ee3\u7801\u4f1a\u6253\u5370\u51fa<code>person<\/code>\u5bf9\u8c61\u7684\u6bcf\u4e00\u4e2a\u5c5e\u6027\u952e\u53ca\u5176\u5bf9\u5e94\u7684\u503c\u3002<\/p>\n<\/p>\n<p><h4>\u6570\u7ec4\u7684\u904d\u5386<\/h4>\n<\/p>\n<p><p>\u5bf9\u4e8e\u6570\u7ec4\uff0c\u5e38\u89c1\u7684\u904d\u5386\u65b9\u5f0f\u5305\u62ec\u4f20\u7edf\u7684<code>for<\/code>\u5faa\u73af\u3001<code>for...of<\/code>\u5faa\u73af\u4ee5\u53ca\u6570\u7ec4\u7684\u5185\u7f6e\u65b9\u6cd5\u5982<code>forEach<\/code>\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-javascript\">fruits.forEach(function(item, index) {<\/p>\n<p>    console.log(index + &#039;: &#039; + item);<\/p>\n<p>});<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u56db\u3001\u590d\u5408\u7c7b\u578b\u7684\u65b9\u6cd5\u548c\u5c5e\u6027<\/h3>\n<\/p>\n<p><p>\u590d\u5408\u6570\u636e\u7c7b\u578b\u4e0d\u4ec5\u5305\u542b\u6570\u636e\uff0c\u8fd8\u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u5185\u7f6e\u7684\u65b9\u6cd5\u548c\u5c5e\u6027\u6765\u5904\u7406\u8fd9\u4e9b\u6570\u636e\u3002<\/p>\n<\/p>\n<p><h4>\u5bf9\u8c61\u65b9\u6cd5\u548c\u5c5e\u6027<\/h4>\n<\/p>\n<p><p>JavaScript\u539f\u751f\u5bf9\u8c61\u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u7684\u65b9\u6cd5\u6765\u64cd\u4f5c\u5bf9\u8c61\uff0c\u6bd4\u5982<code>Object.keys(obj)<\/code>\u4f1a\u8fd4\u56de\u4e00\u4e2a\u5305\u542b\u6240\u6709\u53ef\u679a\u4e3e\u5c5e\u6027\u540d\u79f0\u7684\u6570\u7ec4\u3002<\/p>\n<\/p>\n<p><h4>\u6570\u7ec4\u65b9\u6cd5\u548c\u5c5e\u6027<\/h4>\n<\/p>\n<p><p>\u6570\u7ec4\u7c7b\u578b\u4e5f\u6709\u4e30\u5bcc\u7684\u5185\u7f6e\u65b9\u6cd5\uff0c\u4f8b\u5982<code>push()<\/code>\u3001<code>pop()<\/code>\u3001<code>slice()<\/code>\u3001<code>splice()<\/code>\u7b49\uff0c\u7528\u4e8e\u6267\u884c\u5404\u79cd\u64cd\u4f5c\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-javascript\">\/\/ \u6dfb\u52a0\u65b0\u5143\u7d20\u5230\u6570\u7ec4\u7684\u672b\u5c3e<\/p>\n<p>fruits.push(&#039;mango&#039;);<\/p>\n<p>\/\/ \u5220\u9664\u6570\u7ec4\u7684\u6700\u540e\u4e00\u4e2a\u5143\u7d20<\/p>\n<p>let lastFruit = fruits.pop();<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4ee5\u4e0a\u5c55\u5f00\u7684\u5185\u5bb9\u53ea\u662fJavaScript\u590d\u5408\u6570\u636e\u7c7b\u578b\u5b9a\u4e49\u7684\u57fa\u7840\u77e5\u8bc6\u3002\u5728\u5f00\u53d1\u5b9e\u8df5\u4e2d\uff0c\u8fd9\u4e9b\u7c7b\u578b\u7684\u4f7f\u7528\u66f4\u4e3a\u7075\u6d3b\u548c\u6df1\u5165\uff0c\u540e\u7eed\u90e8\u5206\u5c06\u8fdb\u4e00\u6b65\u63a2\u8ba8\u590d\u5408\u6570\u636e\u7c7b\u578b\u7684\u9ad8\u7ea7\u4e3b\u9898\u548c\u5e94\u7528\u573a\u666f\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p><strong>1. JavaScript\u4e2d\u5982\u4f55\u5b9a\u4e49\u590d\u5408\u6570\u636e\u7c7b\u578b\uff1f<\/strong><\/p>\n<p>\u590d\u5408\u6570\u636e\u7c7b\u578b\u662fJavaScript\u4e2d\u7684\u4e00\u79cd\u6570\u636e\u7c7b\u578b\uff0c\u7528\u4e8e\u5b58\u50a8\u591a\u4e2a\u503c\u6216\u6570\u636e\u7684\u96c6\u5408\u3002JavaScript\u63d0\u4f9b\u4e86\u51e0\u79cd\u5b9a\u4e49\u590d\u5408\u6570\u636e\u7c7b\u578b\u7684\u65b9\u5f0f\uff0c\u5176\u4e2d\u6700\u5e38\u89c1\u7684\u662f\u4f7f\u7528\u6570\u7ec4\u548c\u5bf9\u8c61\u3002<\/p>\n<ul>\n<li>\n<p>\u6570\u7ec4\uff1a\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u65b9\u62ec\u53f7\uff08[]\uff09\u6765\u5b9a\u4e49\u4e00\u4e2a\u6570\u7ec4\uff0c\u7136\u540e\u5c06\u591a\u4e2a\u503c\u4ee5\u9017\u53f7\u5206\u9694\u653e\u5165\u65b9\u62ec\u53f7\u4e2d\u5373\u53ef\u3002\u4f8b\u5982\uff0c<code>var myArray = [1, 2, 3, &quot;four&quot;, true];<\/code>\u5373\u5b9a\u4e49\u4e86\u4e00\u4e2a\u5305\u542b\u6570\u5b57\u3001\u5b57\u7b26\u4e32\u548c\u5e03\u5c14\u503c\u7684\u6570\u7ec4\u3002<\/p>\n<\/li>\n<li>\n<p>\u5bf9\u8c61\uff1a\u5bf9\u8c61\u7531\u5c5e\u6027\u548c\u5c5e\u6027\u503c\u7ec4\u6210\uff0c\u4f7f\u7528\u82b1\u62ec\u53f7\uff08{}\uff09\u6765\u5b9a\u4e49\u3002\u6bcf\u4e2a\u5c5e\u6027\u7531\u4e00\u4e2a\u952e\u503c\u5bf9\u8868\u793a\uff0c\u952e\u548c\u503c\u4e4b\u95f4\u4f7f\u7528\u5192\u53f7\uff08:\uff09\u5206\u9694\uff0c\u5c5e\u6027\u4e4b\u95f4\u4f7f\u7528\u9017\u53f7\uff08,\uff09\u5206\u9694\u3002\u4f8b\u5982\uff0c<code>var myObject = {name: &quot;John&quot;, age: 30, isStudent: true};<\/code>\u5373\u5b9a\u4e49\u4e86\u4e00\u4e2a\u5305\u542b\u59d3\u540d\u3001\u5e74\u9f84\u548c\u662f\u5426\u662f\u5b66\u751f\u7684\u5bf9\u8c61\u3002<\/p>\n<\/li>\n<\/ul>\n<p><strong>2. \u5982\u4f55\u8bbf\u95ee\u548c\u64cd\u4f5c\u590d\u5408\u6570\u636e\u7c7b\u578b\u4e2d\u7684\u503c\uff1f<\/strong><\/p>\n<p>\u5728JavaScript\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u7d22\u5f15\u548c\u5c5e\u6027\u540d\u6765\u8bbf\u95ee\u548c\u64cd\u4f5c\u590d\u5408\u6570\u636e\u7c7b\u578b\u4e2d\u7684\u503c\u3002<\/p>\n<ul>\n<li>\n<p>\u6570\u7ec4\uff1a\u53ef\u4ee5\u4f7f\u7528\u7d22\u5f15\u6765\u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u503c\u3002\u7d22\u5f15\u4ece0\u5f00\u59cb\uff0c\u4f9d\u6b21\u9012\u589e\u3002\u4f8b\u5982\uff0c<code>var firstValue = myArray[0];<\/code>\u5373\u53ef\u4ee5\u83b7\u53d6\u6570\u7ec4\u4e2d\u7684\u7b2c\u4e00\u4e2a\u503c\u3002\u8fd8\u53ef\u4ee5\u4f7f\u7528\u6570\u7ec4\u7684\u4e00\u4e9b\u5185\u7f6e\u65b9\u6cd5\u6765\u8fdb\u884c\u64cd\u4f5c\uff0c\u5982<code>push()<\/code>\u5728\u6570\u7ec4\u672b\u5c3e\u6dfb\u52a0\u503c\uff0c<code>pop()<\/code>\u5220\u9664\u6570\u7ec4\u672b\u5c3e\u7684\u503c\u3002<\/p>\n<\/li>\n<li>\n<p>\u5bf9\u8c61\uff1a\u53ef\u4ee5\u4f7f\u7528\u70b9\u8bed\u6cd5\u6216\u8005\u65b9\u62ec\u53f7\u8bed\u6cd5\u6765\u8bbf\u95ee\u5bf9\u8c61\u4e2d\u7684\u5c5e\u6027\u503c\u3002\u4f8b\u5982\uff0c<code>var name = myObject.name;<\/code>\u6216<code>var name = myObject[&quot;name&quot;];<\/code>\u90fd\u53ef\u4ee5\u83b7\u53d6\u5bf9\u8c61\u4e2d\u5c5e\u6027\u540d\u4e3a&quot;name&quot;\u7684\u5c5e\u6027\u503c\u3002\u8fd8\u53ef\u4ee5\u4f7f\u7528<code>Object.keys()<\/code>\u65b9\u6cd5\u83b7\u53d6\u5bf9\u8c61\u7684\u6240\u6709\u5c5e\u6027\u540d\uff0c\u4f7f\u7528<code>Object.values()<\/code>\u65b9\u6cd5\u83b7\u53d6\u5bf9\u8c61\u7684\u6240\u6709\u5c5e\u6027\u503c\u3002<\/p>\n<\/li>\n<\/ul>\n<p><strong>3. \u5982\u4f55\u5411\u590d\u5408\u6570\u636e\u7c7b\u578b\u4e2d\u6dfb\u52a0\u3001\u4fee\u6539\u6216\u5220\u9664\u503c\uff1f<\/strong><\/p>\n<p>\u5411\u590d\u5408\u6570\u636e\u7c7b\u578b\u4e2d\u6dfb\u52a0\u3001\u4fee\u6539\u6216\u5220\u9664\u503c\u53ef\u4ee5\u901a\u8fc7\u5bf9\u6570\u7ec4\u548c\u5bf9\u8c61\u8fdb\u884c\u76f8\u5e94\u7684\u64cd\u4f5c\u6765\u5b9e\u73b0\u3002<\/p>\n<ul>\n<li>\n<p>\u6570\u7ec4\uff1a\u53ef\u4ee5\u4f7f\u7528<code>push()<\/code>\u65b9\u6cd5\u5411\u6570\u7ec4\u672b\u5c3e\u6dfb\u52a0\u503c\uff0c\u4f7f\u7528<code>splice()<\/code>\u65b9\u6cd5\u5728\u6307\u5b9a\u4f4d\u7f6e\u63d2\u5165\u6216\u5220\u9664\u503c\uff0c\u4f7f\u7528<code>pop()<\/code>\u65b9\u6cd5\u5220\u9664\u6570\u7ec4\u672b\u5c3e\u7684\u503c\u3002\u4f8b\u5982\uff0c<code>myArray.push(&quot;five&quot;);<\/code>\u5373\u5411\u6570\u7ec4\u672b\u5c3e\u6dfb\u52a0\u4e00\u4e2a\u65b0\u7684\u503c\u3002\u8fd8\u53ef\u4ee5\u4f7f\u7528\u8d4b\u503c\u8fd0\u7b97\u7b26\uff08=\uff09\u76f4\u63a5\u4fee\u6539\u6570\u7ec4\u4e2d\u7684\u67d0\u4e2a\u503c\u3002<\/p>\n<\/li>\n<li>\n<p>\u5bf9\u8c61\uff1a\u53ef\u4ee5\u4f7f\u7528\u8d4b\u503c\u8fd0\u7b97\u7b26\uff08=\uff09\u76f4\u63a5\u6dfb\u52a0\u3001\u4fee\u6539\u6216\u5220\u9664\u5bf9\u8c61\u7684\u5c5e\u6027\u3002\u4f8b\u5982\uff0c<code>myObject.name = &quot;Jane&quot;;<\/code>\u5373\u4fee\u6539\u4e86\u5bf9\u8c61\u4e2d\u5c5e\u6027\u540d\u4e3a&quot;name&quot;\u7684\u5c5e\u6027\u503c\u3002\u8981\u5220\u9664\u5bf9\u8c61\u7684\u67d0\u4e2a\u5c5e\u6027\uff0c\u53ef\u4ee5\u4f7f\u7528<code>delete<\/code>\u5173\u952e\u5b57\uff0c\u4f8b\u5982\uff0c<code>delete myObject.age;<\/code>\u5373\u5220\u9664\u4e86\u5bf9\u8c61\u4e2d\u5c5e\u6027\u540d\u4e3a&quot;age&quot;\u7684\u5c5e\u6027\u3002<\/p>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"JavaScript \u4e2d\u7684\u590d\u5408\u6570\u636e\u7c7b\u578b\u5b9a\u4e49\u4e3a\u53ef\u4ee5\u5b58\u50a8\u591a\u4e2a\u503c\u7684\u6570\u636e\u7ed3\u6784\uff0c\u8fd9\u5305\u62ec\u4e86\u5bf9\u8c61\uff08Object\uff09\u548c\u6570\u7ec4\uff08Ar [&hellip;]","protected":false},"author":3,"featured_media":169968,"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\/169960"}],"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=169960"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/169960\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/169968"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=169960"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=169960"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=169960"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}