{"id":32324,"date":"2024-11-25T17:15:16","date_gmt":"2024-11-25T09:15:16","guid":{"rendered":"https:\/\/fwq.ai\/blog\/32324\/"},"modified":"2024-11-25T17:15:16","modified_gmt":"2024-11-25T09:15:16","slug":"javascript-%e6%95%b0%e7%bb%84%e8%bd%ac%e6%8d%a2%e5%92%8c%e8%bd%ac%e6%8d%a2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/32324\/","title":{"rendered":"JavaScript \u6570\u7ec4\u8f6c\u6362\u548c\u8f6c\u6362"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/000\/887\/227\/169323727173542.jpg\" class=\"aligncenter\" title=\"JavaScript \u6570\u7ec4\u8f6c\u6362\u548c\u8f6c\u6362\u63d2\u56fe\" alt=\"JavaScript \u6570\u7ec4\u8f6c\u6362\u548c\u8f6c\u6362\u63d2\u56fe\" \/><\/p>\n<p><span>\u6570\u7ec4\u662f\u7f16\u7a0b\u4e2d\u4e00\u79cd\u57fa\u672c\u4e14\u5f3a\u5927\u7684\u6570\u636e\u7ed3\u6784\u3002\u5b83\u4eec\u7684\u529b\u91cf\u4e0d\u4ec5\u4ec5\u6765\u81ea\u4e8e\u5b58\u50a8\u591a\u4e2a\u5bf9\u8c61\u6216\u503c\u7684\u80fd\u529b\u3002\u5b83\u4eec\u8fd8\u516c\u5f00\u4e86\u5404\u79cd\u5de5\u5177\uff0c\u4f7f\u64cd\u4f5c\u548c\u4f7f\u7528\u5b83\u4eec\u6240\u5305\u542b\u7684\u6570\u636e\u53d8\u5f97\u5bb9\u6613\u3002<\/span><\/p>\n<p>\u6211\u4eec\u7ecf\u5e38\u9700\u8981\u66f4\u6539\u6570\u7ec4\u4ee5\u6ee1\u8db3\u7279\u5b9a\u9700\u6c42\u3002\u4f8b\u5982\uff0c\u60a8\u53ef\u80fd\u9700\u8981\u91cd\u65b0\u7ec4\u7ec7\u6570\u7ec4\u4e2d\u7684\u5bf9\u8c61\uff0c\u4ee5\u4fbf\u5b83\u6309\u7279\u5b9a\u5c5e\u6027\u7684\u503c\u6392\u5e8f\uff0c\u6216\u8005\u60a8\u53ef\u80fd\u9700\u8981\u5c06\u591a\u4e2a\u6570\u7ec4\u5408\u5e76\u4e3a\u5355\u4e2a\u6570\u7ec4\u3002\u5728\u8bb8\u591a\u60c5\u51b5\u4e0b\uff0c\u60a8\u53ef\u80fd\u9700\u8981\u5c06\u4e00\u4e2a\u5bf9\u8c61\u6570\u7ec4\u5b8c\u5168\u8f6c\u6362\u4e3a\u53e6\u4e00\u4e2a\u5b8c\u5168\u4e0d\u540c\u5bf9\u8c61\u7684\u6570\u7ec4\u3002<\/p>\n<p>\u5728\u672c\u6559\u7a0b\u4e2d\uff0c\u60a8\u5c06\u4e86\u89e3 JavaScript \u63d0\u4f9b\u7684\u7528\u4e8e\u5408\u5e76\u3001\u590d\u5236\u3001\u8f6c\u6362\u548c\u8fc7\u6ee4\u6570\u7ec4\u7684\u5de5\u5177\u3002\u7136\u800c\uff0c\u5728\u5f00\u59cb\u4e4b\u524d\uff0c\u6211\u5fc5\u987b\u6307\u51fa\uff0c\u867d\u7136\u6211\u4f7f\u7528\u672f\u8bed\u201c\u5408\u5e76\u201d\u3001\u201c\u8f6c\u6362\u201d\u3001\u201c\u8f6c\u6362\u201d\u548c\u201c\u8fc7\u6ee4\u201d\uff0c\u4f46\u8fd9\u4e9b\u8fc7\u7a0b\u5f88\u5c11\u66f4\u6539\u73b0\u6709\u6570\u7ec4\u3002\u76f8\u53cd\uff0c\u4ed6\u4eec\u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4\uff0c\u5176\u4e2d\u5305\u542b\u5408\u5e76\u3001\u8f6c\u6362\u3001\u8f6c\u6362\u548c\u8fc7\u6ee4\u7684\u6570\u636e\uff0c\u4f7f\u539f\u59cb\u6570\u7ec4\u4fdd\u6301\u4e0d\u53d8\u7684\u539f\u59cb\u683c\u5f0f\u3002<\/p>\n<p>\u8df3\u8f6c\u5230\u672c\u8282\u5185\u5bb9\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<ul>\n<li><span>\u5408\u5e76\u6570\u7ec4<\/span><\/li>\n<li><span>\u590d\u5236\u6570\u7ec4<\/span><\/li>\n<li><span>\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32<\/span><\/li>\n<li><span>\u8f6c\u6362\u6570\u7ec4<\/span><\/li>\n<li><span>\u8fc7\u6ee4\u6570\u7ec4<\/span><\/li>\n<\/ul>\n<h2><span>\u5408\u5e76\u6570\u7ec4<\/span><\/h2>\n<p>\u4e5f\u8bb8\u60a8\u6b63\u5728\u5904\u7406\u6765\u81ea\u4e0d\u540c\u6765\u6e90\u7684\u6570\u636e\uff0c\u6216\u8005\u60a8\u53ef\u80fd\u6709\u591a\u4e2a\u6570\u7ec4\u5e76\u5e0c\u671b\u5c06\u5b83\u4eec\u7ec4\u5408\u6210\u4e00\u4e2a\u6570\u7ec4\uff0c\u4ee5\u4fbf\u66f4\u8f7b\u677e\u5730\u5904\u7406\u5b83\u4eec\u3002\u65e0\u8bba\u51fa\u4e8e\u4f55\u79cd\u539f\u56e0\uff0c\u6709\u65f6\u60a8\u90fd\u9700\u8981\u5c06\u591a\u4e2a\u6570\u7ec4\u5408\u5e76\u4e3a\u4e00\u4e2a\u6570\u7ec4\u3002 JavaScript \u4e3a\u6211\u4eec\u63d0\u4f9b\u4e86\u4e24\u79cd\u7ec4\u5408\u6570\u7ec4\u7684\u65b9\u6cd5\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528 concat() \u65b9\u6cd5\u6216\u5c55\u5f00\u8fd0\u7b97\u7b26 (&#8230;)\u3002<\/p>\n<p>concat() \u65b9\u6cd5\u7528\u4e8e\u5408\u5e76\u4e24\u4e2a\u6216\u591a\u4e2a\u6570\u7ec4\uff0c\u5e76\u8fd4\u56de\u4e00\u4e2a\u5305\u542b\u5408\u5e76\u6570\u7ec4\u5143\u7d20\u7684\u65b0\u6570\u7ec4\u3002\u65b0\u6570\u7ec4\u5c06\u9996\u5148\u7531\u60a8\u8c03\u7528\u8be5\u65b9\u6cd5\u7684\u6570\u7ec4\u5bf9\u8c61\u4e2d\u7684\u5143\u7d20\u586b\u5145\u3002\u7136\u540e\uff0c\u5b83\u5c06\u7531\u60a8\u4f20\u9012\u7ed9\u8be5\u65b9\u6cd5\u7684\u6570\u7ec4\u5bf9\u8c61\u7684\u5143\u7d20\u586b\u5145\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>const array1 = [1, 2, 3];\nconst array2 = [4, 5, 6];\nconst mergedArray = array1.concat(array2);\nconsole.log(mergedArray); \/\/ output: [1, 2, 3, 4, 5, 6]\n<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5728\u8fd9\u6bb5\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u6709\u4e24\u4e2a\u6570\u7ec4\uff0carray1 \u548c array2\u3002\u6211\u4eec\u4f7f\u7528 concat() \u65b9\u6cd5\u5c06\u8fd9\u4e9b\u6570\u7ec4\u5408\u5e76\u5230\u4e00\u4e2a\u540d\u4e3a mergedArray \u7684\u65b0\u6570\u7ec4\u4e2d\uff0c\u60a8\u53ef\u4ee5\u770b\u5230\u751f\u6210\u7684\u6570\u7ec4\u5305\u542b\u5143\u7d20 [1, 2, 3, 4, 5, 6]\u3002\u4e0b\u9762\u7684\u793a\u4f8b\u66f4\u6539\u4ee3\u7801\uff0c\u4ee5\u4fbf\u5728 array2 \u4e0a\u8c03\u7528 concat() \u65b9\u6cd5\uff1a<\/p>\n<pre>const array1 = [1, 2, 3];\nconst array2 = [4, 5, 6];\nconst mergedArray2 = array2.concat(array1);\nconsole.log(mergedArray2); \/\/ output: [4, 5, 6, 1, 2, 3]\n<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8bf7\u6ce8\u610f\uff0c\u5728\u6b64\u4ee3\u7801\u4e2d\uff0c\u7ed3\u679c\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u7684\u987a\u5e8f\u4e0d\u540c\uff1a[4, 5, 6, 1, 2, 3]\u3002\u56e0\u6b64\uff0c\u5982\u679c\u5143\u7d20\u987a\u5e8f\u5bf9\u60a8\u5f88\u91cd\u8981\uff0c\u8bf7\u52a1\u5fc5\u6309\u7167\u60a8\u60f3\u8981\u7684\u987a\u5e8f\u4f7f\u7528 concat() \u3002 <\/p>\n<p>\u53e6\u4e00\u65b9\u9762\uff0c\u6269\u5c55\u8fd0\u7b97\u7b26\u5141\u8bb8\u60a8\u6269\u5c55\u6570\u7ec4\u7684\u5143\u7d20\uff0c\u5e76\u4e14\u53ef\u4ee5\u5728\u65b0\u7684\u6570\u7ec4\u6587\u5b57\u4e2d\u4f7f\u7528\u5b83\u6765\u5408\u5e76\u6570\u7ec4\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>const array1 = [1, 2, 3];\nconst array2 = [4, 5, 6];\nconst mergedArray = [...array1, ...array2];\nconsole.log(mergedArray); \/\/ output: [1, 2, 3, 4, 5, 6]\n<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u518d\u6b21\u6709\u4e24\u4e2a\u6570\u7ec4\uff0carray1 \u548c array2\uff0c\u4f46\u6211\u4eec\u4f7f\u7528\u6269\u5c55\u8fd0\u7b97\u7b26\u5c06\u5b83\u4eec\u5408\u5e76\u5230\u4e00\u4e2a\u540d\u4e3a mergedArray \u7684\u65b0\u6570\u7ec4\u4e2d\u3002\u6700\u7ec8\u7ed3\u679c\u4e0e\u7b2c\u4e00\u4e2a concat() \u793a\u4f8b\u76f8\u540c\uff0c\u4f46\u4f7f\u7528\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u8ba9\u60a8\uff08\u4ee5\u53ca\u90a3\u4e9b\u9605\u8bfb\u4ee3\u7801\u7684\u4eba\uff09\u66f4\u6e05\u695a\u5730\u4e86\u89e3 mergedArray \u662f\u5982\u4f55\u6784\u5efa\u548c\u586b\u5145\u7684\u3002<\/p>\n<h2>\u590d\u5236\u6570\u7ec4<\/h2>\n<p><span>\u60a8\u53ef\u80fd\u60f3\u8981\u590d\u5236\u6570\u7ec4\u7684\u539f\u56e0\u6709\u591a\u79cd\u3002\u60a8\u53ef\u80fd\u5e0c\u671b\u4fdd\u7559\u6570\u7ec4\u7684\u539f\u59cb\u6570\u636e\uff08\u5982\u679c\u5b83\u4eec\u662f\u7b80\u5355\u503c\uff09\uff0c\u6216\u8005\u60a8\u53ef\u80fd\u5e0c\u671b\u907f\u514d\u4f7f\u7528\u6216\u64cd\u4f5c\u6570\u7ec4\u5bf9\u8c61\u672c\u8eab\u5e26\u6765\u7684\u4efb\u4f55\u610f\u5916\u526f\u4f5c\u7528\u3002\u4e0d\u7ba1\u51fa\u4e8e\u4ec0\u4e48\u539f\u56e0\uff0cJavaScript \u4f7f\u5f97\u521b\u5efa\u6570\u7ec4\u7684\u526f\u672c\u53d8\u5f97\u975e\u5e38\u5bb9\u6613\u3002<\/span><\/p>\n<p><span>\u8981\u521b\u5efa\u6570\u7ec4\u7684\u526f\u672c\uff0c\u53ef\u4ee5\u4f7f\u7528 slice() \u65b9\u6cd5\u3002\u6b64\u65b9\u6cd5\u8fd4\u56de\u60a8\u8c03\u7528\u5b83\u7684\u6570\u7ec4\u7684\u6d45\u8868\u526f\u672c\uff08\u7a0d\u540e\u8be6\u7ec6\u4ecb\u7ecd\uff09\u3002\u4f8b\u5982\uff1a<\/span><\/p>\n<pre>const originalArray = [1, 2, 3, 4, 5];\nconst copiedArray = originalArray.slice();\n\nconsole.log(copiedArray); \/\/ output: [1, 2, 3, 4, 5]\n<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8fd9\u6bb5\u4ee3\u7801\u5b9a\u4e49\u4e86\u4e00\u4e2a\u540d\u4e3aoriginalArray<span>\u7684<span>\u6570\u7ec4\uff0c\u6211\u4eec\u4f7f\u7528<\/span>slice()<span>\u65b9\u6cd5\u521b\u5efa\u5b83\u7684\u526f\u672c\uff0c\u800c\u4e0d\u4f20\u9012\u4efb\u4f55\u53c2\u6570\u3002 copiedArray \u5bf9\u8c61\u5305\u542b\u4e0e\u539f\u59cb\u503c\u76f8\u540c\u7684\u503c\uff0c\u4f46\u5b83\u662f\u4e00\u4e2a\u5b8c\u5168\u4e0d\u540c\u7684\u6570\u7ec4\u5bf9\u8c61\u3002<\/span><\/span><\/p>\n<p><span>\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 slice() \u65b9\u6cd5\u901a\u8fc7\u6307\u5b9a\u5f00\u59cb\u548c\u7ed3\u675f\u7d22\u5f15\u6765\u63d0\u53d6\u6570\u7ec4\u7684\u4e00\u90e8\u5206\u3002<\/span><\/p>\n<pre>const originalArray = [1, 2, 3, 4, 5];\nconst slicedArray = originalArray.slice(1, 4);\n\nconsole.log(slicedArray); \/\/ output: [2, 3, 4]\n<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5728\u6b64\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e00\u4e2a\u5207\u7247\u6570\u7ec4\uff0c\u5176\u4e2d\u5305\u542b\u539f\u59cb\u6570\u7ec4\u4ece\u7d22\u5f15 1 \u5230\u7d22\u5f15 3 \u7684\u5143\u7d20\uff08\u4e0d\u5305\u62ec\u4f20\u9012\u7ed9 slice() \u65b9\u6cd5\u7684\u7ed3\u675f\u7d22\u5f15\uff09\u3002<\/p>\n<h3>\u4ec0\u4e48\u662f\u6d45\u62f7\u8d1d\uff1f<\/h3>\n<p>\u6d45\u62f7\u8d1d\u662f\u6307\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u5bf9\u8c61\u6216\u6570\u7ec4\uff0c\u5b83\u662f\u539f\u59cb\u5bf9\u8c61\u6216\u96c6\u5408\u7684\u526f\u672c\uff0c\u4f46\u4ec5\u9650\u4e8e\u7b2c\u4e00\u7ea7\u3002\u6362\u53e5\u8bdd\u8bf4\uff0c\u6d45\u62f7\u8d1d\u590d\u5236\u539f\u59cb\u5bf9\u8c61\u7684\u7ed3\u6784\uff0c\u4f46\u4e0d\u590d\u5236\u5176\u4e2d\u5305\u542b\u7684\u5bf9\u8c61\u6216\u5143\u7d20\u3002<\/p>\n<p>\u5f53\u60a8\u521b\u5efa\u6570\u7ec4\u7684\u6d45\u8868\u526f\u672c\u65f6\uff0c\u65b0\u6570\u7ec4\u5c06\u62e5\u6709\u81ea\u5df1\u7684\u4e00\u7ec4\u5f15\u7528\uff0c\u5bf9\u4e0e\u539f\u59cb\u6570\u7ec4\u76f8\u540c\u7684\u5bf9\u8c61\u6216\u5143\u7d20\u8fdb\u884c\u5f15\u7528\u3002\u8fd9\u610f\u5473\u7740\u5982\u679c\u539f\u59cb\u6570\u7ec4\u5305\u542b\u7b80\u5355\u503c\uff08\u4f8b\u5982\u6570\u5b57\u3001\u5b57\u7b26\u4e32\u6216\u5e03\u5c14\u503c\uff09\uff0c\u5219\u6d45\u62f7\u8d1d\u5c06\u6709\u6548\u5730\u521b\u5efa\u5177\u6709\u76f8\u540c\u503c\u7684\u65b0\u6570\u7ec4\u3002\u4f46\u662f\uff0c\u5982\u679c\u539f\u59cb\u6570\u7ec4\u5305\u542b\u5bf9\u8c61\u6216\u5176\u4ed6\u5f15\u7528\u7c7b\u578b\uff08\u4f8b\u5982\u5176\u4ed6\u6570\u7ec4\u6216\u5bf9\u8c61\uff09\uff0c\u5219\u6d45\u590d\u5236\u5c06\u4ec5\u590d\u5236\u5bf9\u8fd9\u4e9b\u5bf9\u8c61\u7684\u5f15\u7528\uff0c\u800c\u4e0d\u662f\u5bf9\u8c61\u672c\u8eab\u3002\u56e0\u6b64\uff0c\u5bf9\u539f\u59cb\u6570\u7ec4\u4e2d\u7684\u5bf9\u8c61\u6240\u505a\u7684\u4efb\u4f55\u66f4\u6539\u4e5f\u5c06\u53cd\u6620\u5728\u6d45\u62f7\u8d1d\u4e2d\uff0c\u53cd\u4e4b\u4ea6\u7136\uff0c\u56e0\u4e3a\u5b83\u4eec\u4ecd\u7136\u5f15\u7528\u5185\u5b58\u4e2d\u7684\u76f8\u540c\u5bf9\u8c61\u3002<\/p>\n<p>\u76f8\u6bd4\u4e4b\u4e0b\uff0c\u6df1\u5c42\u590d\u5236\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u5bf9\u8c61\u6216\u96c6\u5408\uff0c\u5b83\u662f\u539f\u59cb\u5bf9\u8c61\u6216\u96c6\u5408\u7684\u5b8c\u6574\u3001\u72ec\u7acb\u7684\u526f\u672c\uff0c\u5305\u62ec\u6240\u6709\u5d4c\u5957\u7684\u5bf9\u8c61\u6216\u5143\u7d20\u3002\u8fd9\u610f\u5473\u7740\u5bf9\u539f\u59cb\u6570\u7ec4\u4e2d\u7684\u5bf9\u8c61\u6240\u505a\u7684\u66f4\u6539\u4e0d\u4f1a\u5f71\u54cd\u6df1\u5c42\u590d\u5236\uff0c\u53cd\u4e4b\u4ea6\u7136\uff0c\u56e0\u4e3a\u5b83\u4eec\u5728\u5185\u5b58\u4e2d\u62e5\u6709\u81ea\u5df1\u7684\u5bf9\u8c61\u96c6\u3002<\/p>\n<p>\u4e0b\u9762\u662f\u4e00\u4e2a\u4f8b\u5b50\u6765\u8bf4\u660e\u5dee\u5f02\uff1a<\/p>\n<pre>const originalArray = [1, 2, { a: 3 }];\nconst shallowCopy = originalArray.slice();\nconst deepCopy = JSON.parse(JSON.stringify(originalArray));\n\noriginalArray[2].a = 4;\n\nconsole.log(shallowCopy); \/\/ output: [1, 2, { a: 4 }]\nconsole.log(deepCopy); \/\/ output: [1, 2, { a: 3 }]\n<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><span>\u5728\u6b64\u793a\u4f8b\u4e2d\uff0c<\/span>shallowCopy<span>\u53cd\u6620\u5bf9\u539f\u59cb\u6570\u7ec4\u6240\u505a\u7684\u66f4\u6539\uff0c\u800c<\/span>deepCopy<span>\u4e0d\u53d7\u5f71\u54cd\u3002<\/span> <\/p>\n<h2><span>\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32<\/span><\/h2>\n<p><span>\u6570\u7ec4\u662f\u4e00\u79cd\u7f16\u7a0b\u6784\u9020\uff0c\u5f88\u591a\u65f6\u5019\u6211\u4eec\u9700\u8981\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u3002\u4e5f\u8bb8\u6211\u4eec\u9700\u8981\u5411\u7528\u6237\u5448\u73b0\u6570\u7ec4\u7684\u5185\u5bb9\u3002\u4e5f\u8bb8\u6211\u4eec\u9700\u8981\u5c06\u6570\u7ec4\u7684\u5185\u5bb9\u5e8f\u5217\u5316\u4e3a JSON \u4ee5\u5916\u7684\u683c\u5f0f\u3002<\/span><\/p>\n<p><span>\u901a\u8fc7\u4f7f\u7528 join() \u65b9\u6cd5\uff0c\u60a8\u53ef\u4ee5\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5143\u7d20\u4ee5\u9017\u53f7\u5206\u9694\uff0c\u4f46\u60a8\u53ef\u4ee5\u901a\u8fc7\u5c06\u5b57\u7b26\u4e32\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9 join() \u65b9\u6cd5\u6765\u6307\u5b9a\u81ea\u5b9a\u4e49\u5206\u9694\u7b26\u3002\u4f8b\u5982\uff1a<\/span><\/p>\n<pre>const fruitArray = ['apple', 'banana', 'cherry'];\nconst fruitString = fruitArray.join(', ');\n\nconsole.log(fruitString); \/\/ output: \"apple, banana, cherry\"\n<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><span>\u5728\u6b64\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u6709\u4e00\u4e2a\u540d\u4e3a <\/span>fruitArray<span> \u7684\u6570\u7ec4\uff0c\u6211\u4eec\u4f7f\u7528 <\/span>join()<span> \u65b9\u6cd5\u5c06\u5176\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u81ea\u5b9a\u4e49\u5206\u9694\u7b26 &#8211; \u9017\u53f7\u540e\u8ddf\u7a7a\u683c\u3002<\/span><\/p>\n<p>\u4f7f\u7528 join() \u7684\u4e00\u4e2a\u66f4\u6709\u7528\u7684\u793a\u4f8b\u662f\u4ece\u5305\u542b URL \u67e5\u8be2\u5b57\u7b26\u4e32\u53c2\u6570\u7684\u6570\u7ec4\u4e2d\u8f93\u51fa URL \u67e5\u8be2\u5b57\u7b26\u4e32\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre>const queryParamsArray = [\n  'search=JavaScript',\n  'page=1',\n  'sort=relevance',\n];\n\nconst queryString = queryParamsArray.join('&amp;amp;');\n\nconst url = 'https:\/\/example.com\/api?' + queryString;\nconsole.log(url); \/\/ output: \"https:\/\/example.com\/api?search=JavaScript&amp;amp;page=1&amp;amp;sort=relevance\"\n<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><span>\u5728\u6b64\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u6709\u4e00\u4e2a\u540d\u4e3a <\/span>queryParamsArray<span> \u7684\u6570\u7ec4\uff0c\u5176\u4e2d\u5305\u542b\u4e00\u7ec4\u67e5\u8be2\u5b57\u7b26\u4e32\u53c2\u6570\u3002\u7136\u540e\uff0c\u6211\u4eec\u4f7f\u7528 <\/span>join()<span> \u65b9\u6cd5\u5c06\u6570\u7ec4\u7684\u5143\u7d20\u4e0e &amp; \u5206\u9694\u7b26\u8fde\u63a5\u8d77\u6765\uff0c\u5f62\u6210\u4e00\u4e2a\u67e5\u8be2\u5b57\u7b26\u4e32\u3002\u6700\u540e\uff0c\u6211\u4eec\u901a\u8fc7\u5c06\u67e5\u8be2\u5b57\u7b26\u4e32\u9644\u52a0\u5230\u57fa\u672c URL \u6765\u6784\u5efa\u5b8c\u6574\u7684 URL\u3002<\/span><\/p>\n<p>\u751f\u6210 URL \u67e5\u8be2\u53c2\u6570\u5b57\u7b26\u4e32\u662f\u4f7f\u7528 join() \u7684\u5e38\u89c1\u7528\u4f8b\u3002\u4f46\u662f\uff0c\u60a8\u5c06\u4f7f\u7528\u4e00\u7ec4\u590d\u6742\u7684\u5bf9\u8c61\uff0c\u800c\u4e0d\u662f\u50cf\u672c\u793a\u4f8b\u4e2d\u6240\u793a\u7684\u7b80\u5355\u7684\u9884\u5b9a\u4e49\u5b57\u7b26\u4e32\uff0c\u7136\u540e\u5fc5\u987b\u5c06\u5176\u8f6c\u6362\u4e3a\u53ef\u4ee5\u8fde\u63a5\u5728\u4e00\u8d77\u7684\u5b57\u7b26\u4e32\u6570\u7ec4\u3002<\/p>\n<h2><span>\u8f6c\u6362\u6570\u7ec4<\/span><\/h2>\n<p><span>\u8f6c\u6362\u6570\u7ec4\u7684\u80fd\u529b\u662f JavaScript \u4e2d\u6700\u6709\u7528\u3001\u6700\u5f3a\u5927\u7684\u529f\u80fd\u4e4b\u4e00\u3002\u6b63\u5982\u6211\u5728\u672c\u6559\u7a0b\u524d\u9762\u63d0\u5230\u7684\uff0c\u60a8\u5e76\u4e0d\u662f\u771f\u6b63\u8f6c\u6362\u6570\u7ec4\uff0c\u800c\u662f\u521b\u5efa\u4e00\u4e2a\u5305\u542b\u8f6c\u6362\u540e\u7684\u5bf9\u8c61\u6216\u503c\u7684\u65b0\u6570\u7ec4\u3002\u539f\u59cb\u6570\u7ec4\u672a\u4fee\u6539\u3002<\/span><\/p>\n<p><span>\u8981\u8f6c\u6362\u6570\u7ec4\uff0c\u8bf7\u4f7f\u7528 map() \u65b9\u6cd5\u3002\u5b83\u63a5\u53d7\u56de\u8c03\u51fd\u6570\u4f5c\u4e3a\u53c2\u6570\uff0c\u5e76\u4e3a\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u6267\u884c\u8be5\u51fd\u6570\u3002<\/span><\/p>\n<pre>map(function (currentElement[, index, array]));\n<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u56de\u8c03\u51fd\u6570\u53ef\u4ee5\u63a5\u53d7\u4ee5\u4e0b\u4e09\u4e2a\u53c2\u6570\uff1a<\/p>\n<ul>\n<li> <strong>currentElement<\/strong>\uff1a\u5f53\u524d\u8981\u8f6c\u6362\u7684\u5143\u7d20\uff08\u5fc5\u586b\uff09<\/li>\n<li> <strong>index<\/strong>\uff1a\u5f53\u524d\u5143\u7d20\u7684\u7d22\u5f15\uff08\u53ef\u9009\uff09<\/li>\n<li> <strong>array<\/strong>\uff1a\u8c03\u7528 map() \u65b9\u6cd5\u7684\u6570\u7ec4\uff08\u53ef\u9009\uff09<\/li>\n<\/ul>\n<p>\u7136\u540e\uff0c\u56de\u8c03\u51fd\u6570\u7684\u8fd4\u56de\u503c\u5c06\u4f5c\u4e3a\u5143\u7d20\u5b58\u50a8\u5728\u65b0\u6570\u7ec4\u4e2d\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>const numbers = [1, 2, 3, 4, 5];\n\nfunction square(number) {\n  return number * number;\n}\n\nconst squaredNumbers = numbers.map(square);\n\nconsole.log(squaredNumbers); \/\/ output: [1, 4, 9, 16, 25]\n<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><span>\u5728\u6b64\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u6709\u4e00\u4e2a\u540d\u4e3a <\/span>numbers<span> \u7684\u6570\u7ec4\uff0c\u5e76\u58f0\u660e\u4e00\u4e2a\u540d\u4e3a <\/span>square<span> \u7684\u51fd\u6570\uff0c\u8be5\u51fd\u6570\u5c06\u6570\u5b57\u4f5c\u4e3a\u8f93\u5165\u5e76\u8fd4\u56de\u8be5\u6570\u5b57\u7684\u5e73\u65b9\u3002\u6211\u4eec\u5c06 square \u51fd\u6570\u4f20\u9012\u7ed9 numbers.map() \u4ee5\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a <\/span>squaredNumbers<span> \u7684\u65b0\u6570\u7ec4\uff0c\u5176\u4e2d\u5305\u542b\u539f\u59cb\u6570\u5b57\u7684\u5e73\u65b9\u503c\u3002<\/span> p&gt; <\/p>\n<p><span>\u4f46\u662f\u8ba9\u6211\u4eec\u770b\u4e00\u4e2a\u4ece\u5bf9\u8c61\u6570\u7ec4\u6784\u5efa URL \u67e5\u8be2\u5b57\u7b26\u4e32\u7684\u793a\u4f8b\u3002\u539f\u59cb\u6570\u7ec4\u5c06\u5305\u542b\u5177\u6709 param \uff08\u5bf9\u4e8e\u53c2\u6570\u540d\u79f0\uff09\u548c value \uff08\u5bf9\u4e8e\u53c2\u6570\u503c\uff09\u5c5e\u6027\u7684\u5bf9\u8c61\u3002<\/span><\/p>\n<pre>const queryParams = [\n  { param: 'search', value: 'JavaScript' },\n  { param: 'page', value: 1 },\n  { param: 'sort', value: 'relevance' },\n];\n\nfunction createParams(obj) {\n  return obj.param + '=' + obj.value;\n}\n\nconst queryStringArray = queryParams.map(createParams);\n\nconst queryString = queryStringArray.join('&amp;amp;');\n\nconst url = 'https:\/\/example.com\/api?' + queryString;\nconsole.log(url); \/\/ output: \"https:\/\/example.com\/api?search=JavaScript&amp;amp;page=1&amp;amp;sort=relevance\"\n<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5728\u6b64\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u6709\u4e00\u4e2a\u540d\u4e3a queryParams \u7684\u6570\u7ec4\uff0c\u5176\u4e2d\u5305\u542b\u6211\u4eec\u8981\u8f6c\u6362\u4e3a\u67e5\u8be2\u5b57\u7b26\u4e32\u7684\u5bf9\u8c61\u3002\u6211\u4eec\u58f0\u660e\u4e00\u4e2a\u540d\u4e3a createParams \u7684\u51fd\u6570\uff0c\u5b83\u63a5\u53d7\u4e00\u4e2a\u5bf9\u8c61\u4f5c\u4e3a\u8f93\u5165\u5e76\u8fd4\u56de\u683c\u5f0f\u4e3a\u201cparam=value\u201d\u7684\u5b57\u7b26\u4e32\u3002\u7136\u540e\uff0c\u6211\u4eec\u4f7f\u7528 map() \u65b9\u6cd5\u5c06 createParams&nbsp;\u51fd\u6570\u5e94\u7528\u4e8e\u539f\u59cb\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5bf9\u8c61\uff0c\u4ece\u800c\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a queryStringArray \u7684\u65b0\u6570\u7ec4\u3002<\/p>\n<p>\u63a5\u4e0b\u6765\uff0c\u6211\u4eec join() queryStringArray \u521b\u5efa\u6700\u7ec8\u7684\u67e5\u8be2\u5b57\u7b26\u4e32\uff0c\u4f7f\u7528 &amp; \u5206\u9694\u7b26\u5206\u9694\u6bcf\u4e2a param=value \u5bf9\uff0c\u7136\u540e\u6211\u4eec\u901a\u8fc7\u5c06\u67e5\u8be2\u5b57\u7b26\u4e32\u9644\u52a0\u5230\u6765\u6784\u9020\u5b8c\u6574\u7684 URL\u57fa\u672c URL\u3002<\/p>\n<p>\u4f7f\u7528 map() \u65b9\u6cd5\u662f\u5904\u7406\u6570\u7ec4\u7684\u91cd\u8981\u90e8\u5206\uff0c\u4f46\u6709\u65f6\u6211\u4eec\u53ea\u9700\u8981\u5904\u7406\u6570\u7ec4\u4e2d\u7684\u51e0\u4e2a\u5143\u7d20\u3002<\/p>\n<h2>\u8fc7\u6ee4\u6570\u7ec4<\/h2>\n<p><span><\/span>filter()<span> \u65b9\u6cd5\u5141\u8bb8\u60a8\u521b\u5efa\u4e00\u4e2a\u4ec5\u5305\u542b\u6ee1\u8db3\u7ed9\u5b9a\u6761\u4ef6\u7684\u5143\u7d20\u7684\u65b0\u6570\u7ec4\u3002\u8fd9\u662f\u901a\u8fc7\u5c06\u56de\u8c03\u51fd\u6570\u4f20\u9012\u7ed9 <\/span>filter()<span> \u65b9\u6cd5\u6765\u5b9e\u73b0\u7684\uff0c\u8be5\u65b9\u6cd5\u6d4b\u8bd5\u539f\u59cb\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u3002\u5982\u679c\u56de\u8c03\u51fd\u6570\u8fd4\u56de<\/span>true<span>\uff0c\u5219\u8be5\u5143\u7d20\u5305\u542b\u5728\u65b0\u6570\u7ec4\u4e2d\uff1b\u5982\u679c\u8fd4\u56de <\/span>false<span>\uff0c\u5219\u6392\u9664\u8be5\u5143\u7d20\u3002<\/span><\/p>\n<p><span>\u56de\u8c03\u51fd\u6570\u4f7f\u7528\u4e0e map() \u65b9\u6cd5\u7684\u56de\u8c03\u51fd\u6570\u76f8\u540c\u7684\u7b7e\u540d\uff1a<\/span><\/p>\n<pre>filter(function(currentElement[, index, array]));\n<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>currentElement \u53c2\u6570\u662f\u5fc5\u9700\u7684\uff0c\u4f46 index \u548c array \u662f\u53ef\u9009\u7684\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>const numbers = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];\n\nfunction isEven(number) {\n  return number % 2 === 0;\n}\n\nconst evenNumbers = numbers.filter(isEven);\n\nconsole.log(evenNumbers); \/\/ output: [2, 4, 6, 8, 10]\n<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5728\u6b64\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u6709\u4e00\u4e2a\u540d\u4e3a numbers \u7684\u6570\u7ec4\u3002\u6211\u4eec\u58f0\u660e\u4e00\u4e2a\u540d\u4e3a isEven \u7684\u51fd\u6570\uff0c\u5b83\u63a5\u53d7\u4e00\u4e2a\u6570\u5b57\u4f5c\u4e3a\u8f93\u5165\uff0c\u5982\u679c\u6570\u5b57\u662f\u5076\u6570\uff08\u5373\u80fd\u88ab 2 \u6574\u9664\uff09\uff0c\u5219\u8fd4\u56de true \uff0c\u5426\u5219\u8fd4\u56de false \u3002\u6211\u4eec\u901a\u8fc7\u4f7f\u7528 isEven \u51fd\u6570\u4f5c\u4e3a filter() \u65b9\u6cd5\u7684\u56de\u8c03\u51fd\u6570\u6765\u8fc7\u6ee4\u539f\u59cb\u6570\u7ec4\uff0c\u4ece\u800c\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a evenNumbers \u7684\u65b0\u6570\u7ec4\u3002\u751f\u6210\u7684 evenNumbers \u6570\u7ec4\u4ec5\u5305\u542b\u539f\u59cb\u6570\u7ec4\u4e2d\u7684\u5076\u6570\u3002<\/p>\n<p>filter() \u65b9\u6cd5\u662f\u5904\u7406\u6570\u7ec4\u7684\u5f3a\u5927\u5de5\u5177\uff0c\u5141\u8bb8\u60a8\u8f7b\u677e\u63d0\u53d6\u76f8\u5173\u6570\u636e\u6216\u6839\u636e\u7279\u5b9a\u6761\u4ef6\u521b\u5efa\u6570\u7ec4\u7684\u5b50\u96c6\u3002<\/p>\n<h2>\u7ed3\u8bba<\/h2>\n<p>\u6570\u7ec4\u662f JavaScript \u4e2d\u6700\u901a\u7528\u3001\u6700\u6709\u7528\u7684\u5bf9\u8c61\u4e4b\u4e00\uff0c\u56e0\u4e3a\u6211\u4eec\u6709\u5de5\u5177\u53ef\u4ee5\u8f7b\u677e\u5730\u5408\u5e76\u3001\u590d\u5236\u3001\u8f6c\u6362\u3001\u8f6c\u6362\u548c\u8fc7\u6ee4\u5b83\u4eec\u3002\u8fd9\u4e9b\u6280\u672f\u4e2d\u7684\u6bcf\u4e00\u79cd\u90fd\u6709\u7279\u5b9a\u7684\u7528\u9014\uff0c\u60a8\u53ef\u4ee5\u901a\u8fc7\u5404\u79cd\u65b9\u5f0f\u5c06\u5b83\u4eec\u7ec4\u5408\u8d77\u6765\uff0c\u4ee5\u5728 JavaScript \u5e94\u7528\u7a0b\u5e8f\u4e2d\u6709\u6548\u5730\u64cd\u4f5c\u548c\u5904\u7406\u6570\u7ec4\u3002\u901a\u8fc7\u7406\u89e3\u548c\u5e94\u7528\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u60a8\u5c06\u80fd\u591f\u66f4\u597d\u5730\u5e94\u5bf9\u6d89\u53ca\u6570\u7ec4\u7684\u5404\u79cd\u7f16\u7a0b\u6311\u6218\u3002<\/p>\n<p>\u5f53\u60a8\u7ee7\u7eed\u53d1\u5c55 JavaScript \u6280\u80fd\u65f6\uff0c\u8bf7\u8bb0\u4f4f\u7ec3\u4e60\u4f7f\u7528\u8fd9\u4e9b\u6570\u7ec4\u65b9\u6cd5\u5e76\u63a2\u7d22\u8be5\u8bed\u8a00\u4e2d\u53ef\u7528\u7684\u5176\u4ed6\u5185\u7f6e\u6570\u7ec4\u51fd\u6570\u3002\u8fd9\u5c06\u5e2e\u52a9\u60a8\u66f4\u52a0\u7cbe\u901a JavaScript\uff0c\u5e76\u4f7f\u60a8\u80fd\u591f\u7f16\u5199\u66f4\u9ad8\u6548\u3001\u5e72\u51c0\u4e14\u53ef\u7ef4\u62a4\u7684\u4ee3\u7801\u3002\u5feb\u4e50\u7f16\u7801\uff01<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fJavaScript \u6570\u7ec4\u8f6c\u6362\u548c\u8f6c\u6362\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6570\u7ec4\u662f\u7f16\u7a0b\u4e2d\u4e00\u79cd\u57fa\u672c\u4e14\u5f3a\u5927\u7684\u6570\u636e\u7ed3\u6784\u3002\u5b83\u4eec\u7684\u529b\u91cf\u4e0d\u4ec5\u4ec5\u6765\u81ea\u4e8e\u5b58\u50a8\u591a\u4e2a\u5bf9\u8c61\u6216\u503c\u7684\u80fd\u529b\u3002\u5b83\u4eec\u8fd8\u516c\u5f00\u4e86\u5404\u79cd\u5de5\u5177\uff0c\u4f7f\u64cd\u4f5c\u548c\u4f7f\u7528\u5b83\u4eec\u6240\u5305\u542b\u7684\u6570\u636e\u53d8\u5f97\u5bb9\u6613\u3002 \u6211\u4eec\u7ecf\u5e38\u9700\u8981\u66f4\u6539\u6570\u7ec4\u4ee5\u6ee1\u8db3\u7279\u5b9a\u9700\u6c42\u3002\u4f8b\u5982\uff0c\u60a8\u53ef\u80fd\u9700\u8981\u91cd\u65b0\u7ec4\u7ec7\u6570\u7ec4\u4e2d\u7684\u5bf9\u8c61\uff0c\u4ee5\u4fbf\u5b83\u6309\u7279\u5b9a\u5c5e\u6027\u7684\u503c\u6392\u5e8f\uff0c\u6216\u8005\u60a8\u53ef\u80fd\u9700\u8981\u5c06\u591a\u4e2a\u6570\u7ec4\u5408\u5e76\u4e3a\u5355\u4e2a\u6570\u7ec4\u3002\u5728\u8bb8\u591a\u60c5\u51b5\u4e0b\uff0c\u60a8\u53ef\u80fd\u9700\u8981\u5c06\u4e00\u4e2a\u5bf9\u8c61\u6570\u7ec4\u5b8c\u5168\u8f6c\u6362\u4e3a\u53e6\u4e00\u4e2a\u5b8c\u5168\u4e0d\u540c\u5bf9\u8c61\u7684\u6570\u7ec4\u3002 \u5728\u672c\u6559\u7a0b\u4e2d\uff0c\u60a8\u5c06\u4e86\u89e3 JavaScript \u63d0\u4f9b\u7684\u7528\u4e8e\u5408\u5e76\u3001\u590d\u5236\u3001\u8f6c\u6362\u548c\u8fc7\u6ee4\u6570\u7ec4\u7684\u5de5\u5177\u3002\u7136\u800c\uff0c\u5728\u5f00\u59cb\u4e4b\u524d\uff0c\u6211\u5fc5\u987b\u6307\u51fa\uff0c\u867d\u7136\u6211\u4f7f\u7528\u672f\u8bed\u201c\u5408\u5e76\u201d\u3001\u201c\u8f6c\u6362\u201d\u3001\u201c\u8f6c\u6362\u201d\u548c\u201c\u8fc7\u6ee4\u201d\uff0c\u4f46\u8fd9\u4e9b\u8fc7\u7a0b\u5f88\u5c11\u66f4\u6539\u73b0\u6709\u6570\u7ec4\u3002\u76f8\u53cd\uff0c\u4ed6\u4eec\u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4\uff0c\u5176\u4e2d\u5305\u542b\u5408\u5e76\u3001\u8f6c\u6362\u3001\u8f6c\u6362\u548c\u8fc7\u6ee4\u7684\u6570\u636e\uff0c\u4f7f\u539f\u59cb\u6570\u7ec4\u4fdd\u6301\u4e0d\u53d8\u7684\u539f\u59cb\u683c\u5f0f\u3002 \u8df3\u8f6c\u5230\u672c\u8282\u5185\u5bb9\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u5408\u5e76\u6570\u7ec4 \u590d\u5236\u6570\u7ec4 \u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32 \u8f6c\u6362\u6570\u7ec4 \u8fc7\u6ee4\u6570\u7ec4 \u5408\u5e76\u6570\u7ec4 \u4e5f\u8bb8\u60a8\u6b63\u5728\u5904\u7406\u6765\u81ea\u4e0d\u540c\u6765\u6e90\u7684\u6570\u636e\uff0c\u6216\u8005\u60a8\u53ef\u80fd\u6709\u591a\u4e2a\u6570\u7ec4\u5e76\u5e0c\u671b\u5c06\u5b83\u4eec\u7ec4\u5408\u6210\u4e00\u4e2a\u6570\u7ec4\uff0c\u4ee5\u4fbf\u66f4\u8f7b\u677e\u5730\u5904\u7406\u5b83\u4eec\u3002\u65e0\u8bba\u51fa\u4e8e\u4f55\u79cd\u539f\u56e0\uff0c\u6709\u65f6\u60a8\u90fd\u9700\u8981\u5c06\u591a\u4e2a\u6570\u7ec4\u5408\u5e76\u4e3a\u4e00\u4e2a\u6570\u7ec4\u3002 JavaScript \u4e3a\u6211\u4eec\u63d0\u4f9b\u4e86\u4e24\u79cd\u7ec4\u5408\u6570\u7ec4\u7684\u65b9\u6cd5\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528 concat() \u65b9\u6cd5\u6216\u5c55\u5f00\u8fd0\u7b97\u7b26 (&#8230;)\u3002 concat() \u65b9\u6cd5\u7528\u4e8e\u5408\u5e76\u4e24\u4e2a\u6216\u591a\u4e2a\u6570\u7ec4\uff0c\u5e76\u8fd4\u56de\u4e00\u4e2a\u5305\u542b\u5408\u5e76\u6570\u7ec4\u5143\u7d20\u7684\u65b0\u6570\u7ec4\u3002\u65b0\u6570\u7ec4\u5c06\u9996\u5148\u7531\u60a8\u8c03\u7528\u8be5\u65b9\u6cd5\u7684\u6570\u7ec4\u5bf9\u8c61\u4e2d\u7684\u5143\u7d20\u586b\u5145\u3002\u7136\u540e\uff0c\u5b83\u5c06\u7531\u60a8\u4f20\u9012\u7ed9\u8be5\u65b9\u6cd5\u7684\u6570\u7ec4\u5bf9\u8c61\u7684\u5143\u7d20\u586b\u5145\u3002\u4f8b\u5982\uff1a const array1 = [1, 2, 3]; const array2 = [4, 5, 6]; const mergedArray = array1.concat(array2); console.log(mergedArray); \/\/ output: [1, 2, 3, 4, 5, 6] \u767b\u5f55\u540e\u590d\u5236 \u5728\u8fd9\u6bb5\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u6709\u4e24\u4e2a\u6570\u7ec4\uff0carray1 \u548c array2\u3002\u6211\u4eec\u4f7f\u7528 concat() \u65b9\u6cd5\u5c06\u8fd9\u4e9b\u6570\u7ec4\u5408\u5e76\u5230\u4e00\u4e2a\u540d\u4e3a mergedArray \u7684\u65b0\u6570\u7ec4\u4e2d\uff0c\u60a8\u53ef\u4ee5\u770b\u5230\u751f\u6210\u7684\u6570\u7ec4\u5305\u542b\u5143\u7d20 [1, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18],"tags":[],"class_list":["post-32324","post","type-post","status-publish","format-standard","hentry","category-cms"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/32324","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=32324"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/32324\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=32324"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=32324"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=32324"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}