{"id":26154,"date":"2024-11-24T09:05:52","date_gmt":"2024-11-24T01:05:52","guid":{"rendered":"https:\/\/fwq.ai\/blog\/26154\/"},"modified":"2024-11-24T09:05:52","modified_gmt":"2024-11-24T01:05:52","slug":"javascript%e4%b8%ad%e5%a6%82%e4%bd%95%e5%b0%86%e4%b8%80%e4%b8%aa%e6%95%b0%e7%bb%84%e7%9a%84%e5%85%83%e7%b4%a0%e6%8f%92%e5%85%a5%e5%88%b0%e5%8f%a6%e4%b8%80%e4%b8%aa%e6%95%b0%e7%bb%84%e7%9a%84-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/26154\/","title":{"rendered":"JavaScript\u4e2d\u5982\u4f55\u5c06\u4e00\u4e2a\u6570\u7ec4\u7684\u5143\u7d20\u63d2\u5165\u5230\u53e6\u4e00\u4e2a\u6570\u7ec4\u7684\u5bf9\u5e94\u5143\u7d20\u4e2d\uff1f"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/173081682448554.jpg\" class=\"aligncenter\" title=\"JavaScript\u4e2d\u5982\u4f55\u5c06\u4e00\u4e2a\u6570\u7ec4\u7684\u5143\u7d20\u63d2\u5165\u5230\u53e6\u4e00\u4e2a\u6570\u7ec4\u7684\u5bf9\u5e94\u5143\u7d20\u4e2d\uff1f\u63d2\u56fe\" alt=\"JavaScript\u4e2d\u5982\u4f55\u5c06\u4e00\u4e2a\u6570\u7ec4\u7684\u5143\u7d20\u63d2\u5165\u5230\u53e6\u4e00\u4e2a\u6570\u7ec4\u7684\u5bf9\u5e94\u5143\u7d20\u4e2d\uff1f\u63d2\u56fe\" \/><\/p>\n<p>\u5c06 b \u6570\u7ec4\u5143\u7d20\u63d2\u5165\u76f8\u5e94 a \u6570\u7ec4\u5143\u7d20\u4e2d\u7684\u6280\u5de7<\/p>\n<p>\u5728 JavaScript \u4e2d\uff0c\u6709\u65f6\u6211\u4eec\u9700\u8981\u5c06\u4e00\u4e2a\u6570\u7ec4 b \u4e2d\u7684\u5143\u7d20\u63d2\u5165\u5230\u53e6\u4e00\u4e2a\u6570\u7ec4 a \u7684\u76f8\u5e94\u5143\u7d20\u4e2d\u3002\u4f8b\u5982\uff1a<\/p>\n<p>a \u6570\u7ec4\uff1a<\/p>\n<pre>[{ id: 1, key: 'key1', value: 'ggg' }, { id: 2, key: 'key2', value: 'cccc' }]<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>b \u6570\u7ec4\uff1a<\/p>\n<pre>{ id: 4, key1: '123', key2: 'sdfdff' }<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u671f\u671b\u7ed3\u679c\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>[\n    { id: 1, key: 'key1', value: 'ggg', key1: '123' },\n    { id: 2, key: 'key2', value: 'cccc', key2: 'sdfdff' }\n]<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4e0b\u9762\u662f\u4e00\u4e2a\u5b9e\u73b0\u6b64\u529f\u80fd\u7684\u7b80\u5355\u65b9\u6cd5\uff1a<\/p>\n<pre>let arr1= [{id:1,key:'key1',value:'ggg'},{id:2,key:'key2',value:'cccc'}]\nlet obj1 = {id:4,key1:'123',key2:'sdfdff'}\narr1.forEach(item=&gt;{\n    item[item.key] = obj1[item.key];\n})<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8be5\u4ee3\u7801\u9996\u5148\u904d\u5386 a \u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\uff0c\u7136\u540e\u4f7f\u7528 item.key \u4f5c\u4e3a\u952e\uff0c\u5c06 b \u6570\u7ec4\u4e2d\u76f8\u5e94\u7684\u503c\u6dfb\u52a0\u5230\u8be5\u5143\u7d20\u3002\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u5728 a \u6570\u7ec4\u7684\u6bcf\u4e2a\u5143\u7d20\u4e2d\u6dfb\u52a0\u989d\u5916\u7684\u5c5e\u6027\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fJavaScript\u4e2d\u5982\u4f55\u5c06\u4e00\u4e2a\u6570\u7ec4\u7684\u5143\u7d20\u63d2\u5165\u5230\u53e6\u4e00\u4e2a\u6570\u7ec4\u7684\u5bf9\u5e94\u5143\u7d20\u4e2d\uff1f\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>\u5c06 b \u6570\u7ec4\u5143\u7d20\u63d2\u5165\u76f8\u5e94 a \u6570\u7ec4\u5143\u7d20\u4e2d\u7684\u6280\u5de7 \u5728 JavaScript \u4e2d\uff0c\u6709\u65f6\u6211\u4eec\u9700\u8981\u5c06\u4e00\u4e2a\u6570\u7ec4 b \u4e2d\u7684\u5143\u7d20\u63d2\u5165\u5230\u53e6\u4e00\u4e2a\u6570\u7ec4 a \u7684\u76f8\u5e94\u5143\u7d20\u4e2d\u3002\u4f8b\u5982\uff1a a \u6570\u7ec4\uff1a [{ id: 1, key: &#8216;key1&#8217;, value: &#8216;ggg&#8217; 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