{"id":6484,"date":"2023-01-08T21:14:24","date_gmt":"2023-01-08T13:14:24","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=6484"},"modified":"2023-01-08T21:14:24","modified_gmt":"2023-01-08T13:14:24","slug":"%e5%ad%b8%e7%bf%92%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8react-js%e7%9a%84reactlist%e7%b5%90%e5%90%88%e5%8a%9f%e8%83%bd","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/react-js\/%e5%ad%b8%e7%bf%92%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8react-js%e7%9a%84reactlist%e7%b5%90%e5%90%88%e5%8a%9f%e8%83%bd\/","title":{"rendered":"\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528React.JS\u7684ReactList\u7d50\u5408\u529f\u80fd"},"content":{"rendered":"<p><meta name=\"keywords\" content=\"React, React List, Union\"><\/p>\n<h1>\u4f7f\u7528 React.JS \u5be6\u73fe React List \u7684\u5e76\u96c6(union)<\/h1>\n<p>React.JS \u662f\u4e00\u500b\u7528\u65bc\u69cb\u5efa\u7528\u6236\u754c\u9762\u7684 JavaScript \u5eab\uff0c\u5b83\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u5feb\u901f\u69cb\u5efa\u51fa\u9ad8\u6027\u80fd\u7684\u7db2\u9801\u61c9\u7528\u7a0b\u5e8f\u3002\u5728 React.JS \u4e2d\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u4f7f\u7528 React List \u4f86\u69cb\u5efa\u4e00\u500b\u5217\u8868\uff0c\u4e26\u4e14\u53ef\u4ee5\u4f7f\u7528\u5e76\u96c6(union)\u4f86\u5c07\u5169\u500b\u5217\u8868\u5408\u4f75\u70ba\u4e00\u500b\u65b0\u7684\u5217\u8868\u3002<\/p>\n<p><!--more--><\/p>\n<p>\u5728 React.JS \u4e2d\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u4f7f\u7528 <code>Array.prototype.concat()<\/code> \u65b9\u6cd5\u4f86\u5c07\u5169\u500b\u5217\u8868\u5408\u4f75\u70ba\u4e00\u500b\u65b0\u7684\u5217\u8868\u3002\u8a72\u65b9\u6cd5\u6703\u5c07\u5169\u500b\u5217\u8868\u7684\u5143\u7d20\u5408\u4f75\u70ba\u4e00\u500b\u65b0\u7684\u5217\u8868\uff0c\u4e26\u4e14\u4e0d\u6703\u6539\u8b8a\u539f\u6709\u7684\u5169\u500b\u5217\u8868\u3002<\/p>\n<pre class=\"brush: javascript\">\nconst list1 = [1, 2, 3];\nconst list2 = [4, 5, 6];\n\nconst unionList = list1.concat(list2);\n\nconsole.log(unionList); \/\/ [1, 2, 3, 4, 5, 6]\n<\/pre>\n<p>\u53e6\u5916\uff0c\u958b\u767c\u8005\u4e5f\u53ef\u4ee5\u4f7f\u7528 <code>Array.prototype.push()<\/code> \u65b9\u6cd5\u4f86\u5c07\u5169\u500b\u5217\u8868\u5408\u4f75\u70ba\u4e00\u500b\u65b0\u7684\u5217\u8868\u3002\u8a72\u65b9\u6cd5\u6703\u5c07\u7b2c\u4e8c\u500b\u5217\u8868\u7684\u5143\u7d20\u6dfb\u52a0\u5230\u7b2c\u4e00\u500b\u5217\u8868\u7684\u672b\u5c3e\uff0c\u4e26\u4e14\u6703\u6539\u8b8a\u539f\u6709\u7684\u7b2c\u4e00\u500b\u5217\u8868\u3002<\/p>\n<pre class=\"brush: javascript\">\nconst list1 = [1, 2, 3];\nconst list2 = [4, 5, 6];\n\nlist1.push(...list2);\n\nconsole.log(list1); \/\/ [1, 2, 3, 4, 5, 6]\n<\/pre>\n<p>\u6b64\u5916\uff0c\u958b\u767c\u8005\u9084\u53ef\u4ee5\u4f7f\u7528 <code>Array.prototype.reduce()<\/code> \u65b9\u6cd5\u4f86\u5c07\u5169\u500b\u5217\u8868\u5408\u4f75\u70ba\u4e00\u500b\u65b0\u7684\u5217\u8868\u3002\u8a72\u65b9\u6cd5\u6703\u5c07\u5169\u500b\u5217\u8868\u7684\u5143\u7d20\u5408\u4f75\u70ba\u4e00\u500b\u65b0\u7684\u5217\u8868\uff0c\u4e26\u4e14\u4e0d\u6703\u6539\u8b8a\u539f\u6709\u7684\u5169\u500b\u5217\u8868\u3002<\/p>\n<pre class=\"brush: javascript\">\nconst list1 = [1, 2, 3];\nconst list2 = [4, 5, 6];\n\nconst unionList = list1.reduce((acc, curr) => acc.concat(curr), list2);\n\nconsole.log(unionList); \/\/ [1, 2, 3, 4, 5, 6]\n<\/pre>\n<p>\u7e3d\u7d50\u4f86\u8aaa\uff0c\u4f7f\u7528 React.JS \u4e2d\u7684 React List\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u4f7f\u7528 <code>Array.prototype.concat()<\/code>\u3001<code>Array.prototype.push()<\/code> \u6216 <code>Array.prototype.reduce()<\/code> \u65b9\u6cd5\u4f86\u5c07\u5169\u500b\u5217\u8868\u5408\u4f75\u70ba\u4e00\u500b\u65b0\u7684\u5217\u8868\uff0c\u4ee5\u5be6\u73fe React List \u7684\u5e76\u96c6(union)\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6458\u8981\uff1a\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528React.JS\u7684ReactList\u7d50\u5408\u529f\u80fd\uff0c\u8b93\u958b\u767c\u8005\u53ef\u4ee5\u66f4\u6709\u6548\u7387\u5730\u5c07\u591a\u500b\u5217\u8868\u5408\u4f75\u70ba\u4e00\u500b\uff0c\u4e26\u63d0\u4f9b\u66f4\u591a\u7684\u529f\u80fd\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[184,183],"tags":[182,181],"class_list":["post-6484","post","type-post","status-publish","format-standard","hentry","category-react","category-react-js","tag-react","tag-react-js"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack-related-posts":[],"jetpack_shortlink":"https:\/\/wp.me\/pcFK27-1GA","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/6484","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/comments?post=6484"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/6484\/revisions"}],"predecessor-version":[{"id":6485,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/6484\/revisions\/6485"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=6484"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=6484"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=6484"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}