{"id":16223,"date":"2024-10-21T16:03:31","date_gmt":"2024-10-21T12:33:31","guid":{"rendered":"https:\/\/www.itpiran.net\/blog\/?p=16223"},"modified":"2024-10-21T16:03:31","modified_gmt":"2024-10-21T12:33:31","slug":"prerequisites-for-react-js","status":"publish","type":"post","link":"https:\/\/www.itpiran.net\/blog\/zh\/tutorials\/prerequisites-for-react-js\/","title":{"rendered":"\u5b66\u4e60 ReactJS \u7684\u5148\u51b3\u6761\u4ef6"},"content":{"rendered":"

\u4ecb\u7ecd<\/h2>\n

React JS \u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u524d\u7aef\u5e93\u3002\u8be5\u5e93\u7684\u4e3b\u8981\u76ee\u6807\u662f\u4e3a Web \u548c\u79fb\u52a8\u5e94\u7528\u7a0b\u5e8f\u521b\u5efa\u5feb\u901f\u4e14\u7f8e\u89c2\u7684\u7528\u6237\u754c\u9762\u3002.<\/p>\n

ReactJS \u7531 Facebook \u5f00\u53d1\uff0c\u80fd\u591f\u8ba9\u7f51\u7ad9\u770b\u8d77\u6765\u66f4\u7f8e\u89c2\uff0c\u56e0\u6b64\u6df1\u53d7\u5927\u591a\u6570\u5f00\u53d1\u8005\u7684\u559c\u7231\u3002\u7136\u800c\uff0c\u8bb8\u591a\u5f00\u53d1\u8005\u72af\u7684\u9519\u8bef\u662f\uff0c\u5728\u6ca1\u6709\u4e86\u89e3 ReactJS \u7684\u5148\u51b3\u6761\u4ef6\u7684\u60c5\u51b5\u4e0b\uff0c\u5c31\u76f4\u63a5\u4e0a\u624b ReactJS\uff08\u6216\u5176\u4ed6\u4efb\u4f55\u5e93\u6216\u6846\u67b6\uff09\u3002\u76f4\u63a5\u5b66\u4e60 React \u4f1a\u5728\u5b66\u4e60\u8fc7\u7a0b\u4e2d\u4ee5\u53ca\u9762\u8bd5\u4e2d\u7ed9\u4f60\u5e26\u6765\u5f88\u591a\u95ee\u9898\u3002.<\/p>\n

\u5b66\u4e60 ReactJS \u7684\u5fc5\u8981\u524d\u63d0\u6761\u4ef6<\/h2>\n

HTML \u548c CSS<\/h5>\n

\u7f51\u9875\u7684\u6784\u5efa\u57fa\u77f3\u662f HTML \u548c CSS\u3002\u7528\u4e8e\u5728\u6d4f\u89c8\u5668\u4e2d\u63cf\u8ff0\u7f51\u7ad9\u5404\u4e2a\u7ec4\u6210\u90e8\u5206\u7684\u8bed\u8a00\u79f0\u4e3a HTML\uff0c\u5373\u8d85\u6587\u672c\u6807\u8bb0\u8bed\u8a00\u3002\u56e0\u6b64\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 HTML \u6307\u5b9a\u6807\u9898\u3001\u6bb5\u843d\u3001\u94fe\u63a5\u3001\u5d4c\u5165\u5185\u5bb9\u7b49\u7b49\uff0c\u8fd9\u6709\u52a9\u4e8e\u6d4f\u89c8\u5668\u7406\u89e3\u5982\u4f55\u7ec4\u7ec7\u60a8\u6b63\u5728\u6d4f\u89c8\u7684\u7f51\u9875\u3002.<\/p>\n

CSS\uff0c\u5373\u5c42\u53e0\u6837\u5f0f\u8868\uff0c\u8d4b\u4e88\u7f51\u9875\u5916\u89c2\u548c\u5e03\u5c40\u3002\u6362\u53e5\u8bdd\u8bf4\uff0cCSS \u7528\u4e8e\u521b\u5efa\u7f8e\u89c2\u7684\u7f51\u7ad9\uff0c\u5305\u62ec\u6f02\u4eae\u7684\u5b57\u4f53\u3001\u9c9c\u8273\u7684\u8272\u5f69\u3001\u60ca\u8273\u7684\u80cc\u666f\uff0c\u751a\u81f3\u8fd8\u6709\u6d41\u7545\u7684\u8fc7\u6e21\u6548\u679c\u548c 3D \u7279\u6548\u3002.<\/p>\n

\u6bcf\u4e2a\u524d\u7aef\u5f00\u53d1\u4eba\u5458\u90fd\u662f\u4ece HTML \u548c CSS \u5f00\u59cb\u7684\u3002\u56e0\u6b64\uff0c\u5f53\u4f60\u5b66\u4f1a\u4f7f\u7528 React \u65f6\uff0c\u4f60\u5e94\u8be5\u5df2\u7ecf\u7cbe\u901a HTML \u548c CSS \u7684\u7f16\u7801\u4e86\u3002.<\/p>\n

\u5b66\u4e60 Reactjs \u7684\u9996\u8981\u524d\u63d0\u662f\u5b66\u4e60 HTML \u548c CSS\u3002\u4f60\u9700\u8981\u77e5\u9053\u5982\u4f55\u521b\u5efa\u8bed\u4e49\u5316\u7684 HTML \u6807\u7b7e\u3001\u7f16\u5199 CSS \u9009\u62e9\u5668\u3001\u4f7f\u7528\u7c7b\u3001CSS \u8986\u76d6\u3001\u5b9e\u73b0\u76d2\u6a21\u578b\uff0c\u4ee5\u53ca\u5982\u4f55\u5207\u6362\u5230 border-box \u548c flexbox\uff0c\u540c\u65f6\u8fd8\u8981\u638c\u63e1\u524d\u7aef\u5e94\u7528\u7a0b\u5e8f\u548c\u54cd\u5e94\u5f0f Web \u5e94\u7528\u7a0b\u5e8f\u6240\u9700\u7684 HTML \u548c CSS \u77e5\u8bc6\u3002 .<\/p>\n

JavaScript \u548c ES6 \u57fa\u7840\u77e5\u8bc6<\/h5>\n

JavaScript \u7684\u4e0b\u4e00\u4e2a\u7248\u672c\uff0cECMAScript 6\uff0c\u7b80\u79f0 ES6\uff0c\u5e26\u6765\u4e86\u8bb8\u591a\u53d8\u5316\u548c\u65b0\u7279\u6027\u3002\u5f97\u76ca\u4e8e ES6 \u4ee4\u4eba\u60ca\u8273\u7684\u65b0\u7279\u6027\u548c\u5168\u65b0\u7684 JavaScript \u8bed\u6cd5\uff0c\u4f60\u7684\u4ee3\u7801\u5c06\u66f4\u52a0\u73b0\u4ee3\u5316\u3001\u66f4\u6613\u8bfb\u3002\u4f60\u53ef\u4ee5\u7528\u66f4\u5c11\u7684\u4ee3\u7801\u5b9e\u73b0\u66f4\u591a\u529f\u80fd\u3002\u6211\u4eec\u5c06\u5b66\u4e60 ES6 \u4e2d\u7684\u4e00\u4e9b\u5f3a\u5927\u65b0\u7279\u6027\uff0c\u4f8b\u5982\u6a21\u5757\u3001\u6a21\u677f\u5b57\u7b26\u4e32\u3001\u7c7b\u6790\u6784\u51fd\u6570\u548c\u95ea\u73b0\u51fd\u6570\u3002.<\/p>\n

\u5728\u5b66\u4e60 React \u4e4b\u524d\uff0c\u4f60\u5e94\u8be5\u5148\u638c\u63e1 ES6\uff0c\u56e0\u4e3a Hooks \u5df2\u7ecf\u53d6\u4ee3\u4e86\u57fa\u4e8e\u7c7b\u7684\u7ec4\u4ef6\u3002\u4f60\u4f1a\u53d1\u73b0 Hooks \u5927\u91cf\u4f7f\u7528\u4e86 ES6 \u7684\u7279\u6027\u3002.<\/p>\n

\u5982\u679c\u4f60\u4e0d\u4e60\u60ef\u7f16\u5199\u7bad\u5934\u51fd\u6570\uff0c\u90a3\u4e48\u4f7f\u7528 React \u5c06\u4f1a\u5f88\u56f0\u96be\uff0c\u56e0\u4e3a\u4e00\u4e9b\u94a9\u5b50\u51fd\u6570\u9700\u8981\u4f60\u5c06\u7bad\u5934\u51fd\u6570\u5d4c\u5957\u5728\u4e00\u8d77\uff0c\u8fd9\u53ef\u80fd\u4f1a\u8ba9\u4eba\u611f\u5230\u56f0\u60d1\u3002.<\/p>\n

\u7531\u4e8e React JS \u5b8c\u5168\u652f\u6301 ES6\uff0c\u5b66\u4e60\u548c\u7406\u89e3 ES6 \u5c06\u6539\u5584\u60a8\u4f5c\u4e3a React JS \u548c Javascript \u5f00\u53d1\u4eba\u5458\u7684\u751f\u6d3b\uff0c\u56e0\u4e3a\u5b83\u4f7f\u9605\u8bfb\u548c\u7f16\u5199 React JS \u4ee3\u7801\u53d8\u5f97\u66f4\u52a0\u5bb9\u6613\u3002.<\/p>\n

Git \u548c CLI\uff08\u547d\u4ee4\u884c\u754c\u9762\uff09<\/h5>\n

\u5728\u8f6f\u4ef6\u5f00\u53d1\u8fc7\u7a0b\u4e2d\uff0cGit \u662f\u4e00\u4e2a\u975e\u5e38\u91cd\u8981\u4e14\u6709\u6548\u7684\u5de5\u5177\u3002.<\/p>\n

Git\u672c\u8d28\u4e0a\u662f\u4e00\u4e2a\u5206\u5e03\u5f0f\u7248\u672c\u63a7\u5236\u7cfb\u7edf\uff0c\u7528\u4e8e\u8ddf\u8e2a\u5e94\u7528\u7a0b\u5e8f\u5f00\u53d1\u8fc7\u7a0b\u4e2d\u6e90\u4ee3\u7801\u7684\u53d8\u66f4\u3002Git\u53ef\u4ee5\u7528\u6765\u76d1\u63a7\u4efb\u4f55\u6587\u4ef6\u7cfb\u7edf\u4e0a\u7684\u5f00\u53d1\u8fdb\u5ea6\uff0c\u5373\u4f7f\u8be5\u7cfb\u7edf\u6700\u521d\u662f\u4e3a\u4e86\u4fc3\u8fdb\u5f00\u53d1\u4eba\u5458\u4e4b\u95f4\u7684\u534f\u4f5c\u800c\u521b\u5efa\u7684\u3002.<\/p>\n

\"\"<\/p>\n

\u5b66\u4e60\u5982\u4f55\u4f7f\u7528 push\u3001pull\u3001append\u3001commit \u7b49\u6240\u6709\u547d\u4ee4\uff0c\u56e0\u4e3a\u4f60\u9700\u8981\u7528\u5b83\u4eec\u6765\u8ddf\u8e2a\u6587\u4ef6\u7684\u7248\u672c\u3002\u6b64\u5916\uff0c\u8fd8\u8981\u5b66\u4e60\u5982\u4f55\u5408\u5e76\u3001\u521b\u5efa\u5206\u652f\u4ee5\u53ca\u5904\u7406\u5408\u5e76\u51b2\u7a81\u3002.<\/p>\n

\u547d\u4ee4\u884c\u754c\u9762 (CLI) \u5c06\u5e2e\u52a9\u60a8\u6267\u884c React \u4e2d\u7684\u6240\u6709\u64cd\u4f5c\u3002\u60a8\u5e94\u8be5\u4e60\u60ef\u4f7f\u7528 CLI\uff0c\u56e0\u4e3a\u5b83\u53ef\u7528\u4e8e\u8bb8\u591a\u4e0d\u540c\u7684\u4efb\u52a1\uff0c\u4f8b\u5982\u5b89\u88c5\u8f6f\u4ef6\u5305\u3001\u4f7f\u7528 NPM\u3001\u6784\u5efa\u548c\u8fd0\u884c React \u5e94\u7528\u7a0b\u5e8f\u7b49\u7b49\u3002.<\/p>\n

\u5305\u7ba1\u7406\u5668\uff08Node + Npm\uff09<\/h5>\n

\u4f7f\u7528 ReactJS \u65f6\uff0c\u5b89\u88c5\u591a\u4e2a\u8f83\u5c0f\u7684\u8f6f\u4ef6\u5305\u81f3\u5173\u91cd\u8981\u3002Node \u5305\u662f\u5305\u542b\u6240\u6709\u5fc5\u8981\u6587\u4ef6\u7684 JavaScript \u5e93\u3002\u6a21\u5757\u662f\u5305\u542b\u5728 Node \u9879\u76ee\u4e2d\u7684 JavaScript \u5e93\u3002\u5305\u4e2d\u5305\u542b\u4e24\u90e8\u5206\uff1aJS \u6587\u4ef6\u548c package.json \u6587\u4ef6\u3002\u4f60\u9700\u8981\u4e00\u4e2a\u4f18\u79c0\u7684\u5b89\u88c5\u7a0b\u5e8f\u6765\u5b89\u88c5\u8fd9\u4e9b\u5305\uff0c\u8fd9\u6837\u53ef\u4ee5\u8ba9\u4f60\u8f7b\u677e\u4e0b\u8f7d\u548c\u5b89\u88c5\u5e94\u7528\u7a0b\u5e8f\uff0c\u800c\u65e0\u9700\u62c5\u5fc3\u4f9d\u8d56\u5173\u7cfb\u3002.<\/p>\n

\u8fd9\u65f6\uff0cNode \u5305\u7ba1\u7406\u5668 (NPM) \u5c31\u6d3e\u4e0a\u7528\u573a\u4e86\uff0c\u5b83\u53ef\u4ee5\u5e2e\u52a9\u60a8\u5b89\u88c5\u548c\u7ba1\u7406 JavaScript \u5e94\u7528\u7a0b\u5e8f\u3002\u60a8\u53ef\u4ee5\u5148\u5b89\u88c5 Node.js \u6765\u5b89\u88c5 NPM\u3002\u5b89\u88c5 Node.js \u65f6\uff0cNPM \u4f1a\u81ea\u52a8\u8bbe\u7f6e\u3002.<\/p>\n

\u60a8\u53ef\u4ee5\u4ece\u5b98\u65b9\u7f51\u7ad9\u4e0b\u8f7d Node.js\u3002\u70b9\u51fb\u6b64\u5904<\/p>\n

\u4f7f\u7528 React \u6784\u5efa\u65b0\u7684\u5355\u9875\u5e94\u7528\u7a0b\u5e8f\u7684\u6700\u4f73\u65b9\u6cd5\u662f\u4f7f\u7528 Create React App\uff0c\u8fd9\u662f\u4e00\u4e2a\u5b66\u4e60 React \u7684\u4fbf\u6377\u73af\u5883\u3002.<\/p>\n

\u4ee5\u4e0b\u547d\u4ee4\u5c06\u4e3a\u60a8\u521b\u5efa\u4e00\u4e2a\u793a\u4f8b\u9879\u76ee\u3002\u60a8\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\u5f00\u59cb\uff1a<\/p>\n

\n
npx create-react-app my-app\r\ncd my-app\r\nnpm start<\/code><\/pre>\n<\/div>\n
\u56e0\u6b64\uff0c\u5728\u6df1\u5165\u5b66\u4e60 React \u4e4b\u524d\uff0c\u4f60\u5e94\u8be5\u719f\u6089 NPM\uff08Node \u5305\u7ba1\u7406\u5668\uff09\u6ce8\u518c\u8868\u548c\u5305\u5b89\u88c5\u6280\u5de7\u3002\u7b80\u800c\u8a00\u4e4b\uff0cNPM \u6ce8\u518c\u8868\u662f\u5f00\u53d1\u8005\u83b7\u53d6\u5f00\u53d1\u6240\u9700\u8f6f\u4ef6\u7684\u5730\u65b9\u3002.<\/p>\n
ES6 \u53d8\u91cf \u2013 let \u548c const<\/h5>\n
\u5728 ES6 \u4e4b\u524d\uff0c\u5f00\u53d1\u8005\u8981\u4e48\u4f7f\u7528 var \u5173\u952e\u5b57\u58f0\u660e\u53d8\u91cf\uff0c\u8981\u4e48\u5c31\u4e0d\u7528\u3002\u7136\u800c\uff0c\u4e00\u5207\u90fd\u6539\u53d8\u4e86\uff01<\/p>\n
JavaScript \u4e8e ES6 \u8fdb\u5165\u4e86\u73b0\u4ee3\uff0cES6 \u65b0\u589e\u4e86\u4e24\u4e2a\u7528\u4e8e\u5b9a\u4e49\u53d8\u91cf\u7684\u5173\u952e\u5b57\uff1alet \u548c const\u3002\u5b83\u4eec\u7684\u4f5c\u7528\u57df\u4e0d\u540c\uff0c\u4f5c\u7528\u57df\u51b3\u5b9a\u4e86\u53d8\u91cf\u7684\u4f7f\u7528\u4f4d\u7f6e\u548c\u6743\u9650\u3002\u53d8\u91cf\u53ef\u4ee5\u4f4d\u4e8e\u51fd\u6570\u5185\u90e8\u3001\u4ee3\u7801\u5757\u5185\u90e8\uff0c\u4e5f\u53ef\u4ee5\u4f4d\u4e8e\u51fd\u6570\u548c\u4ee3\u7801\u5757\u4e4b\u5916\u3002.<\/p>\n
var\uff1a\u51fd\u6570\u4f5c\u7528\u57df\u7ea7\u522b \u2013 \u6b64\u5173\u952e\u5b57\u4e0d\u5141\u8bb8\u4ece\u5916\u90e8\u8bbf\u95ee\u5728\u51fd\u6570\u5185\u90e8\u58f0\u660e\u7684\u53d8\u91cf\u3002.<\/p>\n
let\uff1a\u5757\u7ea7\u4f5c\u7528\u57df \u2013 let \u5173\u952e\u5b57\u4f7f\u53d8\u91cf\u53ef\u4ee5\u5728\u58f0\u660e\u4f5c\u7528\u57df\u4e4b\u5916\u8bbf\u95ee\u3002.<\/p>\n
const\uff1a\u5757\u7ea7\u4f5c\u7528\u57df\u2014\u2014const \u5173\u952e\u5b57\u7c7b\u4f3c\u4e8e\u4f7f\u7528 let \u5173\u952e\u5b57\u58f0\u660e\u7684\u53d8\u91cf\u3002\u5e38\u91cf\u7684\u503c\u4e0d\u80fd\u901a\u8fc7\u91cd\u65b0\u58f0\u660e\u6216\u91cd\u65b0\u5206\u914d\u5185\u5b58\u6765\u6539\u53d8\u3002.<\/p>\n
\u7bad\u5934\u51fd\u6570<\/h5>\n
\u7bad\u5934\u51fd\u6570\u662f JavaScript ES6 \u7248\u672c\u4e2d\u7684\u4e00\u9879\u65b0\u7279\u6027\u3002\u4e0e\u666e\u901a\u51fd\u6570\u76f8\u6bd4\uff0c\u5b83\u4eec\u4f7f\u51fd\u6570\u7f16\u5199\u66f4\u52a0\u7b80\u6d01\u3002.<\/p>\n
    \n
  • \u5b83\u7b80\u5316\u4e86\u4ee3\u7801\uff0c\u4f7f\u5176\u66f4\u6613\u4e8e\u9605\u8bfb\u3002.<\/li>\n
  • \u4e0a\u4e0b\u6587\u00abthis\u00bb\u7684\u6700\u5927\u597d\u5904\u662f\u5b83\u6d88\u9664\u4e86\u00ab\u94fe\u63a5\u00bb\u51fd\u6570\u7684\u9700\u8981\u3002.<\/li>\n
  • \u76ee\u524d\u5927\u591a\u6570\u6d4f\u89c8\u5668\u90fd\u652f\u6301\u7bad\u5934\u51fd\u6570\u3002.<\/li>\n<\/ul>\n
    \n
    let x = (x, y) => x * y;<\/code><\/pre>\n<\/div>\n
    \u51fa\u53e3\u548c\u8fdb\u53e3<\/h5>\n
    \u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 ES6 \u5728 JavaScript \u4e2d\u521b\u5efa\u6a21\u5757\u3002\u6a21\u5757\u53ef\u4ee5\u5305\u542b\u7c7b\u3001\u51fd\u6570\u3001\u53d8\u91cf\u548c\u5bf9\u8c61\u3002\u4f7f\u7528 JavaScript \u6a21\u5757\uff0c\u60a8\u53ef\u4ee5\u5c06\u4ee3\u7801\u62c6\u5206\u6210\u4e0d\u540c\u7684\u6587\u4ef6\u3002\u8fd9\u6837\u4e00\u6765\uff0c\u4ee3\u7801\u5e93\u5c31\u66f4\u5bb9\u6613\u7ef4\u62a4\u3002.<\/p>\n
    \u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u5bfc\u51fa\u548c\u5bfc\u5165\u547d\u4ee4\u5c06\u6240\u6709\u6210\u5458\u5bfc\u5165\u5230\u53e6\u4e00\u4e2a\u6587\u4ef6\u4e2d\u3002\u5bfc\u51fa\u548c\u5bfc\u5165\u6a21\u5757\u4e2d\u7684\u6210\u5458\u9700\u8981\u4f7f\u7528 export \u548c import \u5173\u952e\u5b57\u3002.<\/p>\n
    \u4f11\u606f\u548c\u6269\u5c55\u8fd0\u7b97\u7b26<\/h5>\n
    \u5728 JavaScript \u4e2d\uff0c\u6269\u5c55\u8fd0\u7b97\u7b26\u548c\u5269\u4f59\u8fd0\u7b97\u7b26\u90fd\u7528\u4e09\u4e2a\u70b9 (\u2026) \u8868\u793a\u3002\u7136\u800c\uff0c\u8fd9\u4e24\u4e2a\u8fd0\u7b97\u7b26\u5b9e\u9645\u4e0a\u5e76\u4e0d\u76f8\u540c\u3002\u5b83\u4eec\u7684\u4e3b\u8981\u533a\u522b\u5728\u4e8e\uff1a\u4f7f\u7528\u5269\u4f59\u8fd0\u7b97\u7b26\u65f6\uff0cJavaScript \u6570\u7ec4\u4f1a\u586b\u5145\u7528\u6237\u6307\u5b9a\u503c\u96c6\u5408\u7684\u5269\u4f59\u90e8\u5206\uff1b\u800c\u6269\u5c55\u8fd0\u7b97\u7b26\u5219\u4f1a\u5c06\u53ef\u8fed\u4ee3\u5bf9\u8c61\u5c55\u5f00\u5230\u5176\u6240\u6709\u5143\u7d20\u3002.<\/p>\n
    \u89e3\u6784\u5bf9\u8c61\u548c\u6570\u7ec4\u7ed3\u6784<\/h5>\n
    \u89e3\u6784\u662f\u5c06\u5bf9\u8c61\u6216\u6570\u7ec4\u7684\u5404\u4e2a\u7ec4\u6210\u90e8\u5206\u62c6\u89e3\u5f00\u6765\u7684\u8fc7\u7a0b\u3002\u89e3\u6784\u5141\u8bb8\u4f60\u5728\u62c6\u89e3\u540e\u6839\u636e\u60f3\u8981\u6267\u884c\u7684\u64cd\u4f5c\u6765\u4fee\u6539\u548c\u4ea4\u6362\u5143\u7d20\u3002.<\/p>\n
    JavaScript \u4f7f\u7528\u65b9\u62ec\u53f7 [] \u6765\u9500\u6bc1\u6570\u7ec4\uff0c\u8fd9\u5141\u8bb8\u6211\u4eec\u5c06\u8d4b\u503c\u7ed9\u5305\u542b\u8be5\u5143\u7d20\u7684\u6570\u7ec4\u540d\u79f0\u7684\u53d8\u91cf\u540d\u5b58\u50a8\u8d77\u6765\u3002.<\/p>\n
    \u6bcf\u5f53\u6211\u4eec\u9500\u6bc1\u4e00\u4e2a\u5bf9\u8c61\u65f6\uff0c\u90fd\u9700\u8981\u4f7f\u7528\u82b1\u62ec\u53f7\u62ec\u8d77\u6765\uff0c\u5e76\u5199\u660e\u8be5\u5bf9\u8c61\u5305\u542b\u7684\u786e\u5207\u540d\u79f0\u3002\u4e0e\u6570\u7ec4\u53ef\u4ee5\u4f7f\u7528\u4efb\u610f\u53d8\u91cf\u540d\u4e0d\u540c\uff0c\u5bf9\u8c61\u53ea\u80fd\u4f7f\u7528\u5b58\u50a8\u6570\u636e\u7684\u540d\u79f0\u6765\u6253\u5f00\u5143\u7d20\u3002.<\/p>\n
    \u6a21\u677f\u5b57\u9762\u91cf<\/h5>\n
    \u5728 ES6 \u4e2d\uff0c\u6a21\u677f\u5b57\u9762\u91cf\u5f15\u5165\u4e86\u65b0\u7279\u6027\uff0c\u4f7f\u4f60\u80fd\u591f\u6bd4\u52a8\u6001\u5b57\u7b26\u4e32\u66f4\u7075\u6d3b\u5730\u751f\u6210\u5b57\u7b26\u4e32\u3002\u5b57\u7b26\u4e32\u901a\u5e38\u4f7f\u7528\u5355\u5f15\u53f7 (') \u6216\u53cc\u5f15\u53f7 (") \u751f\u6210\u3002.<\/p>\n
    \u5b57\u9762\u91cf\u662f\u4e00\u79cd\u5141\u8bb8\u4f7f\u7528\u53cd\u5f15\u53f7 ( ) \u5b57\u7b26\u5d4c\u5165\u8868\u8fbe\u5f0f\u7684\u5b57\u7b26\u4e32\u3002\u5b83\u53ef\u4ee5\u4e0e\u5b57\u7b26\u4e32\u63d2\u503c\u548c\u591a\u884c\u5b57\u7b26\u4e32\u4e00\u8d77\u4f7f\u7528\u3002\u8fd9\u79cd\u5b57\u7b26\u4e32\u4ee5\u524d\u88ab\u79f0\u4e3a\u6a21\u5f0f\u5b57\u7b26\u4e32\u3002.<\/p>\n
    \u5730\u56fe\u8fc7\u6ee4\u548c\u7b80\u5316<\/h5>\n
    JavaScript \u4e2d\u6709\u4e09\u4e2a\u6570\u7ec4\u51fd\u6570\uff1amap\u3001reduce \u548c filter\u3002\u6bcf\u4e2a\u51fd\u6570\u90fd\u4f1a\u5728\u8fed\u4ee3\u8fc7\u7a0b\u4e2d\u5bf9\u6570\u7ec4\u6267\u884c\u8f6c\u6362\u6216\u64cd\u4f5c\u3002\u6bcf\u4e2a\u51fd\u6570\u90fd\u4f1a\u6839\u636e\u5176\u8f93\u51fa\u751f\u6210\u4e00\u4e2a\u65b0\u7684\u6570\u7ec4\u3002.<\/p>\n
    \u4f7f\u7528 map() \u65b9\u6cd5\uff0c\u53ef\u4ee5\u901a\u8fc7\u5bf9\u65e7\u6570\u7ec4\u7684\u6bcf\u4e2a\u5143\u7d20\u5e94\u7528\u51fd\u6570\u6765\u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4\u3002.<\/p>\n
    `filter()` \u65b9\u6cd5\u4f1a\u5bf9\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u5e94\u7528\u4e00\u4e2a\u6761\u4ef6\u8bed\u53e5\u3002\u5982\u679c\u6761\u4ef6\u4e3a\u771f\uff0c\u5219\u5c06\u8be5\u5143\u7d20\u6dfb\u52a0\u5230\u8f93\u51fa\u6570\u7ec4\u4e2d\uff1b\u5982\u679c\u6761\u4ef6\u4e3a\u5047\uff0c\u5219\u4e0d\u4f1a\u5c06\u8be5\u5143\u7d20\u6dfb\u52a0\u5230\u8f93\u51fa\u6570\u7ec4\u4e2d\u3002.<\/p>\n
    \u4f7f\u7528 reduce() \u65b9\u6cd5\u53ef\u4ee5\u5c06\u503c\u6570\u7ec4\u7b80\u5316\u4e3a\u5355\u4e2a\u6570\u5b57\u3002\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u90fd\u4f1a\u7ecf\u8fc7\u4e00\u4e2a reducer \u51fd\u6570\u5904\u7406\uff0c\u4ece\u800c\u751f\u6210\u8f93\u51fa\u503c\u3002.<\/p>\n
    \u8bfe\u7a0b<\/h5>\n
    JavaScript ES6 \u5f15\u5165\u4e86\u7c7b\u8fd9\u4e00\u65b0\u7279\u6027\u3002\u5bf9\u8c61\u901a\u8fc7\u7c7b\u6765\u8bbe\u8ba1\uff0c\u5e76\u4e14\u53ef\u4ee5\u4ece\u7c7b\u521b\u5efa\u5bf9\u8c61\u3002.<\/p>\n
    \u8fd9\u4e2a\u7c7b\u53ef\u4ee5\u6bd4\u4f5c\u4e00\u4e2a\u623f\u5c4b\u7684\u57fa\u672c\u539f\u578b\u3002\u5b83\u5305\u542b\u4e86\u6240\u6709\u5173\u4e8e\u623f\u95f4\u3001\u5165\u53e3\u7b49\u7684\u4fe1\u606f\u3002\u4f60\u53ef\u4ee5\u6309\u7167\u8fd9\u4e2a\u63cf\u8ff0\u6765\u5efa\u9020\u623f\u5c4b\u3002\u8fd9\u4e2a\u5bf9\u8c61\u5c31\u662f\u623f\u5c4b\u672c\u8eab\u3002\u6211\u4eec\u53ef\u4ee5\u4ece\u540c\u4e00\u4e2a\u7c7b\u751f\u6210\u591a\u4e2a\u5bf9\u8c61\uff0c\u56e0\u4e3a\u53ef\u4ee5\u4f7f\u7528\u76f8\u540c\u7684\u89c4\u683c\u5efa\u9020\u591a\u680b\u623f\u5c4b\u3002.<\/p>\n
    \n
    \/\/ creation of a class\r\nclass Home {\r\nconstructor(area) {\r\nthis.area = area;\r\n}\r\n}\r\n\/\/ creation of an object\r\nconst home1 = New Home(100);<\/code><\/pre>\n<\/div>\n
    \u9996\u5148\u5b66\u4e60\u51fd\u6570\u5f0f\u7ec4\u4ef6\u3002\u4e0e\u57fa\u4e8e\u7c7b\u7684\u7ec4\u4ef6\u76f8\u6bd4\uff0cReact Hooks \u66f4\u6613\u4e8e\u4f7f\u7528\uff0c\u5e76\u4e14\u53ea\u9700\u66f4\u5c11\u7684\u4ee3\u7801\u5373\u53ef\u5b9e\u73b0\u76f8\u540c\u7684\u76ee\u6807\u3002.<\/p>\n
    \u867d\u7136\u5e76\u975e\u6240\u6709\u4eba\u90fd\u4f7f\u7528\u51fd\u6570\u5f0f\u7ec4\u4ef6\u91cd\u5199\u5e94\u7528\u7a0b\u5e8f\uff0c\u4f46\u60a8\u4e5f\u5e94\u8be5\u4e86\u89e3\u7c7b\u7ec4\u4ef6\u3002\u8fd9\u662f\u56e0\u4e3a\u5927\u591a\u6570\u5e94\u7528\u7a0b\u5e8f\u90fd\u662f\u4f7f\u7528\u7c7b\u7ec4\u4ef6\u5f00\u53d1\u7684\u3002.<\/p>\n
    \u4e0e\u51fd\u6570\u5f0f\u7ec4\u4ef6\u76f8\u6bd4\uff0c\u6784\u5efa React JS \u7c7b\u7ec4\u4ef6\u66f4\u52a0\u590d\u6742\u3002React JS \u7c7b\u7ec4\u4ef6\u5305\u542b\u6784\u9020\u51fd\u6570\u3001\u751f\u547d\u5468\u671f\u65b9\u6cd5\u3001\u6e32\u67d3\u51fd\u6570\uff0c\u751a\u81f3\u8fd8\u6709\u7528\u4e8e\u7ba1\u7406\u6570\u636e\u7684\u72b6\u6001\u7ba1\u7406\u3002.<\/p>\n
    \u8fd9\u662f\u5728\u6d4f\u89c8\u5668\u4e2d<\/h5>\n
    \u5728 JavaScript \u4e2d\uff0c\u51fd\u6570\u7684 THIS \u5173\u952e\u5b57\u7684\u5de5\u4f5c\u65b9\u5f0f\u4e0e\u5176\u4ed6\u8bed\u8a00\u7565\u6709\u4e0d\u540c\u3002\u5b83\u8fd8\u4f1a\u533a\u5206\u4e25\u683c\u6a21\u5f0f\u548c\u975e\u4e25\u683c\u6a21\u5f0f\u3002.<\/p>\n
    THIS \u7684\u503c\u901a\u5e38\u53d6\u51b3\u4e8e\u51fd\u6570\u7684\u8c03\u7528\u65b9\u5f0f\uff08\u8fd0\u884c\u65f6\u6267\u884c\uff09\u3002\u7531\u4e8e\u5728\u6267\u884c\u671f\u95f4\u65e0\u6cd5\u901a\u8fc7\u8d4b\u503c\u6765\u8bbe\u7f6e\u8be5\u503c\uff0c\u56e0\u6b64\u6bcf\u6b21\u8c03\u7528\u51fd\u6570\u65f6\uff0cTHIS \u7684\u503c\u53ef\u80fd\u90fd\u4e0d\u540c\u3002\u4f46\u662f\uff0c\u65e0\u8bba\u51fd\u6570\u7684\u8c03\u7528\u65b9\u5f0f\u5982\u4f55\uff0c\u90fd\u53ef\u4ee5\u4f7f\u7528 bind() \u65b9\u6cd5\u6765\u8bbe\u7f6e\u8be5\u503c\u3002.<\/p>\n
    Promise \u548c\u5f02\u6b65\u7b49\u5f85<\/h5>\n
    \u5728 JavaScript \u6216 Node.js \u4e2d\uff0c\u6709\u591a\u79cd\u7ba1\u7406\u64cd\u4f5c\u7684\u65b9\u5f0f\u3002\u4e0d\u540c\u7684\u64cd\u4f5c\u5728\u5f02\u6b65\u6267\u884c\u671f\u95f4\u540c\u65f6\u8fdb\u884c\uff0c\u6bcf\u4e2a\u64cd\u4f5c\u7684\u8f93\u51fa\u4e00\u65e6\u88ab\u8bbf\u95ee\u5c31\u4f1a\u7acb\u5373\u88ab\u5904\u7406\u3002.<\/p>\n
    NodeJS \u4e2d\u7684 Promise \u4e0e\u73b0\u5b9e\u4e16\u754c\u4e2d\u7684 Promise \u7c7b\u4f3c\uff0c\u5b83\u4fdd\u8bc1\u67d0\u4e2a\u64cd\u4f5c\u4e00\u5b9a\u4f1a\u88ab\u6267\u884c\u3002Promise \u63a7\u5236\u5f02\u6b65\u4e8b\u4ef6\u53d1\u751f\u540e\u7684\u64cd\u4f5c\uff0c\u5e76\u8ddf\u8e2a\u4e8b\u4ef6\u662f\u5426\u5df2\u6267\u884c\u5b8c\u6bd5\u3002.<\/p>\n
    Promise \u7531\u4f7f\u7528 Async\/Await \u7684\u5f02\u6b65\u65b9\u6cd5\u5904\u7406\u3002\u6700\u8fd1\u5bf9\u4ee3\u7801\u8fdb\u884c\u4e86\u91cd\u6784\uff0c\u4f7f Promise \u66f4\u6613\u4e8e\u9605\u8bfb\u548c\u4f7f\u7528\u3002\u5b83\u7b80\u5316\u4e86\u5f02\u6b65\u7f16\u7a0b\uff0c\u4f7f\u5176\u66f4\u63a5\u8fd1\u540c\u6b65\u4ee3\u7801\u3002.<\/p>\n
    \u4e3a\u4ec0\u4e48\u4f01\u4e1a\u66f4\u503e\u5411\u4e8e\u9009\u62e9 Reactjs\uff1f<\/h2>\n
      \n
    1. \u7ec4\u4ef6\u7f16\u5199\u66f4\u52a0\u6d41\u7545\u2014\u2014\u4f7f\u7528 JSX \u53ef\u4ee5\u63d0\u9ad8 JavaScript \u4ee3\u7801\u6548\u7387\u3002.<\/li>\n
    2. \u9664\u4e86\u63d0\u9ad8\u6548\u7387\u5916\uff0c\u5b83\u8fd8\u80fd\u7b80\u5316\u672a\u6765\u7684\u7ef4\u62a4\u5de5\u4f5c\u3002.<\/li>\n
    3. \u5b83\u7684\u6e32\u67d3\u901f\u5ea6\u66f4\u5feb\u3002<\/li>\n
    4. \u5b83\u8fd8\u5305\u542b\u4e00\u4e9b\u5b9e\u7528\u7684\u5f00\u53d1\u8005\u5de5\u5177\u3002.<\/li>\n
    5. \u5355\u9875\u5e94\u7528\u7a0b\u5e8f (SPA)<\/li>\n
    6. \u6570\u636e\u8fde\u63a5\u662f\u5355\u5411\u7684\uff0c\u7c7b\u4f3c\u4e8e\u5355\u5411\u6570\u636e\u6d41\u3002.<\/li>\n
    7. \u641c\u7d22\u5f15\u64ce\u53cb\u597d<\/li>\n<\/ol>\n
      \u7ed3\u679c<\/h2>\n
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