{"id":304,"date":"2024-12-16T18:33:01","date_gmt":"2024-12-16T10:33:01","guid":{"rendered":"https:\/\/www.laixuexila.com\/?p=304"},"modified":"2024-12-16T18:33:01","modified_gmt":"2024-12-16T10:33:01","slug":"%e5%a6%82%e4%bd%95%e6%9c%89%e6%95%88%e6%9b%bf%e4%bb%a3%e6%88%96%e7%bc%93%e8%a7%a3-javascript-%e7%9a%84%e5%8a%a3%e5%8a%bf%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.laixuexila.com\/index.php\/2024\/12\/16\/%e5%a6%82%e4%bd%95%e6%9c%89%e6%95%88%e6%9b%bf%e4%bb%a3%e6%88%96%e7%bc%93%e8%a7%a3-javascript-%e7%9a%84%e5%8a%a3%e5%8a%bf%ef%bc%9f\/","title":{"rendered":"\u5982\u4f55\u6709\u6548\u66ff\u4ee3\u6216\u7f13\u89e3 JavaScript \u7684\u52a3\u52bf\uff1f"},"content":{"rendered":"\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u867d\u7136\u6ca1\u6709\u4e00\u79cd\u6280\u672f\u53ef\u4ee5\u5b8c\u5168\u66ff\u4ee3 JavaScript\uff0c\u4f46\u662f\u4ed6\u4ecd\u7136\u5b58\u5728\u4e00\u4e9b\u5c40\u9650\u6027\uff08\u5982\u52a8\u6001\u7c7b\u578b\u3001\u6027\u80fd\u7b49\uff09\u3002\u6709\u6ca1\u6709\u4e00\u4e9b\u65b9\u6cd5\u548c\u6280\u672f\u53ef\u4ee5\u6709\u6548\u5730\u66ff\u4ee3\u6216\u7f13\u89e3\u8fd9\u4e9b\u95ee\u9898\u5462\uff1f\u4e0b\u9762\u662f\u9488\u5bf9\u6bcf\u4e2a\u52a3\u52bf\u7684\u66ff\u4ee3\u65b9\u6848\u6216\u6539\u8fdb\u63aa\u65bd\uff1a<\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>1. \u8bed\u8a00\u7684\u4e0d\u4e00\u81f4\u6027<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u89e3\u51b3\u65b9\u6cd5<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li><strong>\u4f7f\u7528 TypeScript<\/strong>\uff1aTypeScript \u662f JavaScript \u7684\u8d85\u96c6\uff0c\u63d0\u4f9b\u4e86\u5f3a\u7c7b\u578b\u7cfb\u7edf\u548c\u9759\u6001\u7c7b\u578b\u68c0\u67e5\uff0c\u53ef\u4ee5\u6709\u6548\u907f\u514d\u4e00\u4e9b\u5e38\u89c1\u7684\u8bed\u8a00\u4e0d\u4e00\u81f4\u6027\u95ee\u9898\u3002TypeScript \u7684\u7f16\u8bd1\u5668\u4f1a\u5728\u5f00\u53d1\u9636\u6bb5\u5e2e\u52a9\u5f00\u53d1\u8005\u6355\u6349\u7c7b\u578b\u9519\u8bef\uff0c\u51cf\u5c11\u6f5c\u5728\u7684\u9519\u8bef\u3002<\/li>\n\n\n\n<li><strong>\u4e25\u683c\u6a21\u5f0f (<code>'use strict'<\/code>)<\/strong>\uff1a\u901a\u8fc7\u5728\u4ee3\u7801\u4e2d\u542f\u7528\u4e25\u683c\u6a21\u5f0f\uff0c\u53ef\u4ee5\u907f\u514d\u4e00\u4e9b JavaScript \u7684\u4e0d\u826f\u884c\u4e3a\uff0c\u5982\u672a\u58f0\u660e\u7684\u53d8\u91cf\u3001\u51fd\u6570\u53c2\u6570\u91cd\u540d\u7b49\uff0c\u4ece\u800c\u51cf\u5c11\u4e0d\u4e00\u81f4\u6027\u5e26\u6765\u7684\u95ee\u9898\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>2. \u8c03\u8bd5\u4e0e\u6027\u80fd\u95ee\u9898<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u89e3\u51b3\u65b9\u6cd5<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li><strong>\u4f7f\u7528 WebAssembly<\/strong>\uff1aWebAssembly \u662f\u4e00\u79cd\u4f4e\u7ea7\u5b57\u8282\u7801\uff0c\u5141\u8bb8\u4f60\u5c06 C\u3001C++\u3001Rust \u7b49\u9ad8\u6027\u80fd\u8bed\u8a00\u7f16\u8bd1\u5230\u6d4f\u89c8\u5668\u4e2d\u8fd0\u884c\uff0c\u5f25\u8865 JavaScript \u5728\u6027\u80fd\u4e0a\u7684\u4e0d\u8db3\u3002\u5bf9\u4e8e\u6027\u80fd\u8981\u6c42\u9ad8\u7684\u5e94\u7528\uff0cWebAssembly \u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n\n\n\n<li><strong>\u4f18\u5316 JavaScript \u4ee3\u7801<\/strong>\uff1a\u4f7f\u7528 JavaScript \u6027\u80fd\u4f18\u5316\u6280\u5de7\uff0c\u5982\u51cf\u5c11 DOM \u64cd\u4f5c\u3001\u907f\u514d\u5185\u5b58\u6cc4\u6f0f\u3001\u5f02\u6b65\u52a0\u8f7d\u7b49\uff0c\u63d0\u5347\u6027\u80fd\u3002<\/li>\n\n\n\n<li><strong>\u4f7f\u7528\u73b0\u4ee3\u6d4f\u89c8\u5668\u7684\u5f00\u53d1\u5de5\u5177<\/strong>\uff1a\u501f\u52a9 Chrome DevTools\u3001Firefox Developer Tools \u7b49\u6d4f\u89c8\u5668\u7684\u5f00\u53d1\u8005\u5de5\u5177\uff0c\u80fd\u591f\u6709\u6548\u8c03\u8bd5\u6027\u80fd\u74f6\u9888\uff0c\u76d1\u63a7\u5185\u5b58\u6cc4\u6f0f\u548c\u4ee3\u7801\u6267\u884c\u6548\u7387\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3. \u5b89\u5168\u6027\u95ee\u9898<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u89e3\u51b3\u65b9\u6cd5<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li><strong>\u524d\u7aef\u9632\u62a4<\/strong>\uff1a\u4f7f\u7528\u5185\u5bb9\u5b89\u5168\u7b56\u7565\uff08CSP\uff09\u6765\u9632\u6b62 XSS \u653b\u51fb\uff0c\u5e76\u5c3d\u53ef\u80fd\u907f\u514d\u52a8\u6001\u6267\u884c\u672a\u7ecf\u9a8c\u8bc1\u7684\u4ee3\u7801\uff08\u4f8b\u5982 <code>eval()<\/code> \u548c <code>setTimeout()<\/code>\uff09\u3002\u8fd8\u5e94\u4f7f\u7528\u4e25\u683c\u7684\u8f93\u5165\u9a8c\u8bc1\u548c\u8f93\u51fa\u7f16\u7801\u3002<\/li>\n\n\n\n<li><strong>\u4f7f\u7528 WebAssembly<\/strong>\uff1a\u901a\u8fc7 WebAssembly \u5c06\u4e00\u4e9b\u5173\u952e\u4ee3\u7801\u79fb\u5230\u540e\u7aef\u6216\u5c06\u6027\u80fd\u5bc6\u96c6\u7684\u903b\u8f91\u79fb\u5230\u6d4f\u89c8\u5668\u4e2d\u6267\u884c\uff0c\u4ece\u800c\u51cf\u5c11 JavaScript \u4ee3\u7801\u7684\u66b4\u9732\u9762\u3002<\/li>\n\n\n\n<li><strong>\u540e\u7aef\u5b89\u5168\u5904\u7406<\/strong>\uff1a\u901a\u8fc7\u540e\u7aef\u6765\u8fc7\u6ee4\u548c\u9a8c\u8bc1\u7528\u6237\u8f93\u5165\uff0c\u786e\u4fdd Web \u5e94\u7528\u7684\u5b89\u5168\u6027\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>4. \u6d4f\u89c8\u5668\u517c\u5bb9\u6027<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u89e3\u51b3\u65b9\u6cd5<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li><strong>\u4f7f\u7528 Polyfills \u548c Babel<\/strong>\uff1a\u901a\u8fc7 Babel \u8f6c\u8bd1\u6700\u65b0\u7684 JavaScript \u4ee3\u7801\uff0c\u4fdd\u8bc1\u65e7\u7248\u672c\u6d4f\u89c8\u5668\u80fd\u591f\u652f\u6301 ES6 \u53ca\u4ee5\u4e0a\u7248\u672c\u7684\u7279\u6027\u3002\u540c\u65f6\uff0c\u4f7f\u7528 polyfill \u6765\u586b\u8865\u6d4f\u89c8\u5668 API \u7684\u5dee\u5f02\u3002<\/li>\n\n\n\n<li><strong>CSS \u548c JS \u6846\u67b6<\/strong>\uff1a\u5982 <strong>React<\/strong> \u548c <strong>Vue<\/strong>\uff0c\u8fd9\u4e9b\u6846\u67b6\u63d0\u4f9b\u4e86\u5bf9\u6d4f\u89c8\u5668\u517c\u5bb9\u6027\u7684\u5185\u90e8\u5904\u7406\uff0c\u5e2e\u52a9\u5f00\u53d1\u8005\u96c6\u4e2d\u7cbe\u529b\u5f00\u53d1\u4e1a\u52a1\u903b\u8f91\uff0c\u800c\u4e0d\u7528\u8fc7\u591a\u62c5\u5fc3\u517c\u5bb9\u6027\u95ee\u9898\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>5. \u590d\u6742\u7684\u5f02\u6b65\u7f16\u7a0b<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u89e3\u51b3\u65b9\u6cd5<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li><strong>\u4f7f\u7528 async\/await<\/strong>\uff1a<code>async\/await<\/code> \u662f JavaScript \u4e2d\u8f83\u65b0\u7684\u5f02\u6b65\u7f16\u7a0b\u65b9\u6848\uff0c\u5b83\u4f7f\u5f97\u5f02\u6b65\u4ee3\u7801\u66f4\u50cf\u540c\u6b65\u4ee3\u7801\uff0c\u7b80\u5316\u4e86 Promise \u94fe\u7684\u7ba1\u7406\u3002\u901a\u8fc7 <code>async\/await<\/code>\uff0c\u4ee3\u7801\u66f4\u52a0\u76f4\u89c2\uff0c\u9519\u8bef\u5904\u7406\u4e5f\u53d8\u5f97\u66f4\u52a0\u7b80\u5355\u3002<\/li>\n\n\n\n<li><strong>\u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93<\/strong>\uff1a\u4f8b\u5982 <strong>RxJS<\/strong> \u548c <strong>Bluebird<\/strong> \u7b49\u5e93\uff0c\u5b83\u4eec\u63d0\u4f9b\u4e86\u66f4\u52a0\u5f3a\u5927\u548c\u7075\u6d3b\u7684\u5f02\u6b65\u7f16\u7a0b\u6a21\u578b\uff0c\u5e2e\u52a9\u5f00\u53d1\u8005\u7ba1\u7406\u590d\u6742\u7684\u5f02\u6b65\u6d41\u548c\u9519\u8bef\u5904\u7406\u3002<\/li>\n\n\n\n<li><strong>Promise.all() \u548c Promise.race()<\/strong>\uff1a\u8fd9\u4e9b\u65b9\u6cd5\u53ef\u4ee5\u7b80\u5316\u591a\u4e2a\u5f02\u6b65\u64cd\u4f5c\u7684\u5904\u7406\uff0c\u5c24\u5176\u5728\u9700\u8981\u5e76\u53d1\u5904\u7406\u65f6\uff0c\u975e\u5e38\u65b9\u4fbf\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u7b80\u800c\u8a00\u4e4b\u901a\u8fc7\u4ee5\u4e0b\u51e0\u79cd\u65b9\u5f0f\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u66ff\u4ee3\u6216\u7f13\u89e3 JavaScript \u7684\u52a3\u52bf\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>TypeScript<\/strong> \u63d0\u4f9b\u4e86\u5f3a\u7c7b\u578b\u7cfb\u7edf\uff0c\u907f\u514d\u4e86\u8bed\u8a00\u7684\u4e0d\u4e00\u81f4\u6027\u3002<\/li>\n\n\n\n<li><strong>WebAssembly<\/strong> \u80fd\u89e3\u51b3 JavaScript \u5728\u6027\u80fd\u4e0a\u7684\u5c40\u9650\uff0c\u5c24\u5176\u5bf9\u4e8e\u8ba1\u7b97\u5bc6\u96c6\u578b\u4efb\u52a1\u3002<\/li>\n\n\n\n<li><strong>\u5b89\u5168\u6700\u4f73\u5b9e\u8df5<\/strong> \u548c\u540e\u7aef\u9a8c\u8bc1\u53ef\u4ee5\u51cf\u5c11 JavaScript \u5f15\u53d1\u7684\u5b89\u5168\u95ee\u9898\u3002<\/li>\n\n\n\n<li><strong>Polyfills \u548c Babel<\/strong> \u53ef\u4ee5\u4fdd\u8bc1 JavaScript \u5728\u4e0d\u540c\u6d4f\u89c8\u5668\u4e2d\u7684\u517c\u5bb9\u6027\u3002<\/li>\n\n\n\n<li><strong>async\/await<\/strong> \u548c\u7b2c\u4e09\u65b9\u5f02\u6b65\u5e93\u80fd\u7b80\u5316\u5f02\u6b65\u7f16\u7a0b\uff0c\u63d0\u5347\u4ee3\u7801\u53ef\u8bfb\u6027\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e9b\u65b9\u6cd5\u548c\u5de5\u5177\u5e2e\u52a9\u5f00\u53d1\u8005\u66f4\u597d\u5730\u5e94\u5bf9 JavaScript \u7684\u52a3\u52bf\uff0c\u63d0\u5347\u5f00\u53d1\u6548\u7387\uff0c\u786e\u4fdd\u4ee3\u7801\u8d28\u91cf\u548c\u5e94\u7528\u7684\u53ef\u7ef4\u62a4\u6027\u3002\u66f4\u591a\u8be6\u7ec6\u5185\u5bb9\u8bf7\u5173\u6ce8\u5176\u4ed6\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u867d\u7136\u6ca1\u6709\u4e00\u79cd\u6280\u672f\u53ef\u4ee5\u5b8c\u5168\u66ff\u4ee3 JavaScript\uff0c\u4f46\u662f\u4ed6\u4ecd\u7136\u5b58\u5728\u4e00\u4e9b\u5c40\u9650\u6027\uff08\u5982\u52a8\u6001\u7c7b\u578b\u3001\u6027\u80fd\u7b49\uff09\u3002\u6709\u6ca1\u6709\u4e00\u4e9b [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[46],"tags":[],"class_list":["post-304","post","type-post","status-publish","format-standard","hentry","category-javascript"],"_links":{"self":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/304","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/comments?post=304"}],"version-history":[{"count":1,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/304\/revisions"}],"predecessor-version":[{"id":305,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/304\/revisions\/305"}],"wp:attachment":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media?parent=304"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/categories?post=304"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/tags?post=304"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}