{"id":177,"date":"2026-07-26T21:11:44","date_gmt":"2026-07-26T13:11:44","guid":{"rendered":"https:\/\/fsdata.site\/?p=177"},"modified":"2026-07-26T22:30:04","modified_gmt":"2026-07-26T14:30:04","slug":"web-workers-practical-guide","status":"publish","type":"post","link":"https:\/\/fsdata.site\/?p=177","title":{"rendered":"Web Workers \u5b9e\u6218\uff1a\u524d\u7aef\u91cd\u4efb\u52a1\u7684\u5378\u8f7d\u65b9\u6848"},"content":{"rendered":"<h2>\u4e3a\u4ec0\u4e48\u4e3b\u7ebf\u7a0b\u4f1a\u5361\uff1f<\/h2>\n<p>JS \u662f\u5355\u7ebf\u7a0b\u7684\uff0c\u6240\u6709 UI \u6e32\u67d3\u548c\u7528\u6237\u4ea4\u4e92\u90fd\u5728\u540c\u4e00\u4e2a\u7ebf\u7a0b\u4e0a\u3002\u5f53\u4f60\u7684 <a target=\"_blank\" rel=\"noopener\" href=\"https:\/\/fsdata.site\/typescript-advanced-types\/\">TypeScript \u9ad8\u7ea7\u7c7b\u578b\u7cfb\u7edf<\/a>\u9879\u76ee\u9700\u8981\u8fdb\u884c\u5927\u91cf\u6570\u636e\u5904\u7406\u65f6\uff0c\u4e3b\u7ebf\u7a0b\u5c31\u4f1a\u88ab\u963b\u585e\uff0c\u7528\u6237\u770b\u5230\u7684\u5c31\u662f\u4e00\u5f20&#8221;\u5047\u6b7b&#8221;\u7684\u9875\u9762\u3002<\/p>\n<h2>Web Workers \u57fa\u7840<\/h2>\n<pre><code class=\"language-javascript\">\/\/ worker.js \u2014 \u540e\u53f0\u7ebf\u7a0b\nself.onmessage = function(e) {\n  const data = e.data;\n  \/\/ \u91cd\u8ba1\u7b97\u4efb\u52a1\n  const result = heavyCompute(data);\n  self.postMessage(result);\n};\n\n\/\/ main.js \u2014 \u4e3b\u7ebf\u7a0b\nconst worker = new Worker('worker.js');\nworker.postMessage({ items: largeArray });\nworker.onmessage = (e) => {\n  console.log('\u7ed3\u679c:', e.data);\n};<\/code><\/pre>\n<h2>\u4e0e Service Worker \u7684\u533a\u522b<\/h2>\n<p>\u5f88\u591a\u5f00\u53d1\u8005\u5bb9\u6613\u6df7\u6dc6 Web Workers \u548c <a target=\"_blank\" rel=\"noopener\" href=\"https:\/\/fsdata.site\/wechat-miniprogram-cloud\/\">\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u4e91\u5f00\u53d1<\/a>\u4e2d\u4f7f\u7528\u7684 service worker \u6982\u5ff5\u3002\u524d\u8005\u662f\u7eaf\u8ba1\u7b97\u7ebf\u7a0b\uff0c\u540e\u8005\u662f\u7528\u6765\u62e6\u622a\u7f51\u7edc\u8bf7\u6c42\u7684\u4ee3\u7406\u7ebf\u7a0b\u3002<\/p>\n<h2>\u6027\u80fd\u5bf9\u6bd4<\/h2>\n<table border=\"1\">\n<tr>\n<th>\u65b9\u6848<\/th>\n<th>100\u4e07\u6761\u6570\u636e\u5904\u7406<\/th>\n<th>\u4e3b\u7ebf\u7a0b\u54cd\u5e94<\/th>\n<\/tr>\n<tr>\n<td>\u4e3b\u7ebf\u7a0b\u76f4\u63a5\u7b97<\/td>\n<td>2.3s<\/td>\n<td>\u5b8c\u5168\u51bb\u7ed3<\/td>\n<\/tr>\n<tr>\n<td>Web Worker<\/td>\n<td>2.1s<\/td>\n<td>\u6b63\u5e38\u6eda\u52a8<\/td>\n<\/tr>\n<\/table>\n<h2>\u5173\u952e\u8981\u70b9<\/h2>\n<ol>\n<li><strong>Worker \u4e0d\u80fd\u64cd\u4f5c DOM<\/strong>\uff1a\u53ea\u80fd\u5728\u7eaf\u8ba1\u7b97\u573a\u666f\u4f7f\u7528<\/li>\n<li><strong>\u6570\u636e\u4f20\u8f93\u6210\u672c<\/strong>\uff1a\u5927\u6570\u636e\u91cf\u8003\u8651 Transferable Objects<\/li>\n<li><strong>\u9519\u8bef\u5904\u7406<\/strong>\uff1aWorker.onerror \u4e00\u5b9a\u8981\u76d1\u542c<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>\u524d\u7aef\u9875\u9762\u5361\u987f\uff1fWeb Workers \u5e2e\u4f60\u628a\u91cd\u8ba1\u7b97\u4efb\u52a1\u6254\u5230\u540e\u53f0\u7ebf\u7a0b\uff0c\u9644\u5b8c\u6574\u4ee3\u7801\u548c 100\u4e07\u6761\u6570\u636e\u5904\u7406\u6027\u80fd\u5bf9\u6bd4\u6570\u636e\u3002<\/p>\n","protected":false},"author":2,"featured_media":204,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[28,42,46,47,61],"class_list":["post-177","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-web-dev","tag-javascript","tag-web-workers","tag-46","tag-47","tag-61"],"_links":{"self":[{"href":"https:\/\/fsdata.site\/index.php?rest_route=\/wp\/v2\/posts\/177","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fsdata.site\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fsdata.site\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fsdata.site\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/fsdata.site\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=177"}],"version-history":[{"count":4,"href":"https:\/\/fsdata.site\/index.php?rest_route=\/wp\/v2\/posts\/177\/revisions"}],"predecessor-version":[{"id":240,"href":"https:\/\/fsdata.site\/index.php?rest_route=\/wp\/v2\/posts\/177\/revisions\/240"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/fsdata.site\/index.php?rest_route=\/wp\/v2\/media\/204"}],"wp:attachment":[{"href":"https:\/\/fsdata.site\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=177"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fsdata.site\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=177"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fsdata.site\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=177"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}