{"id":2025,"date":"2025-10-15T16:26:02","date_gmt":"2025-10-15T08:26:02","guid":{"rendered":"https:\/\/womeifei.cn\/?p=2025"},"modified":"2025-10-16T21:11:01","modified_gmt":"2025-10-16T13:11:01","slug":"promise01","status":"publish","type":"post","link":"https:\/\/womeifei.cn\/index.php\/2025\/10\/15\/promise01\/","title":{"rendered":"Promise01 &#8212; \u4e00\u4e9b\u7406\u8bba"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">1.\u4ec0\u4e48\u662fPromise?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Promise \u662f\u4e00\u79cd\u5f02\u6b65\u7f16\u7a0b\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u7528\u4e8e\u5904\u7406\u5f02\u6b65\u64cd\u4f5c\uff0c\u907f\u514d\u56de\u8c03\u5730\u72f1\u95ee\u9898<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b83\u6709\u4e09\u79cd\u72b6\u6001\uff1apending\uff08\u8fdb\u884c\u4e2d\uff09\u3001fulfilled\uff08\u5df2\u6210\u529f\uff09\u548c rejected\uff08\u5df2\u5931\u8d25\uff09\uff0c\u72b6\u6001\u4e00\u65e6\u4ece pending \u53d8\u4e3a fulfilled \u6216\u8005 rejected \u5c31\u4e0d\u80fd\u518d\u6539\u53d8<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2.Promise\u7684\u57fa\u672c\u4f7f\u7528<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u8981\u6c42\u5199\u4e00\u4e2a\u7b80\u5355\u7684 Promise \u793a\u4f8b\u4ee3\u7801<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/womeifei.cn\/wp-content\/uploads\/2025\/10\/image-13-1024x918.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"918\" data-original=\"https:\/\/womeifei.cn\/wp-content\/uploads\/2025\/10\/image-13-1024x918.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-2027\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">3.Promise\u7684\u94fe\u5f0f\u8c03\u7528<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u8be2\u95ee Promise \u94fe\u5f0f\u8c03\u7528\u7684\u539f\u7406\u548c\u4f7f\u7528\u573a\u666f<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u539f\u7406\u662f\u6bcf\u4e2a then \u65b9\u6cd5\u90fd\u4f1a\u8fd4\u56de\u4e00\u4e2a\u65b0\u7684 Promise \u5bf9\u8c61\uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u5b9e\u73b0\u94fe\u5f0f\u8c03\u7528<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f7f\u7528\u573a\u666f\u5305\u62ec\u9700\u8981\u6309\u987a\u5e8f\u6267\u884c\u591a\u4e2a\u5f02\u6b65\u64cd\u4f5c\u7684\u60c5\u51b5\uff0c\u6bd4\u5982\u5148\u4ece\u63a5\u53e3\u83b7\u53d6\u7528\u6237\u4fe1\u606f\uff0c\u518d\u6839\u636e\u7528\u6237\u4fe1\u606f\u83b7\u53d6\u7528\u6237\u8ba2\u5355\u4fe1\u606f\u7b49<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/womeifei.cn\/wp-content\/uploads\/2025\/10\/image-14-1024x954.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"954\" data-original=\"https:\/\/womeifei.cn\/wp-content\/uploads\/2025\/10\/image-14-1024x954.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-2028\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">4.Promise.all \u548c Promise.race<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u89e3\u91ca Promise.all \u548c Promise.race \u7684\u533a\u522b\u548c\u4f7f\u7528\u573a\u666f<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Promise.all\uff1a\u63a5\u6536\u4e00\u4e2a Promise \u6570\u7ec4\u4f5c\u4e3a\u53c2\u6570\uff0c\u53ea\u6709\u5f53\u6570\u7ec4\u4e2d\u6240\u6709 Promise \u90fd\u6210\u529f\u65f6\uff0c\u5b83\u8fd4\u56de\u7684 Promise \u624d\u4f1a\u6210\u529f\uff0c\u7ed3\u679c\u662f\u4e00\u4e2a\u5305\u542b\u6240\u6709\u6210\u529f\u7ed3\u679c\u7684\u6570\u7ec4\uff1b\u5982\u679c\u6709\u4e00\u4e2a Promise \u5931\u8d25\uff0c\u5b83\u8fd4\u56de\u7684 Promise \u5c31\u4f1a\u5931\u8d25\uff0c\u7ed3\u679c\u662f\u7b2c\u4e00\u4e2a\u5931\u8d25\u7684 Promise \u7684\u9519\u8bef\u4fe1\u606f  <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f7f\u7528\u573a\u666f\u662f\u9700\u8981\u5e76\u884c\u6267\u884c\u591a\u4e2a\u5f02\u6b65\u64cd\u4f5c\uff0c\u5e76\u4e14\u9700\u8981\u7b49\u5f85\u6240\u6709\u64cd\u4f5c\u90fd\u5b8c\u6210\u540e\u518d\u8fdb\u884c\u4e0b\u4e00\u6b65\u5904\u7406<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Promise.race\uff1a\u540c\u6837\u63a5\u6536\u4e00\u4e2a Promise \u6570\u7ec4\u4f5c\u4e3a\u53c2\u6570\uff0c\u53ea\u8981\u6570\u7ec4\u4e2d\u6709\u4e00\u4e2a Promise \u72b6\u6001\u6539\u53d8\uff08\u6210\u529f\u6216\u5931\u8d25\uff09\uff0c\u5b83\u8fd4\u56de\u7684 Promise \u5c31\u4f1a\u7acb\u5373\u4ee5\u76f8\u540c\u7684\u72b6\u6001\u548c\u7ed3\u679c\u6539\u53d8 <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f7f\u7528\u573a\u666f\u662f\u591a\u4e2a\u5f02\u6b65\u64cd\u4f5c\u7ade\u4e89\uff0c\u53ea\u9700\u8981\u7b2c\u4e00\u4e2a\u5b8c\u6210\u7684\u7ed3\u679c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/womeifei.cn\/wp-content\/uploads\/2025\/10\/image-15-1024x916.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"916\" data-original=\"https:\/\/womeifei.cn\/wp-content\/uploads\/2025\/10\/image-15-1024x916.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-2029\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>1.\u4ec0\u4e48\u662fPromise? Promise \u662f\u4e00\u79cd\u5f02\u6b65\u7f16\u7a0b\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u7528\u4e8e\u5904\u7406\u5f02\u6b65\u64cd\u4f5c\uff0c\u907f\u514d\u56de\u8c03\u5730\u72f1\u95ee\u9898 \u5b83\u6709 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10,1],"tags":[],"class_list":["post-2025","post","type-post","status-publish","format-standard","hentry","category-javascript","category-1"],"_links":{"self":[{"href":"https:\/\/womeifei.cn\/index.php\/wp-json\/wp\/v2\/posts\/2025","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/womeifei.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/womeifei.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/womeifei.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/womeifei.cn\/index.php\/wp-json\/wp\/v2\/comments?post=2025"}],"version-history":[{"count":3,"href":"https:\/\/womeifei.cn\/index.php\/wp-json\/wp\/v2\/posts\/2025\/revisions"}],"predecessor-version":[{"id":2038,"href":"https:\/\/womeifei.cn\/index.php\/wp-json\/wp\/v2\/posts\/2025\/revisions\/2038"}],"wp:attachment":[{"href":"https:\/\/womeifei.cn\/index.php\/wp-json\/wp\/v2\/media?parent=2025"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/womeifei.cn\/index.php\/wp-json\/wp\/v2\/categories?post=2025"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/womeifei.cn\/index.php\/wp-json\/wp\/v2\/tags?post=2025"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}