{"id":5060,"date":"2023-01-05T11:47:28","date_gmt":"2023-01-05T03:47:28","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=5060"},"modified":"2023-01-05T11:47:28","modified_gmt":"2023-01-05T03:47:28","slug":"%e5%ad%b8%e7%bf%92%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8typescript%e5%ad%97%e4%b8%b2%e7%9a%84%e6%b1%82unicode%e7%a2%bccodepointat","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/typescript\/%e5%ad%b8%e7%bf%92%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8typescript%e5%ad%97%e4%b8%b2%e7%9a%84%e6%b1%82unicode%e7%a2%bccodepointat\/","title":{"rendered":"\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528TypeScript\u5b57\u4e32\u7684\u6c42Unicode\u78bc(codePointAt)"},"content":{"rendered":"<p><meta name=\"keywords\" content=\"TypeScript, Unicode, codePointAt\"><\/p>\n<h1>TypeScript \u5b57\u4e32\u7684\u6c42 Unicode \u78bc(codePointAt)<\/h1>\n<p>TypeScript \u662f\u4e00\u7a2e JavaScript \u7684\u8d85\u96c6\uff0c\u5b83\u64c1\u6709 JavaScript \u7684\u6240\u6709\u7279\u6027\uff0c\u4e26\u4e14\u63d0\u4f9b\u4e86\u984d\u5916\u7684\u7279\u6027\uff0c\u4f8b\u5982\u985e\u578b\u6aa2\u67e5\u548c ES6 \u7684\u652f\u63f4\u3002\u5728 TypeScript \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 codePointAt() \u65b9\u6cd5\u4f86\u6c42\u53d6\u5b57\u4e32\u4e2d\u6bcf\u500b\u5b57\u5143\u7684 Unicode \u78bc\u3002<\/p>\n<p><!--more--><\/p>\n<p>Unicode \u662f\u4e00\u7a2e\u570b\u969b\u5b57\u5143\u7de8\u78bc\u6a19\u6e96\uff0c\u5b83\u53ef\u4ee5\u8868\u793a\u4e16\u754c\u4e0a\u6240\u6709\u7684\u6587\u5b57\uff0c\u5305\u62ec\u6f22\u5b57\u3001\u65e5\u6587\u3001\u97d3\u6587\u7b49\u7b49\u3002Unicode \u78bc\u662f\u4e00\u500b\u6574\u6578\uff0c\u5b83\u53ef\u4ee5\u7528\u4f86\u8868\u793a\u6bcf\u500b\u5b57\u5143\u3002<\/p>\n<h2>TypeScript \u4e2d\u7684 codePointAt() \u65b9\u6cd5<\/h2>\n<p>\u5728 TypeScript \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 <span style=\"color: #009900; font-weight: bold;\">codePointAt()<\/span> \u65b9\u6cd5\u4f86\u6c42\u53d6\u5b57\u4e32\u4e2d\u6bcf\u500b\u5b57\u5143\u7684 Unicode \u78bc\u3002\u5b83\u63a5\u53d7\u4e00\u500b\u53c3\u6578\uff0c\u8868\u793a\u8981\u6c42\u53d6\u7684\u5b57\u5143\u7684\u7d22\u5f15\u4f4d\u7f6e\uff0c\u4e26\u8fd4\u56de\u8a72\u5b57\u5143\u7684 Unicode \u78bc\u3002<\/p>\n<pre class=\"brush: typescript\">\nlet str = 'Hello World';\nlet code = str.codePointAt(0); \/\/ 72\n<\/pre>\n<p>\u4e0a\u9762\u7684\u7a0b\u5f0f\u78bc\u4e2d\uff0c\u6211\u5011\u4f7f\u7528 codePointAt() \u65b9\u6cd5\u6c42\u53d6\u5b57\u4e32 str \u4e2d\u7d22\u5f15\u4f4d\u7f6e\u70ba 0 \u7684\u5b57\u5143\u7684 Unicode \u78bc\uff0c\u7d50\u679c\u70ba 72\u3002<\/p>\n<h2>\u7e3d\u7d50<\/h2>\n<p>\u5728 TypeScript \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 codePointAt() \u65b9\u6cd5\u4f86\u6c42\u53d6\u5b57\u4e32\u4e2d\u6bcf\u500b\u5b57\u5143\u7684 Unicode \u78bc\u3002\u5b83\u63a5\u53d7\u4e00\u500b\u53c3\u6578\uff0c\u8868\u793a\u8981\u6c42\u53d6\u7684\u5b57\u5143\u7684\u7d22\u5f15\u4f4d\u7f6e\uff0c\u4e26\u8fd4\u56de\u8a72\u5b57\u5143\u7684 Unicode \u78bc\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6458\u8981\uff1aTypeScript\u63d0\u4f9b\u4e86\u4e00\u500bcodePointAt()\u51fd\u6578\uff0c\u53ef\u4ee5\u7528\u4f86\u6c42\u53d6\u5b57\u4e32\u4e2d\u6bcf\u500b\u5b57\u5143\u7684Unicode\u78bc\uff0c\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528codePointAt()\u51fd\u6578\uff0c\u4ee5\u53ca\u5b83\u7684\u512a\u9ede\u8207\u7f3a\u9ede\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":[187],"tags":[186],"class_list":["post-5060","post","type-post","status-publish","format-standard","hentry","category-typescript","tag-typescript"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack-related-posts":[],"jetpack_shortlink":"https:\/\/wp.me\/pcFK27-1jC","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5060","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=5060"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5060\/revisions"}],"predecessor-version":[{"id":5061,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5060\/revisions\/5061"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=5060"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=5060"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=5060"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}