{"id":4892,"date":"2023-01-05T11:13:44","date_gmt":"2023-01-05T03:13:44","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=4892"},"modified":"2023-01-05T11:13:44","modified_gmt":"2023-01-05T03:13:44","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%82%e9%95%b7%e5%ba%a6%e5%8a%9f%e8%83%bd","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%82%e9%95%b7%e5%ba%a6%e5%8a%9f%e8%83%bd\/","title":{"rendered":"\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528TypeScript\u5b57\u4e32\u7684\u6c42\u9577\u5ea6\u529f\u80fd"},"content":{"rendered":"<p><meta name=\"keywords\" content=\"TypeScript, String Length\"><\/p>\n<h1>TypeScript \u5b57\u4e32\u7684\u6c42\u9577\u5ea6(String Length)<\/h1>\n<p>TypeScript \u662f\u4e00\u7a2e JavaScript \u7684\u8d85\u96c6\uff0c\u5b83\u64c1\u6709 JavaScript \u7684\u6240\u6709\u529f\u80fd\uff0c\u4e26\u4e14\u63d0\u4f9b\u4e86\u984d\u5916\u7684\u7279\u6027\uff0c\u4f8b\u5982\u985e\u578b\u6aa2\u67e5\u548c\u975c\u614b\u5206\u6790\u3002\u5728 TypeScript \u4e2d\uff0c\u5b57\u4e32\u7684\u6c42\u9577\u5ea6\u662f\u4e00\u500b\u5f88\u5e38\u898b\u7684\u64cd\u4f5c\uff0c\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u5728 TypeScript \u4e2d\u6c42\u5b57\u4e32\u7684\u9577\u5ea6\u3002<\/p>\n<p><!--more--><\/p>\n<p>\u5728 TypeScript \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 <span style=\"font-weight: bold;\">length<\/span> \u5c6c\u6027\u4f86\u6c42\u5b57\u4e32\u7684\u9577\u5ea6\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre class=\"brush: typescript\">\nlet str = \"Hello World\";\nlet len = str.length;\nconsole.log(len); 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