{"id":5615,"date":"2023-01-06T10:50:52","date_gmt":"2023-01-06T02:50:52","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=5615"},"modified":"2023-01-06T10:50:52","modified_gmt":"2023-01-06T02:50:52","slug":"%e5%ad%b8%e7%bf%92%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8react-js%e6%b1%82%e5%ad%97%e7%ac%a6%e4%b8%b2%e9%95%b7%e5%ba%a6","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/react-js\/%e5%ad%b8%e7%bf%92%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8react-js%e6%b1%82%e5%ad%97%e7%ac%a6%e4%b8%b2%e9%95%b7%e5%ba%a6\/","title":{"rendered":"\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528React.JS\u6c42\u5b57\u7b26\u4e32\u9577\u5ea6"},"content":{"rendered":"<p><meta name=\"keywords\" content=\"React.JS, getStringLength\"><\/p>\n<h2>\u5982\u4f55\u4f7f\u7528 React.JS \u6c42\u5b57\u7b26\u4e32\u9577\u5ea6(getStringLength)<\/h2>\n<p>React.JS \u662f\u4e00\u500b\u7528\u65bc\u69cb\u5efa\u7528\u6236\u754c\u9762\u7684 JavaScript \u5eab\uff0c\u5b83\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u8f15\u9b06\u5730\u69cb\u5efa\u9ad8\u6027\u80fd\u7684\u7db2\u9801\u61c9\u7528\u7a0b\u5e8f\u3002\u5728 React.JS \u4e2d\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u4f7f\u7528 JavaScript \u4f86\u6c42\u5b57\u7b26\u4e32\u9577\u5ea6\uff0c\u4e5f\u5c31\u662f getStringLength\u3002<\/p>\n<p><!--more--><\/p>\n<p>\u5728 React.JS \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 <span style=\"font-weight: bold;\">String.prototype.length<\/span> \u4f86\u6c42\u5b57\u7b26\u4e32\u9577\u5ea6\uff0c\u5b83\u6703\u8fd4\u56de\u5b57\u7b26\u4e32\u4e2d\u5b57\u7b26\u7684\u500b\u6578\u3002\u4f8b\u5982\uff0c\u5982\u679c\u6211\u5011\u6709\u4e00\u500b\u5b57\u7b26\u4e32 &#8220;Hello World&#8221;\uff0c\u5247\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u78bc\u4f86\u6c42\u5b57\u7b26\u4e32\u9577\u5ea6\uff1a<\/p>\n<pre class=\"brush: javascript\">\nlet str = \"Hello World\";\nlet strLength = str.length;\nconsole.log(strLength); 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