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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                ## toLowerCase與 toUpperCase 轉換大小寫 <br/> toLowerCase:將字符串中英文字符變為小寫 <br/> <br/> toUpperCase:將字符串中英文字符變為大寫 語法 ``` 變量名稱.toLowerCase(); 變量名稱.toUpperCase(); ``` 代碼案例 ``` <script type="text/javascript"> var a="你好AbCdEfG" var ab=a.toLocaleLowerCase(); console.log(ab); var bc=a.toLocaleUpperCase(); console.log(bc); </script> ```
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