JavaScript 字符串string toLocaleLowerCase方法 JavaScript 字符串 string substring子字符串方法 JavaScript 字符串 string toLocaleUpperCase 方法 JavaScript 字符串string toLocaleLowerCase方法 <html> <head> <title>JavaScript String toLocaleLowerCase() Method</title> </head> <body> <script type = "text/javascript"> var str = "Apples are round, and Apples are Juicy."; document.write(str.toLocaleLowerCase( )); </script> </body> </html> JavaScript 字符串 string substring子字符串方法 JavaScript 字符串 string toLocaleUpperCase 方法