此方法将字符串的第一个字母大写并小写所有其他字母。
string.capitalize();
返回一个字符串。
<html> <head> <title>Prototype examples</title> <script type = "text/javascript" src = "/javascript/prototype.js"></script> <script> function showResult() { var str = 'hello'; alert("hello.capitalize() : " + str.capitalize() ); str = 'HELLO WORLD!'; alert("HELLO WORLD!.capitalize() : " + str.capitalize() ); } </script> </head> <body> <p>Click the button to see the result.</p> <br /> <br /> <input type = "button" value = "Result" onclick = "showResult();"/> </body> </html>