此方法允许迭代给定模式(可以是字符串或正则表达式)的每次出现。
语法
string.scan(pattern, iterator);
返回值
返回原始字符串。
例子
<html> <head> <title>Prototype examples</title> <script type = "text/javascript" src = "/javascript/prototype.js"></script> <script> function showResult() { str = "apple, pear, orange"; alert ("Actaul Alert"); alert ( str.scan(/\w+/, alert ) ); } </script> </head> <body> <p>Click the button to see the result.</p> <br /> <br /> <input type = "button" value = "Result" onclick = "showResult();"/> </body> </html>
作者:terry,如若转载,请注明出处:https://www.web176.com/prototype_api/8858.html