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
x
21
21
1
<html>2
<head>3
<title>Prototype examples</title>4
<script type = "text/javascript" src = "/javascript/prototype.js"></script>5
6
<script>7
function showResult() {8
str = "apple, pear, orange";9
alert ("Actaul Alert");10
alert ( str.scan(/\w+/, alert ) );11
}12
</script>13
</head>14
15
<body>16
<p>Click the button to see the result.</p>17
<br />18
<br />19
<input type = "button" value = "Result" onclick = "showResult();"/>20
</body>21
</html>阅读剩余 31%
作者：terry，如若转载，请注明出处：https://www.web176.com/prototype_api/8858.html
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