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
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