JavaScript字符串localeCompare()方法详解：语法、返回值与示例

string.localeCompare( param )

<html>
<head>
<title>JavaScript String localeCompare() Method</title>
</head>
<body>
<script type="text/javascript">
var str1 = new String( "This is beautiful string" );
var index = str1.localeCompare( "XYZ" );
document.write("localeCompare first :" + index ); 

document.write("<br />" ); 

var index = str1.localeCompare( "AbCD ?" );
document.write("localeCompare second :" + index ); 

</script>
</body>
</html>

localeCompare first :-1
localeCompare second :1