网络编程 发布日期:2024/10/6 浏览次数:1
该方法返回一个String对象的一个子集。
语法
string.substring(indexA, [indexB])
下面是参数的详细信息:
返回值:
例子:
<html> <head> <title>JavaScript String substring() Method</title> </head> <body> <script type="text/javascript"> var str = "Apples are round, and apples are juicy."; document.write("(1,2): " + str.substring(1,2)); document.write("<br />(0,10): " + str.substring(0, 10)); document.write("<br />(5): " + str.substring(5)); </script> </body> </html>
这将产生以下结果:
(1,2): p (0,10): Apples are (5): s are round, and apples are juicy.