切换布局
显示结果
<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>
