<script language= "JavaScript" > var str = "abcdef" ; document.write( str.slice(1) + "<br />" ); document.write( str.slice(1,3) + "<br />" ); // 获取最后两个字符 document.write( str.slice(-2) + "<br />" ); document.write( str.slice(-4,-2) ); </script> |
运行该例子,输出:
bcdef bc ef cd |