10.2.16 slice方法.html

javascript即用即差核心对象手册

<script>
  var str="hello,this is a test";
  var str1=str.slice(6,12);
  var str2=str.slice(6);
  var str3=str.slice(6,-6);
  with(document)
   {
      write(str1);
      write("<br>");
      write(str2);
      write("<br>");
      write(str3);
   }
</script>