个回答

• qq_蟋梦人生_0

  2017-03-23 18:04:02

  已采纳

  1.var arry=[1,2,3,4,5,6,7];

  2.document.write(”数组“+i+"为"+arry[i]+"");
  

  0

• _Faine_1

  2017-03-23 18:19:47

  var arry=['1','2','3','4','5','6','7']; 

  arry[7]=8; 

  document.write("数组长度："+arry.length+"");

  //这里

  var i; 

  
  

  for(i=0;i<=7;i++) 

  {    document.write("数组"+i"为"+arry[i]+""); } 

  0