var array=new Array();
array[5]='aaa';
document.write(array.length+'<br>'+array+'<br>')
array[10]='bbb';
document.write(array.length+'<br>'+array)
output:
6
,,,,,aaa
11
,,,,,aaa,,,,,bbb
var array=new Array();
array[5]='aaa';
document.write(array.length+'<br>'+array+'<br>')
array[10]='bbb';
document.write(array.length+'<br>'+array)
output:
6
,,,,,aaa
11
,,,,,aaa,,,,,bbb