js脚本数组Array长度可动态增长


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

猜你喜欢

转载自blog.csdn.net/HU_YEWEN/article/details/80466490