摘要: var arr1=[1,2,3,4];var arr2=arr1;arr2.push(5);console.log(arr1);//和arr2一样console.log(arr1==arr2);//trueconsole.log(arr1===arr2);//truefunction Cat(nam... 阅读全文
posted @ 2014-05-17 18:07 cart55free99 阅读(151) 评论(0) 推荐(0) 编辑