论坑爹的js中的空数组问题

秒速五厘米 2022-05-29 01:05 159阅读 0赞

作为处级前台写手，定义 var tt = \[\]; 作为全局变量，但是发现你使用的时候不对他进行清空的话，他会在以前旧数据的基础上进行叠加，例如

var tt = \[\];

function t1()\{

tt.push('1');

function t2()\{

tt.push("2");

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