Cannot read property 'concat' of undefin
//下拉刷新 数组合并 报错
console.log(e,‘到底了’)
that.f_list = that.f_list.concat(that.f_list);
Cannot read property ‘concat’ of undefin
谢谢各位大神 帮解释一下
//下拉刷新 数组合并 报错
console.log(e,‘到底了’)
that.f_list = that.f_list.concat(that.f_list);
Cannot read property ‘concat’ of undefin
谢谢各位大神 帮解释一下