How to check if array is null or empty?

前端 未结 12 1390
后悔当初
后悔当初 2021-01-31 07:32

I want to check if my array is empty or null, and on base of which I want to create a condition for example.

if(array ==  EMPTY){
//do something
}
12条回答
  •  醉梦人生
    2021-01-31 07:48

    As nil maps to 0, which equals NO, the most elegant way should be

    if (![array count])
    

    the '==' operator is not necessary.

提交回复
热议问题