如何确定两个UIButton是否不相同

Question

Ｉwant to make sure ButtonA and ButtonB are the same one.

I must to judge the "title", "backgroundColor","image for Normal or image for Selected" of two Button is Equal?

Answer 1

Swift:

if button1 !== button2 {
    // they are not the same button
}

Objective-C:

if (button1 != button2) {
    // they are not the same button
}