Although Hadith discourages excessive laughing like worldly people, but modest laughing is a blessed Sunnah.
Ishmael Abraham “The Messenger of Allah said: ‘Allah laughs at the despair of His slaves although He soon changes it.’ I said: ‘O Messenger of Allah, does the Lord laugh?’ He said: ‘Yes.’ I said: ‘We shall never be deprived of good by a Lord Who laughs.'"
Ishmael Abraham Narrated Jarir bin ‘Abdullah:
“The Messenger of Allah (ﷺ) never screened me ( meaning forbade my entry in his presence) since I accepted Islam, nor did he look at me except that he laughed."
Ishmael Abraham He was asked: At what did you laugh? He replied: I saw the Messenger of Allah (ﷺ) do as I have done, and laugh after that. I asked: Messenger of Allah , at what are you laughing? He replied: Your Lord, Most High, is pleased with His servant when he says: “Forgive me my sins." He know that no one forgives sins except Him.
Ishmael Abraham All of a sudden the Messenger of Allah (ﷺ) who had come up behind caught me by the back of the neck, and when I looked at him he was laughing. He said: Go where I ordered you, little Anas. I replied: Yes, I am going, Apostle of Allah! Anas said: I swear by Allah, I served him for seven or nine years, and he never said to me about a thing which I had done: Why did you do such and such? Nor about a thing which I left: why did not do such and such?
Ishmael Abraham When all laughed for something, he would laugh too.
So, we should not excessively laugh at pornographic, blasphemous, backbiting and untruthful jokes like worldly people but we should revive the blessed practice of modest laughing.