Returns false if its single operand can be converted to true; otherwise, returns true.
Examples of expressions that can be converted to false are those that evaluate to null, 0, the empty string (""), or undefined.
If current_user is null
=> !current_user is true
=> !!current_user is false
Aly Chiman is a Blogger & Reporter at AlyChiTech.com which covers a wide variety of topics from local news from digital world fashion and beauty . He is currently studying BS Mass Communication at University. He enjoys bringing you the very best and latest information here on the blog, so please come by often.