Pyramid of doom (programming)

Computer programming problem / From Wikipedia, the free encyclopedia

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In computer programming, the pyramid of doom is a common problem that arises when a program uses many levels of nested indentation to control access to a function. It is commonly seen when checking for null pointers or handling callbacks.[1] Two examples of the term are related to a particular programming style in JavaScript,[2] and the nesting of if statements that occurs in object-oriented programming languages when one of the objects may be a null pointer.[3][4]