What is difference between pure and impure pipe in Angular?

Sathish Harichandrapandian

Posted On: Feb 22, 2018

The difference between pure and impure pipes are:

Pure pipes	Impure pipes
Here it only executes a pure pipe only when there is a change in the internal state of the pipe.	Here the execution of the impure pipe is done on every change in the component during the entire cycle.
The change here can be primitive or non-primitive.	Here if you want to be a pipe to be impure then at that time you need to change the settings from flag to false.

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