Difference Between AngularJS Module Factory, Service And Provider

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First of all lets consider the Difference among Factory, Service and Provider.
Factory Returns the Function's Return Value. Provider Returns the output of the Function's $Get Function. Service Returns the Actual Function. We explain on the basis of return value of each of them. Lets Consider a common function as shown below. This function will be used in common for Factory, Service and Provider demo.

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Syntax:

module.factory( 'factoryName', function );
Factory Returns the Function's Return Value.

Here the Function's name is demoFunction
The function's return value is Output from Factory is : Technomark.In.
We use double curly bracket for displaying the output as shown below.

{{ FactoryResult }}


The Result will be as follows on the browser.

This is From Factory : Output from Factory is : Technomark.In


That means we get the function's return value on the factory.






Syntax:

module.service( 'serviceName', function );
Service Returns the Actual Function.

Here the Function's name is demoFunction
We use double curly bracket for displaying the output as shown below.

{{ ServiceResult }}



> The Result will be as follows on the browser.

This is From Service : [object Object]


That means, Service Returns the Actual Function..




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Syntax:

module.provider( 'providerName', function );
Provider Returns the output of the Function's $Get Function .

Here the Function's name is demoFunction
The function's $get function's return value is Output from Provider is : Google.com.
We use double curly bracket for displaying the output as shown below.

{{ ProviderResult }}



The Result will be as follows on the browser.

This is From Provider : Output from Provider is : Google.com


That means, Provider Returns the output of the Function's $Get Function .