How does knockout maintains state?

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management

Knockout.js

state

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I'm new to Knockout JS and working on small single page application. I found some good examples and observed that even after page is saved and reloaded the data other copntrols are untouched. Their data is not lost.

Also I filled some details on Page1 and moved to Page2 and there I did some operations even saved the data and then came back to Page1, but still I found my data that I entered before moving to page2.

I wonder how does it maintains state? I din't find any artical or something regarding the same. Can anyone give a hint how it happens and how can we maintain state?

What I have tried:

I've tried to find some articals but couldn't find any.