javascript - What is "Dirty" in React.js? - Stack Overflow

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I am trying to understand React.js and often come across a term "Dirty" like dirty checker/checking, dirty data ,dirty model

I followed this question but could not make out what actually the term Dirty convey & why we call it dirty.

I am trying to understand React.js and often come across a term "Dirty" like dirty checker/checking, dirty data ,dirty model

I followed this question but could not make out what actually the term Dirty convey & why we call it dirty.

• javascript
• reactjs

Share Improve this question Follow edited May 23, 2017 at 11:54 CommunityBot 111 silver badge asked Feb 8, 2016 at 4:53 brkbrk 50.3k1010 gold badges5858 silver badges8282 bronze badges 1

• 7 For people who don't like React, the whole thing is dirty... ;) – nnnnnn Commented Feb 8, 2016 at 6:08

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Dirty data - the data, that have been changed recently and DOM haven't been re-rendered according to this changes yet. So dirty checking is diff between next state and current state.

Dirty is just the state of the form which tells that this form has been touched by user. This does not means that form is invalid.

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