How Can I Edit a .txt file using Javascript or jQuery forms

I have a .txt file that needs to be acces开发者_如何学运维sed offline in the browser. Ideally I would like to the page to open and different form fields display the data from each specific line.

Are there any tuts on this?

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You can start with Mozilla's explanation of the HTML 5 File API.

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you can refer following documentation on MDN