Save and read file with JS

Question

var myxml = String.raw`<mvc:View xmlns="sap.m" xmlns:mvc="sap.ui.core.mvc">
<Text text="Hello Here is Oma FAlk"/> </mvc:View>`;
//alert(myxml)

f = fopen("/.App.view.xml", 3)// opens the file for writing
alert(f)

fwrite(f, myxml);// c

Is this the correct way to read/write files in JS?
try to create a xml file in same directory as html and js file.
https://code.sololearn.com/Wa18A231A13A/?ref=app

Answer 1

Use fetch method to load a file.
To write a file to download folder, you need to create download link with click action.

https://code.sololearn.com/WMRV3ZREEniR/?ref=app
https://code.sololearn.com/W14L3XZ9JqGR/?ref=app

Answer 2

It is possible via an indirect way, using a Blob Object and a download link (see example).
This method does possibly not work inside the Sololearn code playground in the mobile app (at least not on my iPhone), but it works in every webbrowser or the code playground of the Sololearn Website.
https://code.sololearn.com/WA14a21a6a0A/?ref=app

Answer 3

i am writing data to json in localstorage. Localstorage works for ios but not in android app

in case json is an option for you

Answer 4

Michael would your solution work from an app? were would it write to?

Answer 5

@bell depends on the parser and/or the restrictions of the OS. If the download attribute of the <a> tag is supported and File API is accessable, it should be possible.

Answer 6

Martin Taylor no.....
these are my tries.
Ok I can't...
Must do the UI dynamically.

Answer 7

ok