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Merge pull request #1003 from alfiya-udc/master

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Ilya Kantor 2019-05-31 09:27:36 +03:00 • committed by GitHub
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2-ui/3-event-details/4-mouse-drag-and-drop/article.md
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@ -4,9 +4,9 @@ Drag'n'Drop is a great interface solution. Taking something, dragging and droppi
In the modern HTML standard there's a [section about Drag Events](https://html.spec.whatwg.org/multipage/interaction.html#dnd).
They are interesting, because they allow to solve simple tasks easily, and also allow to handle drag'n'drop of "external" files into the browser. So we can take a file in the OS file-manager and drop it into the browser window. Then JavaScript gains access to its contents.
They are interesting because they allow to solve simple tasks easily, and also allow to handle drag'n'drop of "external" files into the browser. So we can take a file in the OS file-manager and drop it into the browser window. Then JavaScript gains access to its contents.
But native Drag Events also have limitations. For instance, we can limit dragging by a certain area. Also we can't make it "horizontal" or "vertical" only. There are other drag'n'drop tasks that can't be implemented using that API.
But native Drag Events also have limitations. For instance, we can't limit dragging by a certain area. Also we can't make it "horizontal" or "vertical" only. There are other drag'n'drop tasks that can't be implemented using that API.
So here we'll see how to implement Drag'n'Drop using mouse events. Not that hard either.

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5-network/02-fetch-progress/article.md
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@ -3,7 +3,7 @@
The `fetch` method allows to track download progress.
Please note: there's currently no way for fetch to track upload progress. For that purpose, please use [XMLHttpRequest](info:xmlhttprequest).
Please note: there's currently no way for `fetch` to track upload progress. For that purpose, please use [XMLHttpRequest](info:xmlhttprequest).
To track download progress, we can use `response.body` property. It's a "readable stream" -- a special object that provides body chunk-by-chunk, as it comes, so we can see how much is available at the moment.