docs: update Quick Start Guide for Electron 12 (#28223)

* docs: Update Quick Start Guide for Electron 12

With `contextIsolation` enabled by default in Electron 12, the Getting Started Guide no longer works as it is written. In order for the basic example to display values from `process.versions`, we need to add a `preload.js` to the example.

* fix: annotate preload code block with a language

* docs: update quick-start Fiddle example to use preload to provide version info

* fix: ensure example files end in a newline

* docs: add security warning to instructions for turning off contextIsolation

Co-authored-by: John Kleinschmidt <jkleinsc@github.com>

* docs: treat preload as an adjective instead of a noun

Co-authored-by: John Kleinschmidt <jkleinsc@github.com>

Co-authored-by: John Kleinschmidt <jkleinsc@github.com>
This commit is contained in:
Will Anderson 2021-03-16 16:45:38 -07:00 committed by GitHub
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commit b6ff12ef7f
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4 changed files with 71 additions and 28 deletions

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@ -8,9 +8,9 @@
<body>
<h1>Hello World!</h1>
<p>
We are using node <script>document.write(process.versions.node)</script>,
Chrome <script>document.write(process.versions.chrome)</script>,
and Electron <script>document.write(process.versions.electron)</script>.
We are using Node.js <span id="node-version"></span>,
Chromium <span id="chrome-version"></span>,
and Electron <span id="electron-version"></span>.
</p>
</body>
</html>