doc: add example code for fs.existsSync()

PR-URL: #28354 Reviewed-By: Anna Henningsen <[email protected]> Reviewed-By: Ruben Bridgewater <[email protected]> Reviewed-By: Trivikram Kamat <[email protected]> Reviewed-By: Rich Trott <[email protected]> Reviewed-By: James M Snell <[email protected]>
nodejs · Jul 2, 2019 · 818f084 · 818f084
1 parent 5047006
commit 818f084
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diff --git a/doc/api/fs.md b/doc/api/fs.md
@@ -1701,6 +1701,11 @@ this API: [`fs.exists()`][].
 parameter to `fs.exists()` accepts parameters that are inconsistent with other
 Node.js callbacks. `fs.existsSync()` does not use a callback.
 
+```js
+if (fs.existsSync('/etc/passwd')) {
+  console.log('The file exists.');
+}
+```
 
 ## fs.fchmod(fd, mode, callback)
 <!-- YAML