doc: update os.uptime() and process.uptime() info

vsemozhetbyt · jasnell · commit 9b6376a4eeef · 2017-04-11T02:35:13.000-07:00
PR-URL: nodejs#12294 Fixes: nodejs#12291 Reviewed-By: Refael Ackermann <refack@gmail.com> Reviewed-By: Gibson Fahnestock <gibfahn@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>
diff --git a/doc/api/os.md b/doc/api/os.md
@@ -378,9 +378,8 @@ added: v0.3.3
 
 The `os.uptime()` method returns the system uptime in number of seconds.
 
-*Note*: Within Node.js' internals, this number is represented as a `double`.
-However, fractional seconds are not returned and the value can typically be
-treated as an integer.
+*Note*: On Windows the returned value includes fractions of a second.
+Use `Math.floor()` to get whole seconds.
 
 ## os.userInfo([options])
 <!-- YAML
diff --git a/doc/api/process.md b/doc/api/process.md
@@ -1672,6 +1672,9 @@ added: v0.5.0
 The `process.uptime()` method returns the number of seconds the current Node.js
 process has been running.
 
+*Note*: the return value includes fractions of a second. Use `Math.floor()`
+to get whole seconds.
+
 ## process.version
 <!-- YAML
 added: v0.1.3
