Merge commit '35dec7c96f7ee3eb17dd444f7067f0c776fb56ae'

docs/content/en/methods/duration/Seconds.md

@@ -0,0 +1,17 @@
+---
+title: Seconds
+description: Returns the time.Duration value as a floating point number of seconds.
+categories: []
+keywords: []
+action:
+  related:
+    - functions/time/Duration
+    - functions/time/ParseDuration
+  returnType: float64
+  signatures: [DURATION.Seconds]
+---
+
+```go-html-template
+{{ $d = time.ParseDuration "3.5h2.5m1.5s" }}
+{{ $d.Seconds }} → 12751.5
+```