Add web component elements and slot attribute (#235)

The slot attribute is a standard attribute for use with web components:
https://developer.mozilla.org/en-US/docs/Web/API/Web_components/Using_templates_and_slots

1 files changed, 4 insertions, 0 deletions

diff --git a/html/attributes.go b/html/attributes.go
index 2e9a05a..be8393e 100644
--- a/html/attributes.go
+++ b/html/attributes.go
@@ -133,6 +133,10 @@ func DataAttr(name, v string) g.Node {
 	return Data(name, v)
 }
 
+func SlotAttr(v string) g.Node {
+  return g.Attr("slot", v)
+}
+
 func For(v string) g.Node {
 	return g.Attr("for", v)
 }