Added dynamic styling to templates via a style function, with this properties can be used to create styles that automatically update. Or you can use static style values.

src/sheet.js

@@ -12,6 +12,7 @@ class Sheet extends IgniteElement {
             items: ["1", "2"],
             href: "www.google.com",
             name: "default content",
+            color: "red",
             linkClick: this.onClick1,
             linkClick2: this.onClick2
         };
@@ -30,7 +31,9 @@ class Sheet extends IgniteElement {
                     new html("<h3>---- begin sheet's slot ----<h3>"),
                     new slot(this),
                     new html("<h3>---- end of slot ----</h3>"),
-                    new a("I go nowhere, but you can click me ;)").on("click", this.linkClick).on("click", this.linkClick2)
+                    new a("I go nowhere, but you can click me ;)")
+                        .on("click", this.linkClick).on("click", this.linkClick2)
+                        .style("color", this.color, "important")
                 )
             );
     }