Merge pull request #552 from jvoisin/spaceclass

perf: replace regex+Split with strings.Fields in getClassesSlice

bench_property_test.go

@@ -49,3 +49,22 @@ func BenchmarkHtml(b *testing.B) {
 		_, _ = sel.Html()
 	}
 }
+
+func BenchmarkAddClass(b *testing.B) {
+	b.StopTimer()
+	sel := DocW().Find("li")
+	b.StartTimer()
+	for i := 0; i < b.N; i++ {
+		sel.AddClass("foo bar baz")
+	}
+}
+
+func BenchmarkRemoveClass(b *testing.B) {
+	b.StopTimer()
+	sel := DocW().Find("li")
+	sel.AddClass("foo bar baz")
+	b.StartTimer()
+	for i := 0; i < b.N; i++ {
+		sel.RemoveClass("foo bar baz")
+	}
+}

property.go

@@ -255,7 +255,7 @@ func getClassesAndAttr(n *html.Node, create bool) (classes string, attr *html.At
 }
 
 func getClassesSlice(classes string) []string {
-	return strings.Split(classTrimReplacer.Replace(" "+classes+" "), " ")
+	return strings.Fields(classes)
 }
 
 func removeAttr(n *html.Node, attrName string) {