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ferret/pkg/stdlib/html/scroll_top.go
2019-09-07 14:03:17 -04:00

28 lines
581 B
Go

package html
import (
"context"
"github.com/MontFerret/ferret/pkg/drivers"
"github.com/MontFerret/ferret/pkg/runtime/core"
"github.com/MontFerret/ferret/pkg/runtime/values"
)
// SCROLL_TOP scrolls the document's window to its top.
// @param doc (HTMLDocument) - Target document.
func ScrollTop(ctx context.Context, args ...core.Value) (core.Value, error) {
err := core.ValidateArgs(args, 1, 1)
if err != nil {
return values.None, err
}
doc, err := drivers.ToDocument(args[0])
if err != nil {
return values.None, err
}
return values.None, doc.ScrollTop(ctx)
}