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ferret/pkg/stdlib/html/scroll_top.go

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