Html.Events.Extra

Additional decoders for use with event handlers in html.

Event decoders

charCode : Decoder (Maybe Char)

Character code for key board events. This is being deprecated, but support for DOM3 Keyboard events is not yet present in most browsers.

Floating-point target value.

Integer target value.

targetValueMaybe : Decoder (Maybe String)

String or empty target value.

targetValueMaybeFloat : Decoder (Maybe Float)

Floating-point or empty target value.

targetValueMaybeInt : Decoder (Maybe Int)

Integer or empty target value.

Parse a floating-point value from the input instead of using valueAsNumber. Use this with inputs that do not have a number type.

Parse an integer value from the input instead of using valueAsNumber. Use this with inputs that do not have a number type.

Parse an optional floating-point value from the input instead of using valueAsNumber. Use this with inputs that do not have a number type.

Parse an optional integer value from the input instead of using valueAsNumber. Use this with inputs that do not have a number type.

targetSelectedIndex : Decoder (Maybe Int)

Parse the index of the selected option of a select. Returns Nothing in place of the spec's magic value -1.

onClickPreventDefault : msg -> Attribute msg

Always send msg upon click, preventing the browser's default behavior.

onClickStopPropagation : msg -> Attribute msg

Always send msg upon click, preventing click propagation.

Always send msg upon click, preventing the browser's default behavior and propagation

onEnter : msg -> Attribute msg

When the enter key is released, send the msg. Otherwise, do nothing.

onChange : (String -> msg) -> Attribute msg

An HTML Event attribute that passes the event.target.value to a msg constructor when an input, select, or textarea element has changed.