optgroup

Documentation

Overview

Package optgroup provides constructors and methods for the HTML <optgroup> element.

The <optgroup> HTML element creates a grouping of options within a <select> element.

Index

• Variables
• func Labelled(label string, options ...*option.Element) *element
• func New(nodes ...node.Node) *element
• func Options(options ...*option.Element) *element
• type Element

Variables

var (
	TagOpen  = []byte("<optgroup")
	TagClose = []byte("</optgroup>")

	AttrLabel    = []byte(" label=\"")
	AttrDisabled = []byte(" disabled")
)

Byte constants for HTML rendering.

Functions

func Labelled

func Labelled(label string, options ...*option.Element) *element

Labelled creates a labelled optgroup from option elements, enforcing correct nesting at compile time. Example: optgroup.Labelled("Colours", option.Option("red", "Red"), option.Option("blue", "Blue")) Renders: <optgroup label="Colours"><option value="red">Red</option><option value="blue">Blue</option></optgroup>

func New

func New(nodes ...node.Node) *element

New creates a new optgroup element with child option elements. Example: optgroup.New(option.Option("red", "Red"), option.Option("blue", "Blue")).Label("Colours") Renders: <optgroup label="Colours"><option value="red">Red</option><option value="blue">Blue</option></optgroup>

func Options

func Options(options ...*option.Element) *element

Options creates an optgroup from option elements, enforcing correct nesting at compile time. Example: optgroup.Options(option.Option("red", "Red"), option.Option("blue", "Blue")).Label("Colours") Renders: <optgroup label="Colours"><option value="red">Red</option><option value="blue">Blue</option></optgroup>

Types

type Element

type Element = element

Element is an exported alias for the private element type