bianco.attr

Usage

 import { set, get, has, remove } from 'bianco.attr'

// set an attribute on a node
const img = document.createElement('img')

set(img, 'width', 100)
get(img, 'width') // => '100'
has(img, 'width') // => true

remove(img, 'width')
get(img, 'width') // => null

API

Table of Contents

• set
  • Parameters
  • Examples
• get
  • Parameters
  • Examples
• remove
  • Parameters
  • Examples
• has
  • Parameters
  • Examples

set

Set any attribute on a single or a list of DOM nodes

Parameters

• els (HTMLElement | NodeList | Array) DOM node/s to parse
• name (string | Object) either the name of the attribute to set
  or a list of properties as object key - value
• value string the new value of the attribute (optional)

Examples

 import { set } from 'bianco.attr'

const img = document.createElement('img')

set(img, 'width', 100)

// or also
set(img, {
  width: 300,
  height: 300
})

Returns (HTMLElement | NodeList | Array) the original array of elements passed to this function

get

Get any attribute from a single or a list of DOM nodes

Parameters

• els (HTMLElement | NodeList | Array) DOM node/s to parse
• name (string | Array) name or list of attributes to get

Examples

 import { get } from 'bianco.attr'

const img = document.createElement('img')

get(img, 'width') // => '200'

// or also
get(img, ['width', 'height']) // => ['200', '300']

// or also
get([img1, img2], ['width', 'height']) // => [['200', '300'], ['500', '200']]

Returns (Array | string) list of the attributes found

remove

Remove any attribute from a single or a list of DOM nodes

Parameters

• els (HTMLElement | NodeList | Array) DOM node/s to parse
• name (string | Array) name or list of attributes to remove

Examples

 import { remove } from 'bianco.attr'

remove(img, 'width') // remove the width attribute

// or also
remove(img, ['width', 'height']) // remove the width and the height attribute

// or also
remove([img1, img2], ['width', 'height']) // remove the width and the height attribute from both images

Returns (HTMLElement | NodeList | Array) the original array of elements passed to this function

has

Set any attribute on a single or a list of DOM nodes

Parameters

• els (HTMLElement | NodeList | Array) DOM node/s to parse
• name (string | Array) name or list of attributes to detect

Examples

 import { has } from 'bianco.attr'

has(img, 'width') // false

// or also
has(img, ['width', 'height']) // => [false, false]

// or also
has([img1, img2], ['width', 'height']) // => [[false, false], [false, false]]

Returns (boolean | Array) true or false or an array of boolean values