m = Element.prototype.matches or
Element.prototype.matchesSelector or Element.prototype.mozMatchesSelector or Element.prototype.msMatchesSelector or Element.prototype.oMatchesSelector or Element.prototype.webkitMatchesSelector
Quails.matches = (element, selector) ->
if selector.exclude? m.call(element, selector.selector) and not m.call(element, selector.exclude) else m.call(element, selector)
# get and set data on a given element using “expando properties” # See: developer.mozilla.org/en-US/docs/Glossary/Expando expando = '_ujsData'
Quails.getData = (element, key) ->
element[expando]?[key]
Quails.setData = (element, key, value) ->
element[expando] ?= {} element[expando][key] = value
# a wrapper for document.querySelectorAll # returns an Array
Quails
.$ = (selector) ->
Array.prototype.slice.call(document.querySelectorAll(selector))