Some global Javascript method

golbal.coffee

window.TBS ||= {}

Date::format = (format) ->
  o =
    'M+': @getMonth() + 1
    'd+': @getDate()
    'h+': @getHours()
    'm+': @getMinutes()
    's+': @getSeconds()
    'q+': Math.floor((@getMonth() + 3) / 3)
    'S': @getMilliseconds()
  if /(y+)/.test(format)
    format = format.replace(RegExp.$1, (@getFullYear() + '').substr(4 - (RegExp.$1.length)))
  for k of o
    if new RegExp('(' + k + ')').test(format)
      format = format.replace(RegExp.$1, if RegExp.$1.length == 1 then o[k] else ('00' + o[k]).substr(('' + o[k]).length))
  format

TBS.makeid = ->
  text = ''
  possible = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789'
  i = 0
  while i < 8
    text += possible.charAt(Math.floor(Math.random() * possible.length))
    i++
  text

TBS.getParameterByName = (name, url) ->
  if !url
    url = window.location.href
  name = name.replace(/[\[\]]/g, '\\$&')
  regex = new RegExp('[?&]' + name + '(=([^&#]*)|&|#|$)')
  results = regex.exec(url)
  if !results
    return null
  if !results[2]
    return ''
  decodeURIComponent results[2].replace(/\+/g, ' ')

TBS.supportHTML5 = ->
  test_canvas = document.createElement("canvas")
  isSupport = if test_canvas.getContext then true else false
  isSupport

TBS.isIE = ->
  userAgent = window.navigator.userAgent
  userAgent.indexOf("MSIE ") > -1 || userAgent.indexOf("Trident/") > -1 || userAgent.indexOf("Edge/") > -1

TBS.getLocation = (href) ->
  l = document.createElement("a")
  l.href = href
  l