[Serguei Kouzmine]

попробуйте то же только в повершел -

Код:

$s = new-object -com 'internetexplorer.application'
$s.visible = $true
$target_url = 'https://tickets.ifa.com/Services/ADService.html?lang=ru'
$s.navigate2($target_url)
$s.ReadyState # 4
$s.Busy # False
# $s.document | get-member
# ... a lot of output ...
$doc = $s.document
# $doc 
#  
$m1 = $doc.documentElement.getElementsByClassName('header')

<#
 $m1 | get-member


   TypeName: System.__ComObject#{3050f50c-98b5-11cf-bb82-00aa00bdce0b}

Name                         MemberType Definition
----                         ---------- ----------
addBehavior                  Method     int addBehavior (string, Variant)
addFilter                    Method     void addFilter (IUnknown)
... сокращено ...
#>

$e1 = $m1[1]
$e1.nodeName # DIV
$e1.textContent # Матч 02 - Египет : Уругвай - Екатеринбург
$e2 = $e1.parentNode
$e2.innerHTML
# <div class="header" ng-bind="product.productName">Матч 02 -Египет : Уругвай - Екатеринбург</div>
$e3 = $e2.parentNode
$e4 = $e3.NextSibling.NextSibling

$e4.textContent
#     CAT 1
#     CAT 2
#     CAT 3
#     CAT 4

$m2 = $e4.getElementsByClassName('categoryBox')
$m2[1]
$m2[1].innerHTML
# CAT 2
$m2[1].outerHTML
# <div class="categoryBox zeroAvailability" ng-bind="cat.categoryName" ng-class="cat.availabilityColor">CAT 2</div>


$m2[1].getAttribute('ng-class')
# cat.availabilityColor


# для поиска "Низкая доступность":

# $m2 | where-object { $_.getAttribute('ng-class') -match '.*Zero.*' }