Ruby Question
How can I get the number of instances of a tag element with "id='foo'" using Watir?
How can I get the number of instances of a tag element with
id='foo'I have this:
b = Watir::Browser.new
b.a(:id => 'foo')
How then do I get the number of instances and access via an index, like this:
b.a(:id => 'foo', :index => $i) #Here, $i is a variable in a loop
In pseudocode I'm essentially trying to do this:
num = "number of a tags with id foo"
while $i less than num do
put b.a(:id => 'foo', :index => $i).text into an array
end
I know how to do everything above EXCEPT finding
num
Answer
If you want to know how many matches there are, you need to get an element collection (not just an element). A collection is retrieved by pluralizing the element method - ie as.
b.as(:id => 'foo')
#=> <Watir::AnchorCollection>
From the collection, you can use length (or count) to find the number of instances:
b.as(:id => 'foo').length
Note that the element collection is Enumerable. This means you do not need to use a while loop and manual track the current index and total elements. For example, using each, you can simply write:
b.as(:id => 'foo').each do |a|
puts a.text
end
Source (Stackoverflow)