Class: Watir::ElementCollection
- Inherits:
-
Object
- Object
- Watir::ElementCollection
- Includes:
- Enumerable
- Defined in:
- lib/watir-webdriver/collections/element_collection.rb
Direct Known Subclasses
Instance Method Summary collapse
- #[](idx) ⇒ Object
- #each {|element| ... } ⇒ Object
-
#first ⇒ Watir::BaseElement
First element of this collection.
-
#initialize(parent, element_class) ⇒ ElementCollection
constructor
A new instance of ElementCollection.
-
#last ⇒ Watir::BaseElement
Last element of the collection.
-
#length ⇒ Fixnum
(also: #size)
The number of elements in this collection.
-
#to_a ⇒ Array<Watir::BaseElement>
This collection as an Array.
Constructor Details
#initialize(parent, element_class) ⇒ ElementCollection
Returns a new instance of ElementCollection.
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# File 'lib/watir-webdriver/collections/element_collection.rb', line 6 def initialize(parent, element_class) @parent, @element_class = parent, element_class end |
Instance Method Details
#[](idx) ⇒ Object
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# File 'lib/watir-webdriver/collections/element_collection.rb', line 39 def [](idx) to_a[idx] || @element_class.new(@parent, :index, idx) end |
#each {|element| ... } ⇒ Object
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# File 'lib/watir-webdriver/collections/element_collection.rb', line 14 def each(&blk) to_a.each(&blk) end |
#first ⇒ Watir::BaseElement
First element of this collection
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# File 'lib/watir-webdriver/collections/element_collection.rb', line 49 def first to_a[0] || @element_class.new(@parent, :index, 0) end |
#last ⇒ Watir::BaseElement
Last element of the collection
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# File 'lib/watir-webdriver/collections/element_collection.rb', line 59 def last to_a[-1] || @element_class.new(@parent, :index, -1) end |
#length ⇒ Fixnum Also known as: size
Returns The number of elements in this collection.
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# File 'lib/watir-webdriver/collections/element_collection.rb', line 22 def length elements.length end |
#to_a ⇒ Array<Watir::BaseElement>
This collection as an Array
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# File 'lib/watir-webdriver/collections/element_collection.rb', line 69 def to_a # TODO: optimize - lazily @element_class instance @to_a ||= elements.map { |e| @element_class.new(@parent, :element, e) } end |