method

select_first

v4.0.2 - Show latest stable - 0 notes - Class: HTML::Selector

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What's this?

select_first(root) public

Similar to #select but returns the first matching element. Returns nil if no element matches the selector.

# File actionpack/lib/action_view/vendor/html-scanner/html/selector.rb, line 473
    def select_first(root)
      stack = [root]
      while node = stack.pop
        if node.tag? && subset = match(node, true)
          return subset.first if !subset.empty?
        elsif children = node.children
          stack.concat children.reverse
        end
      end
      nil
    end

select_first

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