- go to irb

irb(main):001:0> require 'watir'
=> true
irb(main):002:0> ie = Watir::IE.start("http://www.yahoo.com/")
=> #<Watir::IE:0x2e54280
[...]
>
irb(main):003:0> ie.divs.show
index id className
1
2
[...]
74
75
=> nil

- only indexes are printed, all ids are empty
- this is snippet of html of that page (divs have ids)

[...]
<div id="page">
<div id="masthead">
<div id="mastheadhd">
<div id="eyebrow">
<div class="iemw" style="width:925px;"></div>
[...]