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Answers and rating deltas for

How I can check if <tr> has no siblings at first and last when click

Author Votes Δ
l.varga 2 +4.27
Douwe de Haan 1 +1.03
js.palus 0 -2.63
Leong Chee Siong 0 -2.67
Last visited: Aug 2, 2017, 8:46:41 PM