JQuery : Add row after the third row of a table

I have a string as 'new row'.I have a table which as 5 rows.I want to add this string after the third row of my table.How i do this us开发者_如何转开发ing jQuery or javasript.

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Use .eq() and .after for this

$("#yourtableid tr:eq(2)").after("<tr><td>new row</td></tr>");