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This article mainly shows you "jquery how to check the number of rows in a table", the content is easy to understand, clear, hope to help you solve your doubts, the following let the editor lead you to study and learn "jquery how to check how many rows in a table" this article.

Jquery check the number of rows in a table: 1, use the "$(" table "). Find (" tr ") statement to get the tr object in the table table; 2, use the length attribute to calculate the length of the tr object, you can get the number of rows of the table, syntax" tr object .length ".

The operating environment of this tutorial: windows7 system, jquery1.10.2 version, Dell G3 computer.

In a table, a pair of tr tags represents a row of data. To use jquery to check how many rows a table has, you need to check how many tr tag pairs there are in a table.

Implementation code:

$(document) .ready (function () {$("button") .click (function () {var num=$ ("table"). Find ("tr"). Length; alert (num);}) }) Person information, name, age. Peter 20 Lois 20 gets the number of rows in the table

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