JQuery uses the index method to obtain the bottom mark of the Jquery object Array

Source: Internet
Author: User

JQuery uses the index method to obtain the bottom mark of the Jquery object Array

This example describes how JQuery uses the index method to obtain the bottom mark of the Jquery object array. Share it with you for your reference. The specific implementation method is as follows:

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<! DOCTYPE html PUBLIC "-// W3C // dtd xhtml 1.0 Transitional // EN"

Http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd>

<Html xmlns = "http://www.w3.org/1999/xhtml">

<Head>

<Meta http-equiv = "Content-Type" content = "text/html; charset = UTF-8"/>

<Title> index method to obtain the array subscript of the Jquery object </title>

<Style type = "text/css">

# Main {

Width: 600px;

Border: 1px solid green;

Margin: auto;

Padding: 10px;

}

# Tbl {

Border-collapse: collapse;

Border-top: 1px solid red;

Border-left: 1px solid red;

Margin: auto;

}

# Tbl td {

Width: 60px;

Height: 60px;

Border-collapse: collapse;

Border-bottom: 1px solid red;

Border-right: 1px solid red;

}

</Style>

<Script src = "jquery-1.6.2.min.js" type = "text/javascript"> </script>

<Script type = "text/javascript">

Var oldColor;

$ (Function (){

$ ("# Tbl tr"). hover (

Function (){

OldColor = background (this).css ("backgroundColor ");

((This).css ("backgroundColor", "yellow ");

},

Function (){

((This).css ("backgroundColor", oldColor );

});

$ ("# Tbl tr"). click (function (){

Alert ($ ("# tbl tr"). index ($ (this); // obtain the element subscript

});

});

</Script>

</Head>

<Body>

<Div id = "main">

<Table id = "tbl">

<Tr>

<Td> 1 </td> <td> 1 </td> <td> 1 </td>

</Tr>

<Tr>

<Td class = "tdClass"> 2 </td> <td> 2 </td> <td> 2 </td>

</Tr>

<Tr>

<Td> 3 </td> <td> 3 </td> <td> 3 </td>

</Tr>

<Tr>

<Td> 4 </td> <td> 4 </td> <td class = "tdClass"> 4 </td>

</Tr>

<Tr>

<Td> 5 </td> <td> 5 </td> <td> 5 </td>

</Tr>

<Tr>

<Td> 6 </td> <td> 6 </td> <td class = "tdClass"> 6 </td>

</Tr>

</Table>

</Div>

</Body>

</Html>

I hope this article will help you with jQuery programming.

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