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How to sort tables using javascript

Source: Internet
Author: User
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How to sort tables using javascript

This example describes how to sort tables in javascript. 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> table sorting </title>

<Style type = "text/css">

Body

{

Margin: 0;

Padding: 0;

Font-size: 14px;

}

Table, td, th

{

Border: 1px solid red;

}

Th

{

Width: 100px;

Background: pink;

}

Table

{

Margin: 0 auto;

}

A

{

Text-decoration: none;

}

</Style>

<Script type = "text/javascript">

Function sortAge (){

// Obtain the table object

Var tblObj = document. getElementById ("tblData ");

// Store the row node set in a temporary array,

// Note that reference is stored in the table row Node object set.

// You do not need to delete row nodes when adding sorted data back to the table.

Var rowNodes = tblObj. rows;

Var arrTemp = new Array ();

For (var I = 1; I <rowNodes. length; I ++ ){

ArrTemp [I-1] = rowNodes [I];

}

Var sortFlag = tblObj. rows [0]. cells [1]. innerText;

SortFlag = sortFlag. charAt (sortFlag. length-1 );

// Obtain the last character (ascending and descending)

If (sortFlag = "latency "){

TblObj. rows [0]. cells [1]. innerHTML = "<a href = 'javascript: void (0) 'onclick = 'sortage () '> age groups </a> ";

For (var I = 0; I <arrTemp. length; I ++ ){

For (var j = I + 1; j <arrTemp. length; j ++ ){

If (parseInt (arrTemp [j]. cells [1]. innerText) <parseInt (arrTemp [I]. cells [1]. innerText )){

Var temp = arrTemp [I];

ArrTemp [I] = arrTemp [j];

ArrTemp [j] = temp;

}

}

}

}

Else {

TblObj. rows [0]. cells [1]. innerHTML = "<a href = 'javascript: void (0) 'onclick = 'sortage () '> age groups </a> ";

For (var I = 0; I <arrTemp. length; I ++ ){

For (var j = I + 1; j <arrTemp. length; j ++ ){

If (parseInt (arrTemp [j]. cells [1]. innerText)> parseInt (arrTemp [I]. cells [1]. innerText )){

Var temp = arrTemp [I];

ArrTemp [I] = arrTemp [j];

ArrTemp [j] = temp;

}

}

}

}

// Add the sorted data back to the table,

// Note that the original row does not need to be deleted because it stores references.

Var TBodyObj = tblObj. childNodes [0];

For (var I = 0; I <arrTemp. length; I ++ ){

TBodyObj. appendChild (arrTemp [I]);

}

}

</Script>

</Head>

<Body>

<Table id = "tblData" cellspacing = "0px" cellpadding = "5px">

<Tr>

<Th> name </th>

<Th> <a href = "javascript: void (0)" onclick = "sortAge ()"> age groups </a> </th>

<Th> city </th>

</Tr>

<Tr>

<Td> JOHN </td>

<Td> 25 </td>

<Td> Beijing </td>

</Tr>

<Tr>

<Td> Li Si </td>

<Td> 30 </td>

<Td> Nanchang </td>

</Tr>

<Tr>

<Td> Wang Wu </td>

<Td> 21 </td>

<Td> Zhengzhou </td>

</Tr>

<Tr>

<Td> Li Mo </td>

<Td> 35 </td>

<Td> Tianjin </td>

</Tr>

<Tr>

<Td> Xiao LI </td>

<Td> 19 </td>

<Td> Shenzhen </td>

</Tr>

<Tr>

<Td> Luo Cheng </td>

<Td> 23 </td>

<Td> Shanghai </td>

</Tr>

</Table>

</Body>

</Html>

I hope this article will help you design javascript programs.

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