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Dynamically create tables and delete Columns

Source: Internet
Author: User
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Java code

<! 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> untitled document </title>

<Link rel = "stylesheet" href = "tab.css"/>

<Script type = "text/javascript" src = "../Day26/doctool. js"> </script>

<Script type = "text/javascript">

Function createTab1 ()

{

Var tabNode = doc. createElement ("table ");

Var tbdNode = doc. createElement ("tbody ");

Var trNode = doc. createElement ("tr ");

Var tdNode = doc. createElement ("td ");

Var textNode = doc. createTextNode ("unit 1 ");

TdNode. appendChild (textNode );

TrNode. appendChild (tdNode );

TbdNode. appendChild (trNode );

TabNode. appendChild (tbdNode );

ByTag ("div") [0]. appendChild (tabNode );

}

 

Function createTab ()

{

Var tabNode = doc. createElement ("table ");

// TabNode. id = "tabid ";

TabNode. setAttribute ("id", "tabid ");

Var row = byName ("rownum") [0]. value;

Var col = byName ("colnum") [0]. value;

For (var x = 1; x <= row; x ++)

{

Var trNode = tabNode. insertRow ();

For (var y = 1; y <= col; y ++)

{

Var tdNode = trNode. insertCell ();

TdNode. innerHTML = x + "..." + y;

}

}

ByTag ("div") [0]. appendChild (tabNode );

Event. srcElement. disabled = true;

}

 

Function delRow ()

{

Var tabNode = byId ("tabid ");

If (tabNode = null)

{

Alert ("table does not exist ");

Return;

}

Var rownum = byName ("delrow") [0]. value;

If (rownum> 0 & rownum <= tabNode. rows. length)

TabNode. deleteRow (rownum-1 );

Else

{

Alert ("the row to be deleted does not exist, learning count is very important ");

}

}

 

Function delCol ()

{

Var tabNode = byId ("tabid ");

If (tabNode = null)

{

Alert ("table does not exist ");

Return;

}

Var colnum = byName ("delcol") [0]. value;

If (colnum> 0 & colnum <= tabNode. rows [0]. cells. length)

{

For (var x = 0; x <tabNode. rows. length; x ++)

{

TabNode. rows [x]. deleteCell (colnum-1 );

}

}

Else

{

Alert ("the deleted column does not exist ");

}

}

 

</Script>

 

</Head>

 

 

<Body>

<! --

You can use the buttons on the page to dynamically create a table.

-->

Row: <input type = "text" name = "rownum"/> <br/>

Column: <input type = "text" name = "colnum"/> <br/>

 

<Input type = "button" value = "create table" onclick = "createTab ()"/> <br/>

 

<Input type = "text" name = "delrow"/>

<Input type = "button" value = "Delete row" onclick = "delRow ()"/>

<Br/>

<Input type = "text" name = "delcol"/>

<Input type = "button" value = "delete column" onclick = "delCol ()"/>

<Br/>

<Br/>

 

<Div>

</Div>

</Body>

</Html>

This article is an English version of an article which is originally in the Chinese language on aliyun.com and is provided for information purposes only. This website makes no representation or warranty of any kind, either expressed or implied, as to the accuracy, completeness ownership or reliability of the article or any translations thereof. If you have any concerns or complaints relating to the article, please send an email, providing a detailed description of the concern or complaint, to info-contact@alibabacloud.com. A staff member will contact you within 5 working days. Once verified, infringing content will be removed immediately.

Related Keywords:
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