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Dynamically add changes to delete HTML table contents

Source: Internet
Author: User
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1. Need to add changes to the checkout register Gu Xian can see the changes in real-time when the item is deleted 2. Resolve the cashier and Gu Xian data communication over TCP transmission, Gu Xian add changes and deletions by manipulating the tables in the HTML 3. Code mytest.html 
<html><head><meta http-equiv="Content-type" Content="text/html; Charset=utf-8 "><title>Dynamic Table</title><script type="text/javascript" src="Js/dynamic_table.js"> </script></head><body><table><tr><th>Name</th><th>Color</th><th>Size</th><th>Unit Price</th><th>Discount</th><th>Number</th><th>Amount</th></tr><tbody id="goods"></tbody><tr><TD><input type="button" value="Add" onClick="AddRow (' Colorful 1234 ', ' red ', ' XL ', ' 1000.00 ', ' 1.00 ', ' 1 ', ' 1000.00 ') '/></td><TD><input type="button" value="del" OnClick ="Removerow (' goods ', ' 0 ')"/></td><TD><input type="button" value="Modify" onClick=" Modifyrow (' goods ', ' 0 ', ' 0 ', ' Zhangxiaobao ') ' /></td><TD><input type="button" value="Clear" OnClick ="clearrows (' goods ')"/></td></tr></table></body></html>
Dynamic_table.js 
Onerror=handleerrvartxt="" function handleerr(msg,url,l){txt="There are errors on this page. \ n "txt+="Error:"+ msg +"\ n"txt+="URL:"+ URL +"\ n"txt+="line:"+ L +"\ n"txt+="click" OK "to continue. \ n "Alert (TXT)return true} function addRow(name, color, size, unit, discount, count, sum){    varBodyobj=document.getelementbyid ("Goods");if(bodyobj==NULL) {alert ("Body of Table not exist!");return; }varRowCount = BodyObj.rows.length;//var cellcount = myarray.length;    varNewRow = Bodyobj.insertrow (rowcount++); Newrow.insertcell (0). Innerhtml=name; Newrow.insertcell (1). Innerhtml=color; Newrow.insertcell (2). Innerhtml=size; Newrow.insertcell (3). Innerhtml=unit; Newrow.insertcell (4). Innerhtml=discount; Newrow.insertcell (5). Innerhtml=count; Newrow.insertcell (6). Innerhtml=sum;} function removerow(Tbodyid, Row){    varBodyobj=document.getelementbyid (Tbodyid);if(bodyobj==NULL) {alert ("Body of Table not exist!");return; }varNrow = Number(row);if(Nrow <= bodyObj.rows.length) bodyobj.deleterow (nrow);ElseAlert"Nrow is less.");} function modifyrow(Tbodyid, Row, col, NewValue){    varNrow = Number(row);varNcol = Number(COL);varBodyobj=document.getelementbyid (Tbodyid);if(bodyobj==NULL) {alert ("Body of Table not exist!");return; }Try{//var tableobj = Bodyobj.parentnode;        if(Nrow < BodyObj.rows.length && Ncol < Bodyobj.getelementsbytagname (' TR ') [Nrow].getelementsbytagname (' TD '). Length) {//This under IE can not under the Google            //bodyobj.rows (nrow). Cells (ncol). InnerHTML = newvalue;            //bodyobj.rows[nrow].childnodes[ncol].innerhtml = newvalue;            //This can be under IE and Googledocument.getElementById (Tbodyid). getElementsByTagName (' TR ') [Nrow].getelementsbytagname (' TD ') [ncol].innerhtml = newvalue; }ElseAlert"empty."); }Catch(ERR)    {alert (Err.Description); }} function clearrows(Tbodyid){    varBodyobj=document.getelementbyid (Tbodyid);if(bodyobj==NULL) {alert ("Body of Table not exist!");return; } for(vari =0; i < bodyObj.rows.length; ) Bodyobj.deleterow (i);}
Perform normal under Win7 Ie10 and Google 4. Note 1. It is best not to use the Notepad that comes with Windows. There will be coding problems, the recommended use of notepad++, encoded as UTF8 no bom2. Some JS functions are available under IE. Google is not available, this code is generic

Dynamically add changes to delete HTML table contents

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