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Select box Move Right-html

Source: Internet
Author: User
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<!DOCTYPE HTML><HTML><Head><title>CheckBox Practice</title><Metahttp-equiv= "keywords"content= "Keyword1,keyword2,keyword3"><Metahttp-equiv= "description"content= "This is my page"><Metahttp-equiv= "Content-type"content= "text/html; charset=utf-8"><Scripttype= "Text/javascript">window.onload= function() {        /*about feature implementation 1. How can I move one item on the left to the right?                                    How do I get the selected item in select?                                                                        select.options;----get an array of all the option. Select has a property called Selectindex.                                                                        Gets the index of the selected item.                                                                        var Option=select.options[select.selectindex]----Get the selected item.                                                                         Rightselect.add (option); */        //move one to the right.document.getElementById ("removerightonly"). onclick= function() {            //gets the item selected in the left select.            var Left=document.getElementById (" Left"); //get the Select on the left            varoption=Left.options[left.selectedindex];//get the item selected on the left.document.getElementById (" Right"). Add (option);        }; /*2. How to move the left to the right of all movements.         The options get all, make all of them, use Rightselect.add to add all to the right. */document.getElementById ("Removerightall"). onclick= function() {            //get all the left            var Left=document.getElementById (" Left"); varOps=left.options;//get all the option on the left                        //iterate through each option and add it to the right.             while(Ops.length>0) {document.getElementById (" Right"). Add (ops[0]);    }        }; }</Script></Head><Body>    <TableAlign= ' Center '>        <TR>            <TD><Selectsize= "Ten"ID= "Left">                    <option>Option 1</option>                    <option>Option 2</option>                    <option>Option 3</option>                    <option>Option 4</option>                    <option>Option 5</option>                    <option>Option 6</option>                    <option>Option 7</option>                    <option>Option 8</option>                    <option>Option 9</option>            </Select></TD>            <TD><inputtype= "button"value= "--->"ID= "Removerightonly"><BR>                <inputtype= "button"value= "===>"ID= "Removerightall"><BR>                <inputtype= "button"value= "<---"ID= "Removeleftonly"><BR>                <inputtype= "button"value= "<==="ID= "Removeleftall"><BR>            </TD>            <TD><Selectsize= "Ten"ID= "Right">                    <option>Option 10</option>            </Select></TD>        </TR>    </Table></Body></HTML>

Select box Move Right-html

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