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Asked: 2026-05-15T13:32:51+00:00

Comarades, I tried using the append and prepend (), but none of the controls

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Comarades,

I tried using the append and prepend (), but none of the controls work. Could anyone help me? In Internet Explorer and Firefox works.

The 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=iso-8859-1" />
<title>Untitled Document</title></head>

 <script type="text/javascript" src="raphael-min.js"></script>
 <script type="text/javascript" src="jquery-1.4.2.js"></script>
 <script type="text/javascript">

 selEstrutura = function(strComponent, strDestino)
 {
var objDest = $('#' + strDestino);
var objComp = $('#' + strComponent);
if ((objComp != null) && (objDest != null))
{
    $('#' + strDestino + ' img').remove();
    objDest.append('<img id="' + strDestino + '" src="' + objComp.val() + '"');
    if ((strDestino.trim() == 'eixoTracionado1') || (strDestino.trim() == 'eixoTracionado2'))
    {
        $('#eixoEstruturaPt1 img').remove();
        $('#eixoEstruturaPt1').append('<img id="eixoEstruturaPt1" src="estrutura_semrodas.gif"');

        $('#eixoEstruturaPt2 img').remove();
        $('#eixoEstruturaPt2').append('<img id="eixoEstruturaPt2" src="estrutura_semrodas.gif"');
    }
}
 }

</script>

<body>
<div align="left" style="width:20%;float:left;height:300px;border:groove;border-color:#000000;margin-left:0px;">
    <div align="right" style="float:left;width:30%">Tração:&nbsp;</div>
    <div style="float:right;width:70%">
        <select id="cboTracao" onchange="selEstrutura('cboTracao','eixoTrator');">
            <option value="">&nbsp;</option>
            <option value="eixotrator_rodaunica.gif">Única</option>
            <option value="eixotrator_rodasimples.gif">Simples</option>
            <option value="eixotrator_rodadupla.gif">Dupla</option>
        </select>
    </div>
    <div align="right" style="float:left;width:30%">Tracionado(1):&nbsp;</div>
    <div style="float:right;width:70%">
        <select id="cboTracionado1" onchange="selEstrutura('cboTracionado1','eixoTracionado1');">
            <option value="">&nbsp;</option>
            <option value="eixotracionado_rodadosimples.gif">Simples</option>
            <option value="eixotracionado_rodadoduplo.gif">Duplo</option>
        </select>
    </div>
    <div align="right" style="float:left;width:30%">Tracionado(2):&nbsp;</div>
    <div style="float:right;width:70%">
        <select id="cboTracionado2" onchange="selEstrutura('cboTracionado2','eixoTracionado2');">
            <option value="">&nbsp;</option>
            <option value="eixotracionado_rodadosimples.gif">Simples</option>
            <option value="eixotracionado_rodadoduplo.gif">Duplo</option>
        </select>
    </div>
    <div align="right" style="float:left;width:30%">Qtd Estepes:&nbsp;</div>
    <div style="float:right;width:70%">
        <select id="cboEstepes" onchange="selEstrutura('cboEstepes','eixoEstepes');">
            <option value="">&nbsp;</option>
            <option value="estepe_simples.gif">01</option>
            <option value="estepe_duplo.gif">02</option>
            <option value="estepe_triplo.gif">03</option>
        </select>
    </div>
</div>

<div id="prompt" align="center" style="width:79%;float:right;border:groove;border-color:#000000;height:300px">
    <div style="margin-left:30%">
        <div id="eixoEstepes" style="float:left;margin-left:10px"></div>
        <div style="width:20%;float:left"></div>
        <div id="eixoTrator" style="float:left"></div>
        <div id="eixoEstruturaPt1" style="float:left"></div>
        <div id="eixoEstruturaPt2" style="float:left"></div>
        <div id="eixoTracionado1" style="float:left"></div>
        <div id="eixoTracionado2" style="float:left"></div>
    </div>
</div>
 </body>
 </html>

Sugestions (Modified)

Performing some suggested changes, still not working.

<script type="text/javascript">

selEstrutura = function(strComponent, strDestino)
{
var objDest = $('#' + strDestino);
var objComp = $('#' + strComponent);
if ((objComp != null) && (objDest != null))
{
    $('#' + strDestino + ' img').remove();
    objDest.append('<img id="' + strDestino + '_img" src="' + objComp.val() + '"');
    if ((strDestino.trim() == 'eixoTracionado1') || (strDestino.trim() == 'eixoTracionado2'))
    {
        $('#eixoEstruturaPt1 img').remove();
        $('#eixoEstruturaPt1').append('<img id="eixoImgEstruturaPt1" src="estrutura_semrodas.gif"');

        $('#eixoEstruturaPt2 img').remove();
        $('#eixoEstruturaPt2').append('<img id="eixoImgEstruturaPt2" src="estrutura_semrodas.gif"');
    }
}
} 

</script>
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1 Answer

  1. Editorial Team

    Source Working in: Opera, Safari, Chrome, IE, Mozilla.

    selEstrutura = function(strComponent, strDestino)
{
$('#' + strDestino + ' img').remove();
$('#' + strDestino).append('<img id="' + strDestino + '_img" src="' + $('#' + strComponent).val() + '">');
if ((strDestino == 'eixoTracionado1') || (strDestino == 'eixoTracionado2'))
{
    $('#eixoEstruturaPt1 img').remove();
    $('#eixoEstruturaPt1').append('<img src="estrutura_semrodas.gif" alt=""/>');

    $('#eixoEstruturaPt2 img').remove();
    $('#eixoEstruturaPt2').append('<img src="estrutura_semrodas.gif" alt=""/>');
}
}

    I made the changes suggested by friends, but in some browsers was not working. After some testing, I discovered that the method “. Trim ()” was not working properly.

    Thanks for the help of all.

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