14 replies to this topic

[MastersRoX]

ae galera!

como faço p validar uma caixa de seleçao do tipo:


<input name="aceita" type="checkbox" id="aceita" value="checkbox">

ja tentei varios codes.. nao achei nd aki no forum.

vlw !

[bimonti]

Como assim validar ?

[MastersRoX]

se ta selecionada ou nao..

se o cara clicar no botao submit .. e n tiver selecionada... da um alerta.. .se tiver selecionada... vai pro action do form.

[bimonti]

to meio apurado aqui, confira no developer.mozilla.org, em DOM:

(document.forms[nome_do_form].elements[nome_do_elemento].checked == true) ? alert("S") : alert("N");

[MastersRoX]

tentei assim:

<script language="javascript">

  function testa_check (qual) {

	var mensagem = (document.form1[[b]form1[/b]].elements[[b]checar[/b]].checked.checked == true) ? alert("S") : alert("N");

  }

</script>

<form name="form1" method="post" action="index.php?i=2">
<input name="checar" type="checkbox">
<input name="Submit3" onclick="testa_check();" type="submit" class="campos" value="Continuar">
</form>

mas n funfo... fico com erro na pagina..

[palhadecoco]

veja ai meu rei:

<script language="javascript">

  function testa_check () {

	if(form1.checar.checked == false){ alert("N");}else{form1.submit();}
	
}

</script>

<form name="form1" method="post" action="index.php?i=2">

<input name="checar" type="checkbox" value="ON" >

<input name="Submit3" onclick="testa_check();" type="button" class="campos" value="Continuar">

</form>

[bimonti]

É bem por aí mesmo:

<script>
var checa = {
	formulario : function(){
		if(document.forms["form"].elements["op"].checked == true){
			return true;
		}else{
			return false;
		}
	}
}
</script>

<form action="pagina.htm" method="post" name="form" onsubmit="return checa.formulario();">
	<input type="checkbox" value="valor" name="op" />Ativar<br />
	<input type="submit" value="Enviar" />
</form>

Só precisa fazer o formulário parar a execução se não for checado, então acho melhor usar no onsubmit.

[MastersRoX]

vlw bimont... .fucionou!

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