I have the following code:
$(document).ready
(
function ()
{
$.validator.addMethod(
"lessThan",
function (value, element, param)
{
// bind to the blur event of the target in order to revalidate whenever the target field is updated
var target = $(param)
.unbind(".validate-lessThan")
.bind
(
"blur.validate-lessThan",
function ()
{
$(element).valid();
}
);
return parseFloat(value) <= parseFloat(target.val());
},
"Valoarea trebuie sa fie mai mica sau egala decat valoarea initiala"
);
}
);
$('#gvListDetaliiElemTranAdaugare input[name$=Valoare]').each
(
function (index, domEle)
{
$(this).rules
(
"add"
, {
required: true,
minlength: 1,
range: [0.1, Number.MAX_VALUE],
lessThan: '#ListaDetaliiElemTranModelAdaugare_' + index + '__ValoareRamasa',
messages:
{
required: "Valoarea este necesara!",
minlength: "Valoarea este necesara!",
range: "Valoarea este necesara!",
lessThan: "Valoarea trebuie sa fie mai mica sau egala cu " + $('#ListaDetaliiElemTranModelAdaugare_' + index + '__ValoareRamasa').val()
}
}
);
}
);
The code fails then it reeaches $(this).rules() with: Uncaught TypeError: Cannot read property 'nodeName' of null
.
the html returned by $('#gvListDetaliiElemTranAdaugare input[name$=Valoare]')
is:
[
<input data-type=?"decimal" id=?"ListaDetaliiElemTranModelAdaugare_0__Valoare" name=?"ListaDetaliiElemTranModelAdaugare[0]?.Valoare" onchange=?"OnValoareChange($(this)?.val()?, 18590 , 0)?" type=?"text" value=?"0.00000000000">?
,
<input data-type=?"decimal" id=?"ListaDetaliiElemTranModelAdaugare_1__Valoare" name=?"ListaDetaliiElemTranModelAdaugare[1]?.Valoare" onchange=?"OnValoareChange($(this)?.val()?, 22972 , 1)?" type=?"text" value=?"0.00000000000">?
,
<input data-type=?"decimal" id=?"ListaDetaliiElemTranModelAdaugare_2__Valoare" name=?"ListaDetaliiElemTranModelAdaugare[2]?.Valoare" onchange=?"OnValoareChange($(this)?.val()?, 23036 , 2)?" type=?"text" value=?"0.00000000000">?
,
<input data-type=?"decimal" id=?"ListaDetaliiElemTranModelAdaugare_3__Valoare" name=?"ListaDetaliiElemTranModelAdaugare[3]?.Valoare" onchange=?"OnValoareChange($(this)?.val()?, 23038 , 3)?" type=?"text" value=?"0.00000000000">?
,
<input data-type=?"decimal" id=?"ListaDetaliiElemTranModelAdaugare_4__Valoare" name=?"ListaDetaliiElemTranModelAdaugare[4]?.Valoare" onchange=?"OnValoareChange($(this)?.val()?, 425306 , 4)?" type=?"text" value=?"0.00000000000">?
,
<input data-type=?"decimal" id=?"ListaDetaliiElemTranModelAdaugare_5__Valoare" name=?"ListaDetaliiElemTranModelAdaugare[5]?.Valoare" onchange=?"OnValoareChange($(this)?.val()?, 425308 , 5)?" type=?"text" value=?"0.00000000000">?
,
<input data-type=?"decimal" id=?"ListaDetaliiElemTranModelAdaugare_6__Valoare" name=?"ListaDetaliiElemTranModelAdaugare[6]?.Valoare" onchange=?"OnValoareChange($(this)?.val()?, 425309 , 6)?" type=?"text" value=?"0.00000000000">?
,
<input data-type=?"decimal" id=?"ListaDetaliiElemTranModelAdaugare_7__Valoare" name=?"ListaDetaliiElemTranModelAdaugare[7]?.Valoare" onchange=?"OnValoareChange($(this)?.val()?, 425310 , 7)?" type=?"text" value=?"0.00000000000">?
]
This question is related to
validation
jquery-validate
The problem happened because I was trying to bind a HTML element before it was created.
My script was loaded on top of the HTML and it needs to be loaded at the bottom of my HTML code.
I ran into this issue when the number of <th>
tags in the '' did not match the number of in the <tfoot>
section
<thead>
<tr>
<th></th>
<th>Subject Areas</th>
<th></th>
<th>Option(s)</th>
<tr>
</thead>
<tbody></tbody>
<tfoot>
<tr>
<th></th>
<th></th>
<th></th>
<th></th>
</tr>
</tfoot>
I found this answer when I was getting a similar error for nodeName
after upgrading to Bootstrap 4. The issue was that the tabs didn't have the nav
and nav-tab
classes; adding those to the <ul>
element fixed the issue.
I had this problem in a Backbone project: my view contains a input and is re-rendered. Here is what happens (example for a checkbox):
The solution is to update the input rather than re-render it completely. Here is an idea of the implementation:
var MyView = Backbone.View.extend({
render: function(){
if(this.rendered){
this.update();
return;
}
this.rendered = true;
this.$el.html(tpl(this.model.toJSON()));
return this;
},
update: function(){
this.$el.find('input[type="checkbox"]').prop('checked', this.model.get('checked'));
return this;
}
});
This way you don't have to change any existing code calling render(), simply make sure update() keeps your HTML in sync and you're good to go.
I had this problem and it was because the panel was outside of the [data-role="page"] element.
Extract from the oficial docs:
Requires that the parent form is validated, that is, $( "form" ).validate() is called first
more about... rules
Source: Stackoverflow.com