I have to use the directive ng-required, but I cannot hardcode true or false. I need to use it in a variable, but angular does not recognize the "true".
jsFiddle example
<div ng-app ng-init="test=true">
<div>
both have ng-required="true"
<br/>
one as hardcoded string literal, one via a variable
<br/>
Inspect them, one is not required!
</div>
<form name="myForm">
<input type="text" ng-required="{{test}}" />
<input type="text" ng-required="true" />
</form>
</div>
How can I get this working?
<input type="text" ng-required="{{test}}" />
You don't need to interpolate test here. Since you want to evaluate the value of test, just remove the curly braces and it should work.
Just discovered yesterday you can use ng-required in the same pattern as ng-class:
<input type = "text" ng-required = "{true : 'true', false : 'false'}[test]" />
Personally I use ternary operators into these kind of directives, and it works well. For the ng-required :
<input type="text" ng-required="(user.name == '' ? 'true' : 'false')" ng-model="user.nickname"/>
In this example, if the name field of the user is not filled, the nickname field become REQUIRED.
for some reason, both answers does not work, just use
ng-required="expired"
with expired to be a variable.
Related
I have defined an input feild as
<form name="signUpForm">
<input type="text" name="username" ng-minlength="8" ng-maxlength="64" ng-model="user.username" ng-pattern="/((?=.*\d)(?=.*[a-z])(?=.*[A-Z])(?=.*[##$%^]))/">
</form>
And defined user in controller as
$scope.user{};
Now when I bind user.username value in HTML, its preventing it.
<p ng-if="user.username.length > 0">Display True</p>
Even if I simply bind its value in HTML as
{{user.username}}
Its not being displayed.
Now if I remove ng-pattern from input field as :-
<input type="text" ng-minlength="8" ng-maxlength="64" ng-model="user.username">
then only its binding and that too after satisfying ng-minlength="8" condition. Means '12345678' is displayed and '1234567' not.
One more issue is there i.e. if I use ng-pattern then ng-minlength validation is not working.
<p ng-if="signUpForm.username.$error.minlength">Please enter minimum length</p>
You can try setting the form.$setViewValue.length instead of the model's length
for example:
<p ng-if="signUpForm.username.$setViewValue.length > 0">Display True</p>
here's a solution i found:
How do I prevent AngularJS from unbinding a form input's value from its model when it's invalid?
I would like to iterate over an array in AngularJS like this:
var languages = ['en', 'es', 'fr'];
To generate something like this:
<input type="text" ng-model="mymodel.en" placeholder="Name (EN)">
<input type="text" ng-model="mymodel.es" placeholder="Name (ES)">
<input type="text" ng-model="mymodel.fr" placeholder="Name (FR)">
I have tried this:
<div ng-repeat="language in languages">
<input type="text" ng-model="mymodel.{{language}}" placeholder="Name ({{language | uppercase}})">
</div>
But throws an error:
"Syntax Error: Token '{' is an unexpected token at column ..."
How should I perform this loop?
Use mymodel[language] instead of mymodel.{{language}}
<div ng-repeat="language in languages">
<input type="text" ng-model="mymodel[language]" placeholder="Name ({{language | uppercase}})">
</div>
plnkr
See the plnkr, and start typing in any of the input fields to see the model changes.
you cantry something like this,
<input type="text" ng-model="mymodel[language]" ...
You shouldn't use {{}} notation inside ng-model here you can refer to your property in the mymodel object.
But it seems that you are trying to get binding via model somehow for your inputs. It's not gonna work in your case because you need to init mg-model directives.
For catching changed in your model from dynamically generated you need to compile used directives using $compile service.
Here you can check out sample. I googled it but I've solved similar problem in similar way.
Friends, I am new to angularjs please explain why name attribute required for angularjs validation
<form name="lform" novalidate>
<input type="text" name="userName" ng-model="userName" required novalidate/>
<span style="color:red" ng-show="lform.userName.$dirty && lform.userName.$invalid">
<span ng-show="lform.userName.$error.required">Username is required.</span>
</span>
<br/>
</form>
If I remove name="userName" code not working, please explain this.
Update: If I remove "ng-model" it is not working, but I can change "ngmodel='newName'" is working, please explain this reason also.
This is just how HTML form works, name describe the parameter that will be sent to the server.
Angular's approach is to extend HTML and its behaviour, instead of inventing the wheel. Angular encapsulates "form" (see ngForm directive) and extend it. Because name is the unique id of an input in a form, it is also the unique id of the input in ngForm's collection.
ng-model is another directive that bind the value of the input into a variable in the current scope, it doesn't have to hold the same value as name.
Let's take your example and change ng-model:
<form name="lform" novalidate>
<input type="text" name="userName" ng-model="object.name" required novalidate/>
<span style="color:red" ng-show="lform.userName.$dirty && lform.userName.$invalid">
<span ng-show="lform.userName.$error.required">Username is required.</span>
</span>
<br/>
</form>
The validation will work, but the variable that will be updated in your scope is "object.name".
To sum it up, lform.userName holds the metadata and object.name will hold the actual data.
The answer is in your code.
<span ng-show="lform.userName.$error.required">Username is required.</span>
Angular is using the input name to store the error related information.
lform – your form name
username – your input name
I have a very simplified bit of html like so:
<call-panel>
<form name="hotListForm" >
<twilio>
<input type="text" name="phoneOtherText" id="phoneOtherText" class="form-control" required="required" ng-model="phoneNumber" ng-pattern="validation" ng-trim="false"/>
<span class="error" ng-show="hotListForm.phoneOtherText.$error.pattern">Not a valid phone number</span>
</twilio>
</form>
</call-panel>
But this doesn't work. Is there a special way to do this when in a nested directive. I have verified pattern is available.
Screenshot of it definitely being in the form and of form structure:
It is not working probably because you have the id set to "phoneOtherText" as well, try changing the id and try
I am trying to submit the form on only successful validation.
validation is working for required but not working for ng-minlength
form input is invalid but form is still being submitted.
<form name="myForm" ng-submit="count = count + 1" ng-init="count=0" ng-app>
<div class="control-group" ng-class="{error: myForm.mobile.$invalid}">
<label class="control-label" for="mobile">Mobile</label>
<div class="controls">
<input type="text" name="mobile" placeholder="07XXXXXXXXX" ng-model="mobile" ng-minlength="11" required />
<span ng-show="myForm.mobile.$error.required" class="help-inline">Required</span>
<span ng-show="myForm.mobile.$error.minlength" class="help-inline">Mobile number should be minimum 11 character starting from 07</span>
</div>
</div>
<div class="control-group">
<div class="controls">
<input class="btn" type="submit" value ="submit" />
</div>
count: {{count}}<br />
<tt>myForm.$invalid = {{myForm.$invalid}}</tt><br/>
</div>
</form>
http://jsfiddle.net/pMMke/9/
what am I doing wrong.
I don't want to use submit button disable method.
This is what you are doing wrong: you are mixing two concepts, Angular validators and
HTML5 validators.
The required HTML5 validators, for instance, states that:
When present, it specifies that an input field must be filled out before submitting the form.
So, if you try to submit a form that has an input with this attribute, it will show a message explaining this to the user, and it will prevent the form from being sent. This is the behavior you want. Why isn't working for ng-minlength? Because ng-minlength is an Angular validator (you can tell because it begins with ng-), and it doesn't add any special behavior to the form. It simply set the input where it is located to invalid (and hence, the form), and let you decide what to do with it.
You have an option: you can use the pattern HTML5 validator, to specify the field requires at least 11 characters. It would like this:
<input type="text" pattern=".{11,}">
So when you submit a form containing this input, it will no be sent if the user has enter less than 11 characters.
But since we are it, and you are already using the pattern validator, you could use the regular expression in its full potential, and define something like:
<input type="text" pattern="07[0-9]{9}" />
Which will only admit values of 11 characters, that start by "07" and that contains only digits. I have modified your fiddle to show you how it would work: http://jsfiddle.net/helara/w35SQ/
I mistakenly used ngMaxlength="12" ngMinlength="6" instead of ng-minlength="6" ng-maxlength="12", it's working fine now.
Both ng-minlength & mg-maxlength works in AngularJS.
I've tested this in AngularJS version 1.3.
Make sure to use novalidate with <form> to disable browser's native validation.
This should work:
To enter mobile number
ng-show="myForm.mobile.$touched && myForm.mobile.$error.required"
For minimum length
ng-show="myForm.mobile.$touched && myForm.mobile.$error.minlength"
For maximum length
ng-show="myForm.mobile.$touched && myForm.mobile.$error.maxlength"
This work for me guys
<div class="mdl-textfield mdl-js-textfield mdl-textfield--floating-label">
<input ng-minlength="11" class="mdl-textfield__input" type="text" name="cpf" id="cpf" ng-model="avaliacao.cpf" ng-required="true" ng-pattern="/^\d+$/">
<label class="mdl-textfield__label" for="cpf">CPF *</label>
</div>
<p style="color: #d50000;" ng-show="myForm.cpf.$error.required && myForm.cpf.$dirty">Field Required</p>
<p style="color: #d50000;" ng-show="myForm.cpf.$error.pattern">Only numbers</p>
<p style="color: #d50000;" ng-show="myForm.cpf.$error.minlength">Min 11 Chars</p>
I'm facing the same issue, and I think you can only disable the button or ignore the entered value by yourself. You can also check the $valid property in your controller and ignore the value... It is not so nice, but I found no other way.