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how to allow input type number to accept alphabet

I want to enter full width number and turn it into half width using jquery but first I need it to accept characters that are not number.
<input id="text1" step="0.5" type="number" value="" name="text1">
I need type number because I want the step feature.

You can't make a type="number" field accept non-numeric characters. If you want to do that, you'll need to use type="text". (If you need the step feature, you'll have to implement it.)

If you want your text filed to accept floating numbers. Use following Input.
<input type="number" step="any" name="text1" value="">

jQuery - jMask money issue

I trying to use JMask for money mask, its work good, but when i click on other input, my field money that was for example "1.234,56" became "123.456" how can i fix it?
My field:
After after put value on other field
Automatically my comma broken
My code:
<label>Custo: </label>
<input type="text" name="" v-model="vehicle.cost" class="form-control money" placeholder="Custo"><br>
Documentation

How To add a min and max length verification to a number field?

I have the code for a number field:
<label for="Phone">Phone Number</label><br/>
<input id="Phone" name="Phone"class="form-control" type="tel" pattern="^\d{3}\d{3}\d{4}$" maxlength="10" minlength="10" required >
However that doesn't limit to only numbers and only one format works i want to do something like:
<input name="Phone" type="number" class="form-control" placeholder="Phone Number" maxlength="10" minlength="10" required="required"/>
and that code does not limit the max and min lengths!
How do i get the lengths to work?

From the mozilla docs:
If the value of the type attribute is text, email, search, password, tel, or url, this attribute specifies the minimum number of characters (in Unicode code points) that the user can enter. For other control types, it is ignored.
That means that this attribute does not work as expected for a number input.
Here's one way you can define your own length-validator (of course you can write your own ;) ):
numberInput.addEventListener('input', function() {
this.value = this.value.substring(0, MAX_LENGTH);
}

What is similar to ng-max for input field of type text in angularJS

I have a decimal number input field on a modal form in which I want make sure the user inputs a value less than another base value in my application like below.
<input name="modalInput" type="text" class="form-control" size="10" ng-model="data.myNumber" required max="data.baseNumber" />
But somehow the ng-max does not seem to trigger this validation and set the input box invalid. What could I be missing?
I would like to keep the type to be text so the up and down arrows are not displayed. And user can enter 4 or 5 digit numbers with decimal places.
Maybe the question should be what else can I use instead of ng-max that the value is validated against the base number.
Sample plunker
http://plnkr.co/edit/9SAgqkjOlqUEHXhcyaqB?p=preview

Try changing the input type to number instead of text.

The max and min attributes works with the following input types: number, range, date, datetime, datetime-local, month, time and week.
<input name="mainInput" type="number" size="10" ng-model="data.baseNumber" ng-max="3" required/>
To see the style changes add CSS rule
.ng-invalid{
border: 1px solid red;
}
Plunnkr

Your program has one error also with that.
TypeError: Cannot read property '$valid' of undefined
match the name of the form, you did mismach as numberForm, modalForm
Aslo make the field as number as type

Should be
<input name="modalInput" type="number" class="form-control" size="10" ng-model="data.myNumber" required max="data.baseNumber" />
If you want to keep type="text" I think you can not use ng-max to validate text type. So you can create an event for the input ng-change="change()"
<input name="modalInput" type="text" class="form-control" size="10" ng-model="data.myNumber" required ng-change="change()" />
The change() function to check max value for you when user enter
$scope.change = function(value) {
if (value> maxValue){// Do something here}
};

Validation to check any email id or 10 digit numbers

I need to validate a text box.user should not enter any mail id and also no numbers lengthier than 10..Please give your suggestions

As everyone else is commenting, please try to do some research before posting your question, as all of the below answers have been taken from this site's previous answers only.
Your query can be divided into two parts -
Email Validations
You can find email validation scripts already answered here and here on StackOverflow.
For PHP server-side validations, taken from here.
function validateEmail($email) {
return (bool) stripos($email,'#');
}
All the above functions will return true if the text entered is an email. So you might probably need to check for a false condition as you do not want email addresses to be entered.
Number Validations
Similarly, the check for numbers not being entered more than 10 characters, you may use:-
Simple
Javascript validation can be found here
However, there are still some unhandled cases in your question - What happens when someone enters normal text but greater than 10 characters? Should this be allowed?
Ideally it should as it is not an email, it is not a number greater than 10 digits?

<label>
Student Mobile no :
</label>
<input type="text" name="country code" value="+91" size="2"/>
<input type="tel" name="phone" size="10"/> <br> <br>
<label>
Guardian Mobile no :
</label>
<input type="text" name="country code" value="+91" size="2"/>
<input type="tel" name="phone" size="10"/> <br> <br>
<label for="email">Email :</label>
<input type="email" placeholder="Enter Email" name="email" required>
Just use either maxlength for text type input attribute inside the input tag of HTML forms or use size attribute for phone type input attribute the same.
For the email validation use type = "number" attribute in the input tag of HTML forms.
Please refer to the code above.