Input type “number” won't resize

Question

Why won\'t my input resize when I change the type to type=\"number\" but it works with type=\"text\"?

EXAMPLE

    Email: &l         


        

Answer 1

change type="number" to type="tel"

Answer 2

What you want is maxlength.

Valid for text, search, url, tel, email, and password, it defines the maximum number of characters (as UTF-16 code units) the user can enter into the field. This must be an integer value 0 or higher. If no maxlength is specified, or an invalid value is specified, the field has no maximum length. This value must also be greater than or equal to the value of minlength.

You might consider using one of these input types.

Answer 3

Seem like the input type number does not support size attribute or it's not compatible along browsers, you can set it through CSS instead:

input[type=number]{
    width: 80px;
} 

Updated Fiddle

Answer 4

Rather than set the length, set the max and min values for the number input.

The input box then resizes to fit the longest valid value.

If you want to allow a 3-digit number then set 999 as the max

 <input type="number" name="quantity" min="0" max="999">

Answer 5

For <input type=number>, by the HTML5 CR, the size attribute is not allowed. However, in Obsolete features it says: “Authors should not, but may despite requirements to the contrary elsewhere in this specification, specify the maxlength and size attributes on input elements whose type attributes are in the Number state. One valid reason for using these attributes regardless is to help legacy user agents that do not support input elements with type="number" to still render the text field with a useful width.”

Thus, the size attribute can be used, but it only affects older browsers that do not support type=number, so that the element falls back to a simple text control, <input type=text>.

The rationale behind this is that the browser is expected to provide a user interface that takes the other attributes into account, for good usability. As the implementations may vary, any size imposed by an author might mess things up. (This also applies to setting the width of the control in CSS.)

The conclusion is that you should use <input type=number> in a more or less fluid setup that does not make any assumptions about the dimensions of the element.

Answer 6

Use an on onkeypress event. Example for a zip code box. It allows a maximum of 5 characters, and checks to make sure input is only numbers.

Nothing beats a server side validation of course, but this is a nifty way to go.

function validInput(e) {
  e = (e) ? e : window.event;
  a = document.getElementById('zip-code');
  cPress = (e.which) ? e.which : e.keyCode;

  if (cPress > 31 && (cPress < 48 || cPress > 57)) {
    return false;
  } else if (a.value.length >= 5) {
    return false;
  }

  return true;
}

#zip-code {
  overflow: hidden;
  width: 60px;
}

<label for="zip-code">Zip Code:</label>
<input type="number" id="zip-code" name="zip-code" onkeypress="return validInput(event);" required="required">