HTML Input Types & Attributes

 

Here in HTML Forms , you can find the HTML Input Element Types

HTML Input Types

Here are the different input types you can use in HTML:

  • <input type="button">
  • <input type="checkbox">
  • <input type="color">
  • <input type="date">
  • <input type="datetime-local">
  • <input type="email">
  • <input type="file">
  • <input type="hidden">
  • <input type="image">
  • <input type="month">
  • <input type="number">
  • <input type="password">
  • <input type="radio">
  • <input type="range">
  • <input type="reset">
  • <input type="search">
  • <input type="submit">
  • <input type="tel">
  • <input type="text">
  • <input type="time">
  • <input type="url">
  • <input type="week">


HTML Input Attributes

This chapter describes the different attributes for the HTML <input> element., these input attributes are one of the element in HTML Forms

The placeholder Attribute

The input placeholder attribute specifies a short hint that describes the expected value of an input field (a sample value or a short description of the expected format).

The short hint is displayed in the input field before the user enters a value.

The placeholder attribute works with the following input types: text, search, url, tel, email, and password.

 <label for="phone">Enter a phone number:</label>
  <input type="tel" id="phone" name="phone"
  placeholder="123-45-678"
  pattern="[0-9]{3}-[0-9]{2}-[0-9]{3}"
>


The required Attribute

The input required attribute specifies that an input field must be filled out before submitting the form.

The required attribute works with the following input types: text, search, url, tel, email, password, date pickers, number, checkbox, radio, and file.


The readonly Attribute

The input readonly attribute specifies that an input field is read-only.

A read-only input field cannot be modified (however, a user can tab to it, highlight it, and copy the text from it).

The value of a read-only input field will be sent when submitting the form!

<label for="fname">First name:</label><br>
<input type="text" id="fname" name="fname" value="John" readonly><br>
<label for="lname">Last name:</label><br>
<input type="text" id="lname" name="lname" value="Doe">

The disabled Attribute

The input disabled attribute specifies that an input field should be disabled.

A disabled input field is unusable and un-clickable.

The value of a disabled input field will not be sent when submitting the form!

<label for="fname">First name:</label><br>
<input type="text" id="fname" name="fname" value="John" disabled><br>
<label for="lname">Last name:</label><br>
<input type="text" id="lname" name="lname" value="Doe">

The size Attribute

The input size attribute specifies the visible width, in characters, of an input field.

The default value for size is 20.

Note: The size attribute works with the following input types: text, search, tel, url, email, and password.
<label for="fname">First name:</label><br>
  <input type="text" id="fname" name="fname" size="50"><br>
  <label for="pin">PIN:</label><br>
  <input type="text" id="pin" name="pin" size="4">


The value Attribute

The input value attribute specifies an initial value for an input field:
<label for="fname">First name:</label><br>
<input type="text" id="fname" name="fname" value="John"><br>
<label for="lname">Last name:</label><br>
<input type="text" id="lname" name="lname" value="Doe">


The maxlength Attribute

The input maxlength attribute specifies the maximum number of characters allowed in an input field.

Note: When a maxlength is set, the input field will not accept more than the specified number of characters. However, this attribute does not provide any feedback. So, if you want to alert the user, you must write JavaScript code.

<label for="fname">First name:</label><br>
  <input type="text" id="fname" name="fname" size="50"><br>
  <label for="pin">PIN:</label><br>
  <input type="text" id="pin" name="pin" maxlength="4" size="4">

The min and max Attributes

The input min and max attributes specify the minimum and maximum values for an input field.

The min and max attributes work with the following input types: number, range, date, datetime-local, month, time and week.

Tip: Use the max and min attributes together to create a range of legal values.

<label for="datemax">Enter a date before 1980-01-01:</label>
  <input type="date" id="datemax" name="datemax" max="1979-12-31"><br><br>

  <label for="datemin">Enter a date after 2000-01-01:</label>
  <input type="date" id="datemin" name="datemin" min="2000-01-02"><br><br>

  <label for="quantity">Quantity (between 1 and 5):</label>
  <input type="number" id="quantity" name="quantity" min="1" max="5">

The datalist Attribute

The input list attribute refers to a <datalist> element that contains pre-defined options for an <input> element.

 <input list="browsers">
  <datalist id="browsers">
    <option value="Internet Explorer">
    <option value="Firefox">
    <option value="Chrome">
    <option value="Opera">
    <option value="Safari">
  </datalist>