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HTML Form

An HTML form is a section of a document which contains controls such as text fields, password fields, checkboxes, radio buttons, submit button, menus etc.

An HTML form facilitates the user to enter data that is to be sent to the server for processing such as name, email address, password, phone number, etc. .


Why use HTML Form

HTML forms are required if you want to collect some data from of the site visitor.

For example: If a user want to purchase some items on internet, he/she must fill the form such as shipping address and credit/debit card details so that item can be sent to the given address.


HTML Form Syntax


HTML Form Tags

Let’s see the list of HTML 5 form tags.

Tag Description
<form> It defines an HTML form to enter inputs by the used side.
<input> It defines an input control.
<textarea> It defines a multi-line input control.
<label> It defines a label for an input element.
<fieldset> It groups the related element in a form.
<legend> It defines a caption for a <fieldset> element.
<select> It defines a drop-down list.
<optgroup> It defines a group of related options in a drop-down list.
<option> It defines an option in a drop-down list.
<button> It defines a clickable button.

HTML 5 Form Tags

Let’s see the list of HTML 5 form tags.

Tag Description
<datalist> It specifies a list of pre-defined options for input control.
<keygen> It defines a key-pair generator field for forms.
<output> It defines the result of a calculation.

HTML <form> element

The HTML <form> element provide a document section to take input from user. It provides various interactive controls for submitting information to web server such as text field, text area, password field, etc.

Note: The <form> element does not itself create a form but it is container to contain all required form elements, such as <input>, <label>, etc.

Syntax:


HTML <input> element

The HTML <input> element is fundamental form element. It is used to create form fields, to take input from user. We can apply different input filed to gather different information form user. Following is the example to show the simple text input.

Example:

Output:

HTML Form


HTML TextField Control

The type=”text” attribute of input tag creates textfield control also known as single line textfield control. The name attribute is optional, but it is required for the server side component such as JSP, ASP, PHP etc.

Output:

HTML TextField Control

Note: If you will omit ‘name’ attribute then the text filed input will not be submitted to server.


HTML <textarea> tag in form

The <textarea> tag in HTML is used to insert multiple-line text in a form. The size of <textarea> can be specify either using “rows” or “cols” attribute or by CSS.

Example:

Output:

HTML textarea tag in form


Label Tag in Form

It is considered better to have label in form. As it makes the code parser/browser/user friendly.

If you click on the label tag, it will focus on the text control. To do so, you need to have for attribute in label tag that must be same as id attribute of input tag.

NOTE: It is good to use <label> tag with form, although it is optional but if you will use it, then it will provide a focus when you tap or click on label tag. It is more worthy with touchscreens.

Output:

HTML Label Tag in Form


HTML Password Field Control

The password is not visible to the user in password field control.

Output:

HTML Password Field Control


HTML 5 Email Field Control

The email field in new in HTML 5. It validates the text for correct email address. You must use @ and . in this field.

It will display in browser like below:

HTML 5 Email Field Control

Note: If we will not enter the correct email, it will display error like:

HTML 5 Email Field Control


Radio Button Control

The radio button is used to select one option from multiple options. It is used for selection of gender, quiz questions etc.

If you use one name for all the radio buttons, only one radio button can be selected at a time.

Using radio buttons for multiple options, you can only choose a single option at a time.

Radio Button Control


Checkbox Control

The checkbox control is used to check multiple options from given checkboxes.

Note: These are similar to radio button except it can choose multiple options at a time and radio button can select one button at a time, and its display.

Output:

Checkbox Control


Submit button control

HTML <input type=”submit”> are used to add a submit button on web page. When user clicks on submit button, then form get submit to the server.

Syntax:

The type = submit , specifying that it is a submit button

The value attribute can be anything which we write on button on web page.

The name attribute can be omit here.

Example:

Output:

Submit button control


HTML <fieldset> element:

The <fieldset> element in HTML is used to group the related information of a form. This element is used with <legend> element which provide caption for the grouped elements.

Example:

Output:

HTML fieldset element


HTML Form Example

Following is the example for a simple form of registration.

Test it Now

Output:

HTML Form Example


HTML Form Example

Let’s see a simple example of creating HTML form.

Test it Now


Supporting Browsers

Element chrome browser Chrome ie browser IE firefox browser Firefox opera browser Opera safari browser Safari
<form> Yes Yes Yes Yes Yes
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