The Complete Guide to HTML Forms Radio Buttons

In this tutorial i will talk about Radio Buttons in HTML Forms.

Radio buttons are normally presented in radio groups (a collection of radio buttons describing a set of related options). Only one radio button in a group can be selected at the same time.

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The Complete Guide to HTML Forms Radio Buttons

Types, Effects and Attributes

HTML Button Tag – Types, Effects and Attributes

In this article, we are going to learn HTML Button Tags. So let’s start!!!

HTML Button

HTML Button

The

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Hertha  Mayer

Hertha Mayer

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All You Need To Know About HTML Forms

Forms are ways of providing information, and so is an HTML form, but rather on a web page, using a browser. As much as a normal paper form contains fields to fill in your details, and after that, you can submit to someone in charge, so HTML forms also provide inputs fields, which serve as fields that allow you to fill in your data and submit to the server for some processing and back to the person-in-charge (the developer).

The above things are however not new to a web developer, as millions of forms are being filled on websites daily. But whether you are new to the game or a professional. This tutorial tells all that you need to know about HTML Forms, including HTML form action, form methods, HTML form encoding types, and form processing.

Let’s dive into the details!

HTML Form Action

HTML Form actions point to where the form should be submitted. This is done with the action attribute. The value of the action attribute is typically a URL to an external or internal page.

Example

<form action="https://example.com" method="GET"> ... </form>

HTML Form Methods

Form methods tell the browser to send the users’ data, and in other ways tells the server how to process the provided information by your user. This is possible in HTML form by using the method attribute. This attribute can either be "GET" or "POST" depending on the purpose of the form.

The GET Method

The GET method tells the browser to include all the form data in the URL after submitting. Each piece of data appears by sending the URL in the action attribute, followed by ? followed by key=value. This method should be used for processing less-sensitive data, such as name search or getting content per user (/?username=Bob), and should not be used for processing sensitive information such as passwords. We will discuss a method suitable for processing sensitive data in the next section. Let’s use a live example.

Example: GET Method

<form method="GET" action="search.php">  
<input type="search" name="key" /> <input type="submit" value="Search" name="submit" /> </form>   

When this form is submitted, the processed URL will result in something like /search.php?key=hello&submit=Search. You can see that all users’ information is displayed on the URL in the format of key=value. The example stands as a good reason for you to know why it is bad and not advisable to include sensitive information on a GET form. Let’s look into a bad way of using GET method.

Note

The key is the value provided in the attribute of each form field, therefore the name attribute is important in HTML form processing.

Wrong Example: POST Method

Take a look at the example above, so for example, assuming user enters the username ola and password and clicks on login, this will result to a URL: /login.php?username=ola&password=password&submit=Login, revealing sensitive information on the browser’s URL, this can be used by hackers to get vital information, and get access to personal accounts.

#html-fundamentals #html #html5 #tutorial #html-forms #guide-to-html-forms #latest-tech-stories #php

ashika eliza

1625652623

HTML - A Complete Guide to Master the Top Programming Language

In this era of technology, anything digital holds a prime significance in our day-to-day life. Hence, developers have submerged themselves to create a major impact using programming languages.According to Statista, HTML/CSS holds the second position (the first being Javascript), in the list of most widely-used programming languages globally (2020).Interested to learn this language? Then head on to this tutorial and get to know all about HTML! Plus we have added numerous examples such that you can learn better! So happy learning!
html for beginners

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HTML Radio Button - Radio Group and Attributes

HTML Radio button is typically used to select a particular option from a group of related options. To define a radio button, we use the element of HTML. When a particular option is selected using a radio button, the other options are deselected i.e., one can only select a single option at a time. It lets the user select from a set of limited options.

HTML Radio Buttons

Syntax of HTML Radio Button:

Radio buttons belonging to a particular category must have the same name. The value of each radio button is not shown to the user but is sent to the server after its selection by the user. It is a good practice to use a

Defining Radio Group in HTML

We can define a group for radio buttons by giving each radio button the same name. As and when the user selects a particular option from this group, other options are deselected.

Following is an example of radio buttons with different names within a form.

<html>
<head>
  <title>Radio Buttons</title>
</head>
<body>
<form>
  <p>Please select your preferred contact method</p>
  <div>
    <input type="radio" id="contactChoice1"
     name="contact" value="email">
    <label for="Choice1">Email</label>
    <input type="radio" id="contactChoice2"
     name="contact" value="phone">
    <label for="Choice2">Phone</label>
    <input type="radio" id="contactChoice3"
     name="contact" value="mail">
    <label for="Choice3">Mail</label>
  </div>
  <div>
    <button type="submit">Submit</button>
  </div>
</form>
</body>
</html>

Output-

HTML Radio Button

Attributes of HTML Radio Group

NameDescriptiontypeSpecifies the type of input, in this case set as ‘radio’.nameSpecifies the name of the control that is delivered to the server.valueSpecifies the value that will be sent to the server, if the radio button is checked.checkedDefines a by default checked radio button.

We should specify the value attribute so that the information is delivered to the server, on form submission. If the value attribute is not specified, the form data assigns a value ‘on’ to the entire radio group (this isn’t a good practice).

Selecting Radio Button by default

If no radio button is selected by the user, no information of the radio buttons is delivered to the server. Hence, it is recommended to use the ‘checked’ state of the radio button and eliminate inefficiency.

<html>
<head>
  <title>Radio Buttons</title>
</head>
<body>
<form>
  <p>Please select your preferred contact method</p>
  <div>
    <input type="radio" id="contactChoice1"
     name="contact" value="email" checked>
    <label for="Choice1">Email</label>
    <input type="radio" id="contactChoice2"
     name="contact" value="phone">
    <label for="Choice2">Phone</label>
    <input type="radio" id="contactChoice3"
     name="contact" value="mail">
    <label for="Choice3">Mail</label>
  </div>
  <div>
    <button type="submit">Submit</button>
  </div>
</form>
</body>
</html>

Output-

selecting default radio button

If ‘checked’ is put along with every button, the one put later overrides the ones put before it.

CSS and Radio Buttons

We can style radio buttons using CSS3.

<html>
<head>
  <title>Radio Buttons</title>
  <style>
    label {
  margin-right: 15px;
  line-height: 32px;
}
    input {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;

  border-radius: 50%;
  width: 16px;
  height: 16px;

  border: 2px solid #999;
  transition: 0.2s all linear;
  margin-right: 5px;

  position: relative;
  top: 4px;
}
  </style>
</head>
<body>
<form> 
  <p>Please select your preferred contact method:</p>
  <div>
    <input type="radio" id="contactChoice1"
           name="contact" value="email">
    <label for="contactChoice1">Email</label>
    <input type="radio" id="contactChoice2"
           name="contact" value="phone">
    <label for="contactChoice2">Phone</label>
    <input type="radio" id="contactChoice3"
           name="contact" value="mail">
    <label for="contactChoice3">Mail</label>
  </div>
  <div>
    <button type="submit">Submit</button>
  </div>
</form>
<pre id="log">
</pre>
</body>
</html>

#html tutorials #html radio button #javascript and radio buttons

Ava Watson

Ava Watson

1595318322

Know Everything About HTML With HTML Experts

HTML stands for a hypertext markup language. For the designs to be displayed in web browser HTML is the markup language. Technologies like Cascading style sheets (CSS) and scripting languages such as JavaScript assist HTML. With the help of HTML websites and the web, designs are created. Html has a wide range of academic applications. HTML has a series of elements. HTML helps to display web content. Its elements tell the web how to display the contents.

The document component of HTML is known as an HTML element. HTML element helps in displaying the web pages. An HTML document is a mixture of text nodes and HTML elements.

Basics of HTML are-

The simple fundamental components oh HTML is

  1. Head- the setup information for the program and web pages is carried in the head
  2. Body- the actual substance that is to be shown on the web page is carried in the body
  3. HTML- information starts and ends with and labels.
  4. Comments- come up in between

Html versions timeline

  1. HTML was created in 1990. Html is a program that is updated regularly. the timeline for the HTML versions is
  2. HTML 2- November, 1995
  3. HTML 3- January, 1997
  4. HTML 4- December, 1997; April, 1998; December, 1999; May, 2000
  5. HTML 5- October, 2014; November, 2016; December, 2017

HTML draft version timelines are

  1. October 1991
  2. June 1992
  3. November 1992
  4. June 1993
  5. November 1993
  6. November 1994
  7. April 1995
  8. January 2008
  9. HTML 5-
    2011, last call
    2012 candidate recommendation
    2014 proposed recommendation and recommendation

HTML helps in creating web pages. In web pages, there are texts, pictures, colouring schemes, tables, and a variety of other things. HTML allows all these on a web page.
There are a lot of attributes in HTML. It may get difficult to memorize these attributes. HTML is a tricky concept. Sometimes it gets difficult to find a single mistake that doesn’t let the web page function properly.

Many minor things are to be kept in mind in HTML. To complete an HTML assignment, it is always advisable to seek help from online experts. These experts are well trained and acknowledged with the subject. They provide quality content within the prescribed deadline. With several positive reviews, the online expert help for HTML assignment is highly recommended.

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