Character encoding is a method of converting bytes into characters. To validate or display an HTML document properly, a program must choose a proper character encoding.Use the element, to set the charset attribute and specify the character encoding for the HTML document −                         Click following link       Welcome to Qries    

Use the border attribute in HTML to display the thickness of the border.Note − This attribute is not supported in HTML5.ExampleYou can try to run the following code to learn how to implement border attribute in HTML −           Cricketers                Name                       Sachin Tendulkar                                 Virat Kohli                     Use CSS instead, since the border attribute deprecated in HTML5.                    table, th, td {             border: 1px solid black;          }                     Cricketers                Indian Cricketers          Name                       Sachin Tendulkar                                 Virat Kohli                    

Use the autoplay attribute to set that the audio or video will start playing automatically as the page loads.ExampleYou can try to run the following code to implement autoplay attribute in HTML −                                        Your browser does not support the video element.          

Use the bgcolor attribute in HTML to display the background color of an element. It is used to control the background of an HTML element, specifically page body and table backgrounds.Note − This attribute is not supported in HTML5.ExampleYou can try to run the following code to learn how to implement bgcolor attribute in HTML −           HTML Background Colors                                                          This background is yellow                                                                              This background is sky blue                                                                              This background is green                                

Use the autofocus attribute to specify that the element should get focus automatically on page load in HTML −ExampleYou can try to run the following code to learn how to implement autofocus attribute in HTML −           Click on the below button to generate an alert box.       Result    

Use the autocomplete attribute to enable autocomplete in an HTML form. The autocomplete attribute is used with form elements to set the autocomplete feature on or off. If the autocomplete feature is on, the browser will automatically show values, based on what users entered before in the field.If the autocomplete feature is off, the browser won’t automatically show values, based on what users entered before in the field.The following are the attribute values −S. NoAttribute ValueDescription1OnThis is the default value. Browser automatically complete values based on what users entered before.2OffBrowser won’t complete values based on what users entered before. Users have to type the ... Read More

Use the async attribute to set the script to execute asynchronously as and when it is available. It only uses the external script.Firstly, add a js file. Let us give it a name, new.js,function sayHello() {    alert("Hello World") }Let’s add the HTML code now and execute the above script −                         This is demo text.    

Use the action attribute to add the file, where you want to reach after clicking Submit button. You can also add an email to send the data to that email-id.ExampleYou can try to run the following code to set where to send the form-data when a form is submitted in HTML −           Student Contact Form                Student Name:          Student Subject:                    

Use the align attribute to set the alignment. You can try to run the following code to implement align attribute in HTML −Note − The align attribute deprecated in HTML5. Use CSS instead.Example           A right-aligned paragraph.       Note: The align attribute is not supported in HTML5. Use CSS instead.    

Use the alt attribute to add alternative text for an image. If the user fails to view it (loading issue), then the same text will be visible. In addition, the attribute helps screen readers in reading the content to the user.ExampleYou can try to run the following code to implement alt attribute in HTML −           HTML alt attribute               Simple Image Insert