Ankitha Reddy has Published 102 Answers

How do we specify whether a header cell is a header for a column, row, or group of columns or rows in HTML?

Ankitha Reddy
Ankitha Reddy
Published on 14-Mar-2018 10:27:30
Use the scope attribute to implement whether a header cell is a header for a column, row, or group of columns or rows in HTML − Example Live Demo <!DOCTYPE html> <html> <head> <style> ... Read More

Execute a script when an error occurs in HTML?

Ankitha Reddy
Ankitha Reddy
Published on 14-Mar-2018 09:50:02
The onerror event triggers when an error occurs in HTML. You can try to run the following code to implement onerror event attribute − Example Live Demo <!DOCTYPE html> <html> <body> <img src = "new.png" onerror = "display()"> ... Read More

How to store custom data private to the page or application in HTML?

Ankitha Reddy
Ankitha Reddy
Published on 14-Mar-2018 07:34:42
Use the data-* attribute in HTML to store custom data private to the page in HTML. It consists of the attribute, which should not contain any uppercase letter and should gets prefixed after data. You can try to run the following code to implement the data-* attribute − Example ... Read More

Execute a script when a Web Storage area is updated in HTML?

Ankitha Reddy
Ankitha Reddy
Published on 14-Mar-2018 06:09:11
Use the onstorage attribute in HTML to execute on Web Storage area update. You can try to run the following code to implement onstorage attribute − Example <!doctype html> <html> <head><title>HTML onstorage</title> </head> <body> ... Read More

How to specify the usage of an element using the tabbing order (tab keyboard button) in HTML?

Ankitha Reddy
Ankitha Reddy
Published on 13-Mar-2018 12:55:03
Use the tabindex attribute in HTML to set the tabbing order of an element. It gives you the authority to change the order of your TAB usage on the keyboard. You can try to run the following code to create tabbing order of an element in HTML − Example ... Read More

How to specify that an <input> element should be pre-selected when the page loads in HTML?

Ankitha Reddy
Ankitha Reddy
Published on 13-Mar-2018 11:56:49
Use the checked attribute to specify an <input> element is to be pre-selected on page load. The attribute works with −<input type = "checkbox"> <input type = "radio">.ExampleYou can try to run the following code to implement checked attribute in HTML − Live Demo<!DOCTYPE html> <html>    <body>       ... Read More

How to display a short quotation in HTML?

Ankitha Reddy
Ankitha Reddy
Published on 13-Mar-2018 08:27:38
The HTML <q> tag is used for indicating short quotations (i.e. quotations that span multiple lines). The HTML <q> tag also supports the following additional attributes −AttributeValueDescriptionciteURLURL of the quote, if it is taken from the web.ExampleYou can try to run the following code to implement <q> tag in HTML ... Read More

Create self-contained content in HTML5

Ankitha Reddy
Ankitha Reddy
Published on 13-Mar-2018 07:06:08
Use the <figure> tag to create self-contained content. You can try to run the following code to implement <figure> tag in HTML5 − Example Live Demo <!DOCTYPE html> <html> <head> <title>HTML figure Tag</title> </head> ... Read More

How to use sockets in JavaScript\HTML?

Ankitha Reddy
Ankitha Reddy
Published on 01-Mar-2018 06:27:23
To use sockets, consider the WebSocket interface in JavaScript. This interface enables web applications to maintain bidirectional communications with server-side processes. To enable Web applications to maintain bidirectional communications with server-side processes, this specification introduces the WebSocket interface. Here are some of the methods to workaround with Web Sockets − ... Read More

Why should we avoid using global variables in C/C++?

Ankitha Reddy
Ankitha Reddy
Published on 28-Feb-2018 10:15:30
We should avoid using global variables in any language, not only C++. This is because these variables pollute the global namespace, can cause some very nasty bugs in big projects as they can be accessed from any file and hence be modified from anywhere. These are some of the reasons ... Read More
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