Use the CSS background-origin property to set the content-box value. With the content-box value, the background image begins from the upper left corner of the content.You can try to run the following code to implement the content-box value:ExampleLive Demo                    #value1 ... Read More

With CSS, you can add a small arrow to the tooltip, using :after. With that, use the content property as well.You can try to run the following code to add an arrow in the tooltip:ExampleLive Demo           .mytooltip .mytext {          visibility: hidden; ... Read More

To set height equal to the dynamic width in JavaScript, you can try to run the following code −Example                    .wrap {             width:400px;             height:300px;             border:2px solid yellow;          }          .myChild{             width: 80%;             border:1px solid red;          }                                  var res = $('.myChild').width();          $('.myChild').css({             'height': res + 'px'          });                                        

JavaScript date setUTCMonth ( ) method sets the month for a specified date according to universal time.The following is the parameter of setUTCMonth ( monthvalue ) method in JavaScript −monthValue − An integer between 0 and 11, representing the month.ExampleYou can try to run the following code to set the month ... Read More

To debug CSS/JavaSript hover issues, you need to follow the below-given steps, Press F12 to open Inspect Element, in Firefox. In the DOM view right-click the element, and Select :hover, :active or :focus at the bottom of the context menuThe following screenshot shows how to debug hover issues −

To catch all JavaScript unhandled exceptions, use window.error. The onerror event handler provides three pieces of information to identify the exact nature of the error −Error message − The same message that the browser would display for the given errorURL − The file in which the error occurredLine number− The line ... Read More

You cannot skip a character in a capture group. A match is always consecutive, even when it contains things like zero-width assertions.ExampleHowever, you can access the matched groups in a regular expression like the following code −                    var str = ... Read More

In JavaScript, the functions wrapped with parenthesis are called “Immediately Invoked Function Expressions" or "Self Executing Functions.The purpose of wrapping is to the namespace and control the visibility of member functions. It wraps the code inside a function scope and decreases clashing with other libraries. This is what we call ... Read More

To understand this concept, we are using the data from table ‘Information’ as follows −mysql> Select * from Information; +----+---------+ | id | Name    | +----+---------+ | 1  | Gaurav  | | 2  | Ram     | | 3  | Rahul   | | 4  | Aarav   ... Read More

The default sort order in MySQL tables is ascending. Whenever we use ORDER BY clause to sort out the rows of a table, MySQL gives output in ascending order, with the smallest value first. Consider the following example from a table named ‘student’ −mysql> Select * from student order by ... Read More