Akshaya Akki has Published 66 Answers

What is the role of pageY Mouse Event in JavaScript?

Akshaya Akki
Akshaya Akki
Published on 26-Feb-2018 16:23:56
When a mouse event is triggered, the pageY mouse event property is used to get the vertical coordinate of the mouse pointer. The coordinate is relative to the screen.ExampleYou can try to run the following code to learn how to implement pageY Mouse event in JavaScript.<!DOCTYPE html> <html>    <body>   ... Read More

What is the usage of onpagehide event in JavaScript?

Akshaya Akki
Akshaya Akki
Published on 26-Feb-2018 15:21:28
The onpagehide event triggers in JavaScript when a user leaves the page and decides to move to another. Some examples include age refresh, a link is clicked, etc.ExampleYou can try the following code to learn how to implement onpagehide event in JavaScript.<!DOCTYPE html> <html>    <body onpagehide="newFunc()">       ... Read More

Are both addition and concatenation same in JavaScript?

Akshaya Akki
Akshaya Akki
Published on 26-Feb-2018 14:11:42
Both addition and concatenation use the same + operator, but they are not same. Concatenation is used to concatenate i.e. add strings, whereas simple addition adds numbers.ExampleLet us see an example showing adding numbers and adding strings. Both show different results −<!DOCTYPE html> <html>    <body>       <script> ... Read More

Match any string containing a sequence of two to three p's.

Akshaya Akki
Akshaya Akki
Published on 26-Feb-2018 12:34:03
To match any string containing a sequence of two to three p’s with JavaScript RegExp, use the p{2, 3} Quantifier.Example<html>    <head>       <title>JavaScript Regular Expression</title>    </head>    <body>       <script>          var myStr = "Welcome 1, 10, 100, 1000, 1000"; ... Read More

How to return the day of the week in the specified date according to universal time?

Akshaya Akki
Akshaya Akki
Published on 26-Feb-2018 11:59:55
JavaScript date getUTCDay() method returns the day of the week in the specified date according to universal time. The value returned by getUTCDay() is an integer corresponding to the day of the week: 0 for Sunday, 1 for Monday, 2 for Tuesday, and so on.ExampleYou can try to run the following ... Read More

What is the role of source RegExp property in JavaScript?

Akshaya Akki
Akshaya Akki
Published on 26-Feb-2018 11:32:14
The source RegExp property in JavaScript is a read-only string property of RegExp objects. It contains the text of the RegExp pattern. This text does not include the delimiting slashes used in regular-expression literals, and it does not include the "g", "i", and "m" attributes.ExampleYou can try to run the ... Read More

How can we drop a MySQL view from the database?

Akshaya Akki
Akshaya Akki
Published on 22-Feb-2018 14:54:18
With the help of DROP VIEW statement, we can drop a MySQL view from the database. Its syntax would be as follows −SyntaxDROP VIEW [IF EXISTS] view_name;Here view_name is the name of the view which we want to delete from the database.ExampleSuppose if we want to drop a view named ... Read More

How can we create a MySQL one-time event that executes after some specified time interval?

Akshaya Akki
Akshaya Akki
Published on 22-Feb-2018 12:26:51
As we know a one-time event means the events that will be executed only once on a particular schedule. To illustrate the creation of such kind of events we are using the following example in which we are creating an event which will execute after some specified time interval −Examplemysql> ... Read More

How does MySQL evaluate the expression if the arguments are not equal in NULLIF()?

Akshaya Akki
Akshaya Akki
Published on 21-Feb-2018 15:25:57
As we know that MySQL NULLIF() control flow function will return the first argument both the arguments are not the same. The first argument is returned because MySQL evaluates the first argument twice if both of the arguments are not the same.Examplemysql> Select NULLIF('Tutorialspoint', 'MySQL'); +----------------------------------+ | NULLIF('Tutorialspoint', 'MySQL') | ... Read More

What MYSQL INTERVAL() function returns if there is no bigger number in the list of arguments than the number at first argument?

Akshaya Akki
Akshaya Akki
Published on 21-Feb-2018 14:38:42
In this case, MySQL INTERVAL() function returns the index number of the last number in argument list plus 1. In other words, the last index number in the list plus 1 would be returned by this function. Following example will demonstrate it −mysql> Select INTERVAL(50, 20, 32, 38, 40); +--------------------------+ ... Read More
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