Manikanth Mani has Published 71 Answers

What is the usage of onreset event in JavaScript?

Manikanth Mani
Manikanth Mani
Published on 26-Feb-2018 15:42:24
The onreset event is useful when a form is reset. You can try to run the following code to learn how to implement onreset event in JavaScript.Example<!DOCTYPE html> <html>    <body>       <script>          function resetFunct() {            alert("The form was ... Read More

What is the usage of onfocusin event in JavaScript?

Manikanth Mani
Manikanth Mani
Published on 26-Feb-2018 15:30:41
The onfocusin event triggers when an element is to get focus. You can try to run the following code to learn how to implement onfocusin event in JavaScript −Example<!DOCTYPE html> <html>    <body>       <p>Write below:</p>       <input type="text" onfocusin="newFunc(this)">       <script>       ... Read More

How to return a random number between 1 and 200 with JavaScript?

Manikanth Mani
Manikanth Mani
Published on 26-Feb-2018 14:50:41
To return a random number between 1 and 200, use the JavaScript Math.random() and Math.floor() method.ExampleYou can try to run the following code to return a random number in JavaScript.<!DOCTYPE html> <html>    <body>       <script>          document.write(Math.floor(Math.random() * 200) + 1);       ... Read More

What is JavaScript Bitwise Right Shift(>>) Operator?

Manikanth Mani
Manikanth Mani
Published on 26-Feb-2018 14:38:21
Using Bitwise Right Shift operator, shift bit from the left. The rightmost bit isn’t considered.ExampleYou can try to run the following code to learn how to work with JavaScript Bitwise Right Shift Operator.<!DOCTYPE html> <html>    <body>       <script>          document.write("Bitwise Right Shift Operator<br>");   ... Read More

How to return a string value version of the current number?

Manikanth Mani
Manikanth Mani
Published on 26-Feb-2018 12:53:03
The toLocaleString() method returns a string value version of the current number in a format that may vary according to a browser's local settings.ExampleYou can try to run the following code to return a string value version −<html>    <head>       <title>JavaScript toLocaleString() Method </title>    </head> ... Read More

How to apply a function simultaneously against two values of the array from left-to-right?

Manikanth Mani
Manikanth Mani
Published on 26-Feb-2018 12:13:53
Use the reduce() method in JavaScript to apply a function simultaneously against two values of the array from left-to-right as to reduce it to a single value.The following are the parameters −callback − Function to execute on each value in the array.initialValue − Object to use as the first argument to the ... Read More

How to convert a date to a string using current locale's conventions?

Manikanth Mani
Manikanth Mani
Published on 26-Feb-2018 11:23:40
JavaScript date toLocaleString() method converts a date to a string, using the operating system's local conventions.The toLocaleString method relies on the underlying operating system in formatting dates. It converts the date to a string using the formatting convention of the operating system where the script is running. For example, in ... Read More

How can we create the MySQL view with ORDER BY clause?

Manikanth Mani
Manikanth Mani
Published on 22-Feb-2018 15:36:09
We can use MySQL ORDER BY clause to sort the records in our result set. . To understand GROUP BY clause with views we are creating a view named ‘Info’ using the base table ‘Student_info’ having the following data −mysql> Select * from Student_info; +------+---------+------------+------------+ | id   | Name ... Read More

How can I move an existing MySQL event to another database?

Manikanth Mani
Manikanth Mani
Published on 22-Feb-2018 12:40:37
It can be done with the help of ALTER EVENT statement too. We need to use the combination of database name and event name along with the RENAME keyword. To illustrate it we are having the following example in which we are moving the event named ‘hello_renamed’ from ‘query’ database ... Read More

How can we check the list of all triggers in a database?

Manikanth Mani
Manikanth Mani
Published on 22-Feb-2018 11:15:07
With the help of the SHOW TRIGGERS statement, we can list all the triggers in a particular database. It can be illustrated with the help of the following example −Examplemysql> Show Triggers\G *************************** 1. row ***************************   Trigger: trigger_before_delete_sample     Event: DELETE     Table: sample Statement: BEGIN ... Read More
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