Ali has Published 57 Answers

How to declare String Variables in JavaScript?

Ali

Ali

Updated on 20-Apr-2022 11:57:23

JavaScript is an untyped language. This means that a JavaScript variable can hold a value of any data type. To declare variables in JavaScript, you need to use the var, let, or const keyword. Whether it is a string or a number, use the var, let, or const keyword for ... Read More

How to add space around table border in HTML?

Ali

Ali

Updated on 29-Dec-2021 09:20:34

To set border spacing for an HTML table, use the CSS border-spacing property. It sets the distance between cells in a table, ExampleYou can try to run the following code to add space around table border in HTML<!DOCTYPE html> <html>    <head>       <style>         ... Read More

What is a final variable in java?

Ali

Ali

Updated on 29-Jul-2021 13:58:29

The final keyword can be used with class method and variable. A final class cannot be inherited, a final method cannot be overridden and a final variable cannot be reassigned.A final variable can be explicitly initialized only once. A reference variable declared final can never be reassigned to refer to ... Read More

How to filter an array in Java

Ali

Ali

Updated on 17-Jun-2020 11:30:58

You can use List.removeAll() method to filter an array. exampleimport java.util.ArrayList; import java.util.List; public class Tester {    public static void main(String[] args) {       List<String> list = new ArrayList<>();       list.add("A");       list.add("B");       list.add("C");       list.add("D");       ... Read More

How do I print a message to the error console using JavaScript?

Ali

Ali

Updated on 16-Jun-2020 13:52:32

To print a message to the error console, use the console object. Here’s an example −The following will show a red error message −console.error(message);The following gives you the default message −console.log(message);The following gives you the warning message −console.warn(message);The following gives an information message −console.info(message);Add CSS to the log message −console.log('%c ... Read More

How to print a number with commas as thousands of separators in JavaScript?

Ali

Ali

Updated on 16-Jun-2020 13:42:34

To print a number with commas as thousands of separators, try to run the following code −ExampleLive Demo<!DOCTYPE html> <html>    <body>       <script>          var number = 24287995;          document.write(new Intl.NumberFormat().format(number));       </script>    </body> </html>Output24, 287, 995Read More

How do I print debug messages in the Google Chrome JavaScript Console?

Ali

Ali

Updated on 16-Jun-2020 13:35:05

To print debug messages in the Google Chrome JavaScript Console, write a script, which is not creating console functions if they do not exist −if (!window.console) console = {}; console.log = console.log || function(){}; console.warn = console.warn || function(){}; console.error = console.error || function(){};Above you can see the following functions ... Read More

How to use the <script> tag to define client-side JavaScript?

Ali

Ali

Updated on 15-Jun-2020 11:44:41

The HTML <script> tag is used for declaring a script within your HTML document. Through this, you can define client-side JavaScript.Here are the attributes of the <script> tag −AttributeValueDescriptionasyncasyncSpecifies that the script is executed asynchronously.charsetcharsetDefines the character encoding that the script uses.deferdeferDeclares that the script will not generate any content. ... Read More

How do we use different CSS classes in HTML?

Ali

Ali

Updated on 15-Jun-2020 11:07:16

In HTML, define styles rules based on the class attribute of the elements. The elements having that class will be formatted according to the defined rule. This is known as class selector. For selecting elements with a specific class, you need to write a period (.) character, followed by the ... Read More

How we can put two divisions <div> side by side in HTML?

Ali

Ali

Updated on 15-Jun-2020 10:51:14

With CSS properties, you can easily put two <div> side by side in HTML. Use the CSS property float to achieve this.With that, add height:100px and set margin.ExampleYou can try to run the following code to place two <div> side by sideLive Demo<!DOCTYPE html> <html>    <head>       ... Read More

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