Found 10711 Articles for Web Development

What is the best way to convert a number to a string in JavaScript?

vanithasree
Updated on 17-Jun-2020 06:37:14

139 Views

The best way to convert a number to a string is using the toString() method, with different bases. The method has an optional parameter “radix”, which is used as a base (2, 8, 16) for a numeric value.ExampleYou can try to run the following code to convert a number to a string −Live Demo                    var num = 10;          var val1 = num.toString();          var val2 = num.toString(2);          var val3 = num.toString(8);          var val4 = num.toString(16);          document.write(val1 + "" + val2 + "" + val3 + "" + val4);           Output10 1010 12 a

How to pad a number with leading zeros in JavaScript?

Shubham Vora
Updated on 06-Sep-2023 10:20:39

56K+ Views

In this tutorial, we will learn how to pad a number with leading zeros in JavaScript. Padding a number can be done in different ways in JavaScript. In this tutorial, we will see the two most popular ways of doing it − Using the String padStart() method Using the Array object constructor and join() method Using the String padStart() Method In JavaScript, the String object’s padStart() method is useful to pad a number with leading zeros. It takes two parameters, the first one is the total length of the targeted or desired string, and the other one is ... Read More

How to get a decimal portion of a number with JavaScript?

mkotla
Updated on 17-Jun-2020 06:35:57

3K+ Views

With JavaScript, use the % operator to get the decimal portion of a number.ExampleYou can try to run the following to get decimal portion −Live Demo                    var num1 = 5.3;          var num2 = 4.2;          var num3 = 8.6;          document.write(num1 % 1);          document.write(""+num2 % 1);          document.write(""+num3 % 1);           Output0.2999999999999998 0.20000000000000018 0.5999999999999996

How to check whether a checkbox is checked in JavaScript?

Shubham Vora
Updated on 06-Sep-2023 14:13:45

48K+ Views

In this tutorial, we will learn to check whether a checkbox is checked in JavaScript. The checkbox is the input type in the HTML, which works as the selection box. The radio buttons which belong to the same group allow users to select only one value. Still, the checkbox which belongs to the same group allows users to select multiple values. Also, you have many uses of checkboxes in your mind yourself. The HTML can add a checkbox to the webpage, but to add the behaviour to the checkbox, we must use JavaScript. Programmers can add different behaviours to the ... Read More

How to Delete Bookmarks in your Browser (Firefox, Chrome)

Rahul Sharma
Updated on 15-Jun-2020 08:51:40

202 Views

Bookmarks in a web browser are saved so that it can be referred. It is also known as favorite web pages. To Bookmark a web page, visit the page and press Ctrl+D. This will give you an option to save the web page.In this way, all the bookmarks get saved like this on pressing Ctrl+D. The star sign as you can see below also allows you to add a bookmark −Bookmark on FirefoxBookmark on ChromeLet’s learn how to delete a bookmark in a web browser. To delete a bookmark, which you bookmarked before in Firefox or Chrome, you need to ... Read More

How to format hexadecimal Number in JavaScript?

Giri Raju
Updated on 17-Jun-2020 06:35:28

991 Views

Firstly convert your number to hexadecimal with leading zeros and then format it by adding dashes.ExampleYou can try to run the following code to format hexadecimal number −Live Demo                    var num = 32122;          var myHex = ("000000000000000" + num.toString(16)).substr(-16);          var resHex = myHex.substr(0, 8)+'-'+myHex.substr(8,4)+'-'+myHex.substr(12,4);          document.write(resHex);           Output00000000-0000-7d7a

How to change Firefox Browser theme?

Johar Ali
Updated on 15-Jun-2020 08:44:18

178 Views

Firefox web browser is widely used and loved by many users around the world. Well, you can easily change the Firefox Browser theme and make it look more awesome.Let’s see how to reach the Firefox theme section and change the theme −Open Firefox MenuGo to the following section and click to open the Firefox browser menu. After that, you need to click Add-ons:AppearanceTo reach the Themes section, click on Add-ons and then click on Appearance as shown below −On clicking Appearance, the themes will be visible. Click Enable to enable any theme or choose from thousands of other themes as ... Read More

How to format a rounded number to N decimals using JavaScript?

Anvi Jain
Updated on 17-Jun-2020 06:45:36

345 Views

Use the toFixed() method to format a rounded number to N decimals. The toFixed() method formats a number with a specific number of digits to the right of the decimal.ExampleYou can try to run the following code to form a rounded number to N decimals −Live Demo           JavaScript toFixed() Method                        var num = 15;          document.write("num.toFixed() is : " + num.toFixed());          document.write("");          document.write("num.toFixed() is : " + num.toFixed(2));          document.write("");          document.write("num.toFixed() is : " + num.toFixed(1));          document.write("");           Outputnum.toFixed() is : 15 num.toFixed() is : 15.00 num.toFixed() is : 15.0

How to refresh a page in Firefox?

Amit Sharma
Updated on 16-Jun-2020 08:03:10

263 Views

To refresh a page in a web browser like Firefox means reloading the page. It’s quite easy to refresh a page. Follow the below given steps −Open web pageOpen the web page, which you want to refresh.Find Refresh buttonThe refresh button is located on the top right corner of the Firefox web browser. Yes, the circular arrow. Just click on it reload as shown below −Click on the arrow to reload the website. Through this, you can easily reload any web page.

How to remove leading zeros from a number in JavaScript?

Prabhdeep Singh
Updated on 07-Nov-2022 05:56:16

19K+ Views

In this tutorial, we will explore how we can remove leading zeroes from any number in JavaScript. JavaScript removes leading zeroes from an integer variable automatically, but this is not the case when we consider strings in JavaScript. It is possible that a string in JavaScript which represents a numerical value may contain leading zeroes. These leading zeroes may cause problems when we try to perform any operation on the numerical value the string represents. This is why we will explore the ways by which we can remove the leading zeroes from a number, expressed as a string in JavaScript. ... Read More

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