Javascript Articles - Page 572 of 607

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

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

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.

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

Modern websites are responsive and the design works fine on multiple devices such as Desktop, Tablet, and Mobile. Also, websites these days do not follow the old font styles, many of them use Google fonts since it’s easy to find a font-face matching your website's content and Google provides a lot of free fonts to choose from.Modern websites display beautifully formatted content on multiple devices such phones, tablets, and desktops. Also, nowadays Retina-ready logo helps in keeping your logo amazing, no matter the resolution.Follow the below given steps and learn how to design a modern website −Design StylesFor design style, ... Read More

To block a website on any of the web browsers like Google Chrome, Firefox, and Internet Explorer in a Windows system is quite easy. Follow the below-given steps to block a website −Open Notepad as an administrator i.e. Run as Administrator.Now, after opening Notepad, click on File, then click Open and move to the following path −C:\Windows\System32\drivers\etcThe following files will be visible. Click hosts and open it in Notepad −The notepad file will consist of some text. Reach the last line and press enter. Here, add the following to block any website and click Save to save the Notepad. We’re ... Read More

Creating a modal popup means adding a dialog box, which generates on click of a button and close when user clicks anywhere outside of the popup.Here’s how a popup looks like below with header and a text. You can also add a footer to it −To create a modal popup using CSS and JavaScript, try to run the following code −ExampleLive Demo                    .popup {             display: none;             position: fixed;             z-index: 1;   ... Read More

In this tutorial, we will learn to compare two numbers in JavaScript. If you are a competitive coder or application developer, in these cases, you need to make a comparison between two numbers and need to perform the particular operation basis on the comparison result of the numbers. Still, many programmers think we can compare the number only using the equality operator. Still, we can also compare the numbers using the less than or greater than operators. We will see the use of all three operators to compare the number in this tutorial. Using the Strict Equality Operator (===) In ... Read More

To convert a string with Scientific Notation, use the Number function. Pass the value to this function.ExampleYou can try to run the following code to convert a string to correct number format −Live Demo                    document.write("String with Scientific Notation converted below:");          document.write(Number("7.53245683E7"));           OutputString with Scientific Notation converted below: 75324568.3

Use the toString() method to covert the Number to string, then the length() method gives you length.ExampleYou can try to run the following code to learn how to get the length of a Number −Live Demo                    var num1 = 344;          var num2 = 149856;          document.write("Length of number "+num1+" = "+ num1.toString().length);          document.write("Length of number "+num2+" = "+ num2.toString().length);           OutputLength of number 344 = 3 Length of number 149856 = 6