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Articles by Prabhdeep Singh
Page 16 of 17
How to round up a number in JavaScript?
In this tutorial, we will discuss how to round up a number in JavaScript. There is a property in JavaScript under ‘Math’ named “ceil” with the help of this property we can easily round up a number in JavaScript. Ceil() is a mathematical function that computes an integer x to greater than or equal to x. If x has the decimal value zero or is a simple integer then it returns x, and if the number is a decimal number (x.yz, here yz is a non-zero number) then it returns x+1. Syntax var x = A.B var value = Math.ceil(x); ...
Read MoreHow to return which part of a positioned element is visible in JavaScript?
This tutorial teaches us how to return which part of a positioned element is visible in JavaScript. Positioned element is an element in JavaScript or Html which have some defined position it could be absolute which means fixed, or any relative position. To make the defined part visible only we are going to clip, remove, or hide the not required area by using the ‘clip’ property of the ‘style’ property of any element. We are going to define an area as a rectangle and defined its portion how much we are required to trim and how much we need to ...
Read MoreHow to return the background color of an element with JavaScript DOM?
In this tutorial, we will explore the method by which we can get the background color of an element with JavaScript. There are many scenarios where we may want to get the color of an element on the page, and we will see how to achieve that easily using inbuilt methods provided by JavaScript. We cannot only retrieve the color of the color we can also set the color of an element using the same function. To achieve this, we will be using a modification of the same function. Browser Support Chrome Browser − Version 1.0 and above. Edge ...
Read MoreHow to return the position of the element relative to floating objects in JavaScript?
This tutorial teaches us how to return the position of the element relative to floating objects in JavaScript. To set the relative position or to get or return the relative position we are going to use the ‘clear’ property of JavaScript which is defined under the style property of an object. There are a total of four relative positions that are ‘left’, ‘right’, ‘top’, and ‘bottom’, and if we relatively position an object then it will fill all the gaps of that particular side. The float property of the JavaScript language can be used to set the property of the ...
Read MoreHow to return a number of bits used to display one color on a window screen in JavaScript?
In this tutorial, we will explore how we can find out the number of bits that are used to display a single color on the screen of our device using JavaScript. JavaScript has many inbuilt functions that allow us to get information about the various properties of the display screen. We’ll be using one such function to accomplish the task mentioned above. As discussed in the previous section, we want to find out the exact number of bits that are used to display a particular color on the user’s display screen by using JavaScript. Before we can access the number ...
Read MoreHow to replace string using JavaScript RegExp?
In this tutorial, we will explore how we can replace a particular sub string in a string by using regular expressions in JavaScript. Sometimes we may want to replace a recurrent sub string in a string with something else. In such cases, regular expressions can be beneficial. Before using them to solve our current problem, let us see what regular expressions exactly are. Regular expressions are basically a pattern of characters that can be used to search different occurrences of that pattern in a string. Regular expressions make it possible to search for a particular pattern in a stream of ...
Read MoreHow to replace all occurrences of a string in JavaScript?
This tutorial will teach us how to replace all occurrences of a string in JavaScript which mean by the end of the tutorial we will learn to detect a given type of substring from the given string and replace it will another given string by the user. To replace all occurrences of a string in JavaScript we have three methods which we are going to see in this tutorial, they are: splitting the string into an array and then joining it back by adding replacement in gaps, with the global regular expression using the replace() method, and at last we ...
Read MoreHow to replace all dots in a string using JavaScript?
In this tutorial, we will explore the different ways by which we can replace all dots in a string using JavaScript. It is possible to remove all occurrences of dots in a string manually by running a for loop, but JavaScript provides many functions by which we can accomplish the same task very easily. This is precisely what we will discuss in this article. The two most popular methods by which we can replace all dots in a string using JavaScript are − Using the replaceAll() method in JavaScript JavaScript strings have a method called replaceAll(), to which we can ...
Read MoreHow to remove two parts of a string with JavaScript?
This tutorial teaches us how to remove the text part between two parts of a string with JavaScript, basically, we are given two ends that can be a string or a character and we have to remove the string lying in between them. In this tutorial, we are going to use the regular expression or JavaScript Regex to remove the text between two characters. We are going to use the replace() function of JavaScript. Syntax Let’s see the syntax of removing part of a string in between two characters or sub-strings of a given string using JavaScript Regex − var ...
Read MoreHow to remove options from a dropdown list with JavaScript?
This tutorial teaches us how to remove the options from a dropdown list using JavaScript. Usually, this is not frequent that users get the option to remove any option from the dropdown list but this is possible if the option is provided by the programmer. If the programmer wants to provide the option to remove the dropdown then in JavaScript it is possible with the help of the remove() method. Using the DOM user can select the option to remove and by providing a function it could be passed to the remove method which will remove it. Let’s look into ...
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