Article Categories
- All Categories
-
Data Structure
-
Networking
-
RDBMS
-
Operating System
-
Java
-
MS Excel
-
iOS
-
HTML
-
CSS
-
Android
-
Python
-
C Programming
-
C++
-
C#
-
MongoDB
-
MySQL
-
Javascript
-
PHP
Javascript Articles
Page 120 of 534
How to get a particular anchor in a document in JavaScript?
In this article we will learn how to get a particular anchor in a document in JavaScript. The Javascript anchor tags follow an array-like structure. When we try to display a particular anchor tag we have to use ,document.anchors.innerHTML method. This method works the same as array methods which are used to display a particular element. To get a better understanding let’s look into the usage and syntax of anchor tag in JavaScript. Syntax The syntax to get a particular anchor tag is shown below. document.anchors[i].innerHTML or document.getElementsByTagName(“a”)[i].innerHTML Example 1 The following is an example program to get a ...
Read MoreHow to know the browser language and browser platform in JavaScript?
In this article we are going to discuss how to know the browser language and browser platform with the help of examples in JavaScript To know the various properties of the browser, the JavaScript provides Navigator object. The Navigator object has several properties, which include - connection, credentials, cookies, geolocation, language, platform, etc. We are concerned with Navigator.language and Navigator.platform to know the language and platform of the browser. Let us discuss about them in detail. Navigator.language The read-only Navigator.language property returns a string that represents the browser UI language. It returns a string that returns the language version. For ...
Read MoreWhich one is faster between JavaScript and an ASP script?
In this article, we are going to discuss about the quickest language between JavaScript and ASP script. JavaScript is a light weighted and compiled language. It is a popular client-side scripting language. The content of JavaScript code is visible to the users. The extension for a JavaScript file is .js. Active Server Pages Script is popularly known as ASP script. It is a server-side scripting language to develop dynamic web pages. The extension for an ASP script file is .asp. Consider a Three-tier architecture – Presentation layer, Application layer and Data layer. JavaScript is used in the presentation layer. JavaScript ...
Read MoreHow to find the inner height and inner width of a browser window in JavaScript?
In this article we are going to learn how to find the inner height and inner width of a browser window using JavaScript. JavaScript defines window object methods and properties. The properties include inner height and inner width, which helps us to calculate the height and width of a window’s content area. There are two ways to calculate the inner height and inner width of a window. Using innerHeight and innerWidth properties − To get the inner height and inner width JavaScript has provided some properties such as window.innerHeight and window.innerwidth respectively. Using these properties, it is easy to ...
Read MoreRemoving an element from a given position of the array in Javascript
In this article, we are going to discuss removing an element from a given position of the array in JavaScript. The delete operator, the slice() method, and the splice() method can be used to remove an element from a given position of the array in this article. Following is the syntax of the delete operator. let del = delete arr[index]; Following is the syntax of the slice() method. arr.slice(start, end) Following is the syntax of the splice() method. arr.splice(position, no_of_elem) Using delete Operator Example In this example, we are going to discuss the use of the ...
Read MoreRemoving an element from the start of the array in javascript
In this article, we are going to discuss removing an element from the start of the array in JavaScript. For that, we are going to use the _.rest() method. This method returns the array elements except for the 0th indexed element. We can also use the shift() method and the slice() method to remove the first element from an array. Let us see the implementation of it further. Using _.rest() Method The following example demonstrates how to remove the start element from an array in JavaScript. Syntax The syntax of the _.rest() method is − _.rest( array, index ); ...
Read MoreHow to modify an array value of a JSON object in JavaScript?
In this article, we are going to discuss how to modify an array value of a JSON object in JavaScript. We try to update a new value or modify the existing value in an array. Modifying an array is just like modifying an object when that array is inside the object. The normal general principles of modifying will apply here. Syntax Following is the syntax of the for…in statement. for (var in obj) { //code } Example 1 In this example, we are trying to loop through an array using the for…in statement. This statement ...
Read MoreHow to get the Width and Height of the screen in JavaScript?
In this article, we are going to discuss how to get the width and height of the screen in JavaScript. Javascript provides an window.screen object that contains information regarding the user's screen. The information includes height and width, and also many other features. To find the height and width of the screen you need to use the following read-only properties Screen.height − This property is used to get the height of the screen in pixels. Screen.width − This property is used to get the width of the screen in pixels. Syntax Following is the syntax of the height ...
Read MoreWhy split the <script> tag when writing it with document.write()?
In this tutorial, we will learn why to split the tag when writing it with the document.write(). The script tag in HTML is added to execute JavaScript code on the webpage. The JavaScript programs must be enclosed with the script tag to execute. There are many methods in JavaScript that add HTML content to the page, like the document.write() method. The document.write() method is used to delete all the content from the HTML tag or the document and add the content specified in this method to the page. Because of performance degradation and errors in certain conditions, this method ...
Read MoreIs it possible to write data to file using only JavaScript?
In this tutorial, we will learn if it is possible to write data to files using only JavaScript. JavaScript has a library named fs (short form of File-System) that manages all writing operations. It is a JavaScript program (fs.js) with functions for writing operations. Utilize functions to write text to system files by importing the fs module into the program. For example, the writeFile() function will erase all old data from a file and create a new one with the specified name if there isn’t already one. It is mainly used for writing operations. The File-System module is a handy ...
Read More