Found 6710 Articles for Javascript

How to change the element id using jQuery?

Gungi Mahesh
Updated on 17-Mar-2023 13:19:19

7K+ Views

jQuery is one of the JavaScript libraries which is fast, small, and feature-rich. It is used to perform event handling, animation, etc. It is a combination of versatility and extensibility. jQuery is used to simplify the AJAX call and DOM manipulation. Using jQuery, we can make a webpage interactive by responding to a mouse click event. jQuery includes the features like Events, Effects, animations, Ajax, JSON parsing, Cross-browser support, and extensibility. It distributes as a single JavaScript file which defines all of its interfaces like DOM, Events, and the Ajax functions. jQuery consists of two functions, one function is static ... Read More

How to change the href value of <a> tag after clicking on button using JavaScript?

Gungi Mahesh
Updated on 17-Mar-2023 13:17:17

10K+ Views

The href attribute specifies the link’s destination, which can be a URL or an anchor point within the same document. Changing the attribute value of href which allows us to dynamically update the destination of the link, which can be useful in a variety of situations. Generally, the tag is used to create a hyperlink in HTML. stands for anchor tag, and it is used to link the other web pages or to specify the exact locations within the same page. On the other side, the href attribute is used to specify the link’s destination, which can be ... Read More

How to change the font-weight of a text using JavaScript?

Gungi Mahesh
Updated on 17-Mar-2023 13:12:46

1K+ Views

Using JavaScript is one of the most famous ways to change the font-weight of any text on your webpage. We can build interactive applications using JavaScript with HTML elements. Font weight refers to the boldness or thinness of the characters. In this article, we will see how we can change the font-weight of a text using JavaScript. Using the Style fontWeight Property Let us see how can we change the font weight of a single element, such as a paragraph or a heading. To do this, we will use the ‘style.fontWeight’ property of the element. This property is an object ... Read More

How to change cursor to waiting state in JavaScript/jQuery?

Gungi Mahesh
Updated on 17-Mar-2023 13:09:46

1K+ Views

We can use onmouseover, onmouseout events to set or change the cursor into the state of waiting. In JavaScript, we have different types of mouse events which performs the different functionalities on mouse. Let us see some of the mouse events. onmousedown − These event is occurred when a mouse button is pressed over an HTML element onmouseenter − It occurs when a pointer is moved out of an element onmousemove − These event is occurred when the pointer is moving over an HTML element onmouseout − It occurs when the pointer leaves the element onmouseover − When the ... Read More

How to change font style using drop-down list in JavaScript?

Gungi Mahesh
Updated on 17-Mar-2023 13:03:11

6K+ Views

We can use the style fontFamily property to change font style using drop-down list in JavaScript. To make the font change effective using the drop-down list, we can use onchange event when an option is selected in the drop down list. Before we move further, let us know in detail about the drop-down list. A drop-down list is a switchable menu which enables the user to select the one item from a various option. These options can be defined using the HTML code, which are connected to a function. These functions are triggered and starts operating whenever you click or ... Read More

How to change Input box borders after filling the box using JavaScript?

Gungi Mahesh
Updated on 17-Mar-2023 13:01:21

2K+ Views

The style.border property is used to change the element’s border, and it returns the three border-bottom properties, i.e., border-color, border-style, and border-width of the element. It is one of the HTML Style Object properties. We use onchange event to make changes effective after filling the box. The onchange is one of the JavaScript attribute and it occurs when the value of an HTML element is changed. It also works with the radio buttons and checkboxes, when the checked state is changed. The onchange event can also work with the HTML element. The onchange event is quite similar to the ... Read More

How to Change the Background Color after Clicking the Button in JavaScript?

Gungi Mahesh
Updated on 22-Nov-2024 17:35:20

20K+ Views

To change the background color after clicking the button in JavaScript, we are going to discuss two different approaches. We have to perform two simple task, that is, adding a click event and changing the background color of the document. In this article our task is to understand how to change the background color after clicking the button in JavaScript. Approaches to Change Background Color on Clicking Button Here is a list of approaches to change the background color after clicking the button in JavaScript which we will be discussing in this article with stepwise explaination and complete example codes. ... Read More

Fastest way to convert JavaScript NodeList to Array

Shubham Vora
Updated on 17-Mar-2023 12:37:14

1K+ Views

In this tutorial, we will learn the fastest way to convert JavaScript NodeList to Array. NodeList is a similar structure to an array; it is a collection of DOM (Document Object Model) elements. However, array methods like ‘map( )’, ‘filter( )’, and ‘slice( )’ cannot be used on NodeList objects. There are so many ways to convert NodeList to Array, but this task can be done faster using these two ways − By iterating for loop Using Array.from( ) function By iterating for loop In JavaScript, we can use for loop to iterate over the NodeList to get ... Read More

Explosion Animation in Canvas

Shubham Vora
Updated on 17-Mar-2023 12:26:44

1K+ Views

In this tutorial, we will learn to create an explosion animation effect using canvas in HTML. Using canvas, we can draw graphics on a web page in an easy and powerful way. Let’s see some examples of creating explosion animation in canvas. Explosion Animation 1 We will create an explosion of 50 randomly colored particles that originate from the center of the canvas and move in random directions. The particles will continue to move until the page is refreshed. Algorithm Step 1 − Create an HTML canvas element with an id of "explosion" and set its dimensions to 400x400 ... Read More

Explain V8 engine in Node.js

Shubham Vora
Updated on 17-Mar-2023 12:09:36

2K+ Views

We will learn about the V8 engine, Node.js, and the connection between V8 and Node.js. Overview of V8 JavaScript Engine V8 is a high-performance JavaScript engine developed by Google and used in Google Chrome, the open-source browser from Google. It was designed to improve the performance of web applications by compiling JavaScript into native machine code rather than interpreting it, which makes it faster. V8 is C++ based open source JavaScript engine. It runs on various platforms, like Linux, Windows, and macOS. It has features like just-in-time (JIT) compilation, garbage collection, and support for modern JavaScript features such as classes, ... Read More

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