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To unescape HTML entities in JavaScript, we need to understand the difference between URL encoding (handled by unescape()) and HTML entity decoding. HTML entities like , and & require different approaches than URL-encoded strings like %20. The legacy unescape() function only handles URL percent-encoded strings, not actual HTML entities. For true HTML entity decoding, we use modern methods like the DOM's innerHTML property or DOMParser. Syntax Following is the syntax for the legacy unescape() function for URL decoding − unescape(encodedString) Following is the syntax for HTML entity decoding using DOM methods − ... Read More
Loading content from one iframe to another iframe is a common web development task that enables dynamic content display without reloading the entire page. This technique uses the target attribute of anchor tags to specify which iframe should display the linked content. Syntax Following is the syntax for targeting an iframe from a hyperlink − Link Text The target attribute in the anchor tag must match the name attribute of the destination iframe. How It Works When a hyperlink with a target attribute is clicked, the browser loads the specified URL ... Read More
To provide users with various options to reach out to you, consider integrating Skype, email, and phone features into your website. This article discusses the utilization of HTML to connect these communication channels, thereby enhancing the overall user experience on your site. Skype Integration Incorporating a Skype link into your website through HTML enables visitors to initiate voice or video calls directly from your webpage. By including your Skype username in the HTML code, users can effortlessly connect with you using the skype: URI scheme. Syntax Following is the syntax for creating a Skype call link ... Read More
The jQuery attr() method is used to change the href attribute for hyperlinks. This method can both get and set attribute values for HTML elements. Changing href attributes is particularly useful when you need to update URLs dynamically, such as converting HTTP links to HTTPS or modifying URLs based on user interactions. Syntax Following is the syntax to get an attribute value − var value = $(selector).attr("attributeName"); Following is the syntax to set an attribute value − $(selector).attr("attributeName", "newValue"); Getting Current href Value To retrieve the current href value ... Read More
Google Maps provides a convenient way to display locations on web pages. While the official Google Maps JavaScript API requires an API key, you can embed Google Maps directly using iframe elements without any authentication. This method allows you to display interactive maps with basic controls and navigation features. An iframe (inline frame) is an HTML element that embeds another webpage within your current page. Google Maps provides embeddable URLs specifically designed for iframe usage, making it simple to integrate maps without complex setup or API management. Syntax Following is the basic syntax for embedding a Google ... Read More
Unlike text inputs, the HTML element does not support the placeholder attribute. However, we can create a placeholder effect using the first element with specific attributes to simulate placeholder behavior. Syntax Following is the basic syntax for creating a placeholder in a select box − Placeholder text Option 1 Option 2 The key attributes are: value="" − Empty value ensures no data is submitted if placeholder is somehow selected disabled − Prevents users from selecting the placeholder option selected ... Read More
To add line breaks to an HTML textarea, there are several approaches. You can programmatically insert line breaks using JavaScript by replacing specific characters with newline characters (), or use CSS properties like white-space: pre-wrap to preserve formatting. Line breaks in textareas are essential for creating multi-line content and improving text readability. Method 1: Using JavaScript to Replace Characters with Line Breaks This method involves replacing specific characters (like periods) with newline characters using JavaScript's replace() method. How It Works Create a textarea in HTML and assign an id to it. Create a button which ... Read More
HTML canvas graphics provide lots of options to create versatile objects. While working with Canvas you might want to convert the graphics into real images which you can download or print. This article will help you create graphics and save them as image files on your device. The process involves creating graphics on an HTML5 element, then using the toDataURL() method to convert the canvas content into a downloadable image format (PNG by default). Syntax Following is the syntax for converting canvas to image using toDataURL() method − canvas.toDataURL(type, quality); Parameters: ... Read More
The HTML DOM Textarea placeholder property is used to get or set the value of the placeholder attribute of a textarea element. The placeholder provides a hint to users about what kind of information is expected in the textarea field. Syntax Following is the syntax for returning the placeholder value − textareaObject.placeholder Following is the syntax for setting the placeholder value − textareaObject.placeholder = "text" Property Value The placeholder property accepts a string value that specifies the short hint displayed in the textarea before the user enters a value. ... Read More
The HTML DOM localStorage property enables users to store key-value pairs in the browser's local storage for persistent data storage. Unlike session storage, localStorage data remains available until explicitly removed or cleared, even after the browser is closed and reopened. Syntax Following is the syntax to access localStorage − window.localStorage The localStorage object provides several methods for data manipulation − setItem(key, value) − Stores a key-value pair in localStorage getItem(key) − Retrieves the value associated with the specified key removeItem(key) − Removes a specific key-value pair from localStorage clear() − Removes all ... Read More