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Found 8894 Articles for Front End Technology
![Naveen Singh](https://www.tutorialspoint.com/assets/profiles/511236/profile/60_1602256-1662106429.jpg)
106 Views
Due to the fact that the browser doesn't need to download any font files because it is already using one, utilizing the system font of a specific operating system by default can improve efficiency. But it is true of any web-safe typeface. System fonts have the advantage of matching the fonts that the current OS uses, making them visually pleasing. There are some fonts from the Microsoft list that are also compatible with Macintosh Systems. Those are Andale Mono, Arial, Arial Black, Comic Sans MS, Courier New, Impact, Trebuchet, Verdana, Symbol, Webdings and Times New Roman The fonts ... Read More
![Naveen Singh](https://www.tutorialspoint.com/assets/profiles/511236/profile/60_1602256-1662106429.jpg)
288 Views
In HTML5, Microdata are used to nest metadata inside of already existing web page content. With this approach, machine-readable data may be easily inserted into HTML documents with a clear parsing paradigm. By using microdata, we may create our own unique elements and begin incorporating unique attributes into our web pages. Microdata is made up of a collection of name-value pairs. Items are a collection of name-value pairs, and each name-value property is referred to as a property. Regular elements are used to represent items and properties. HTML5 Microdata Global Attribute The following five global properties are introduced by ... Read More
![Naveen Singh](https://www.tutorialspoint.com/assets/profiles/511236/profile/60_1602256-1662106429.jpg)
207 Views
In the following article, we are going to learn about how to create a transformation matrix with HTML5. HTML5 canvas provides methods that allow modifications directly to the transformation matrix. The transformation matrix must initially be the identity transform. It may then be adjusted using the transformation methods. Using the transform() method The transformation matrix of the current context can be changed using the transform() method.in other words, transform() method lets you scale, rotate, move, and skew the current context. Note − Only drawings that were created after the transform() method was called will be impacted by the transformation. Syntax ... Read More
![Krantik Chavan](https://www.tutorialspoint.com/assets/profiles/13545/profile/60_126883-1512724834.jpg)
121 Views
While creating messageChannel, it internally creates two ports to send the data and forwarded it to another browsing context.postMessage() − Post the message throw channelstart() − It sends the dataclose() − it closes the portsIn this scenario, we are sending the data from one iframe to another iframe. Here we are invoking the data in function and passing the data to DOM.Examplevar loadHandler = function(){ var mc, portMessageHandler; mc = new MessageChannel(); window.parent.postMessage('documentAHasLoaded','http://foo.example',[mc.port2]); portMessageHandler = function(portMsgEvent){ alert( portMsgEvent.data ); } mc.port1.addEventListener('message', portMessageHandler, false); mc.port1.start(); } window.addEventListener('DOMContentLoaded', loadHandler, false);
![Naveen Singh](https://www.tutorialspoint.com/assets/profiles/511236/profile/60_1602256-1662106429.jpg)
18K+ Views
In the following article, we are going to learn about image buttons with HTML5. In this task we are making the image to act as a button, When the user clicks the button, the form is sent to the server. Let's look into it. What is image button Image buttons are created by placing tag inside the tag creates a clickable HTML button with an image embedded in it. tag By using the tag we can include an image on a HTML page. Images are not actually embedded in the webpages; instead, they are connected to ... Read More
9K+ Views
When you view a webpage containing canvas in different screens like that of mobile, pc, desktop or tablet, the size of the screen changes each time. So, it is necessary that the canvas resizes itself according to the screen for better user experience. In this article, we will learn how to resize an HTML5 canvas to fit the window. Let us first understand more about HTML5. HTML5 HTML (Hyper Text Markup Language) is a standard markup language for web pages. Using HTML, you can create your own website. HTML5 is the updated version of HTML with advanced technology used in ... Read More
577 Views
HTML5 canvas API enables the developers to write text on an HTML page in the different ways such as in a canvas. Different browsers provide various kinds of font sizes on the HTML5 canvas specially when the font sizes are floating numbers like 2.456 px, 3.4 px etc. So, how to apply fractional font size to a text in an HTML5 canvas? First, let’s see what HTML5 canvas is. What is a HTML5 Canvas? Basically, canvas is rectangular enclosed area in a web page. By default, it has no border and content. The canvas element of HTML5 enables the user ... Read More
1K+ Views
Suppose you want the browser to do complex calculations on web page on clicking a word. This will take time. So, the web page will become unresponsive until the operation is completed. You need something which will do the required operation silently without affecting the user interface. So, how to solve this problem. In this article, we will discuss about how to solve such issues. The solution is Web workers. But what is a web worker? Let’s see. What is a Web Worker? A web worker is an object consisting of Javascript codes which runs behind the web page ... Read More
1K+ Views
HTML5 canvas allows the users to draw or create 2D graphics in any web page. Suppose you want to crop a part of the canvas created on the web page and export it to any other area of the web page, then you can do it using javascript. For example, you have an image in the canvas and you want to export a part of image of dimension 400px * 260px. In this article, we will learn how to execute the above using few javascript codes. To learn further, let us first considering understanding what HTML5 Canvas is What is ... Read More
180 Views
While doing a print style sheet, you need various HTML5 tags like , , , etc., which are used for different layout options to your web page which is to be printed. Chrome, Firefox and Internet Explorer9 enables the users to use such HTML5 tags in their browsers. However, Internet Explorer 6-8, Safari 4x and other such older browsers does not support those tags due to which we can’t apply those layout options in the web page. So, how can we use those HTML5 tags in Internet Explorer 8? For this, you can use html5.shiv. First let’s understand about ... Read More