Yes, it is possible to validate the size and type of input type = “file”. Use jQuery to get the desired result −                                                        $(function(){             $('form').submit(function(){                var val = true;                   $('input[type=file][data-max-size]').each(function(){                      if(typeof this.files[0] !== 'undefined'){                         var max = parseInt($(this).attr('max-size'),10),                         mySize = this.files[0].size;                         val = max > mySize;                         return val;                      }                   });                   return val;                });             });          

To escape single quotes, use json_encode() to echo arrays in HTML5 data attributes.printf('', htmlspecialchars(json_encode(array('html5', ...)), ENT_QUOTES, 'UTF-8'));Or you can also using built-injson_encode(array('html5', ...), JSON_HEX_APOS)

You can try the following code snippet to display video inside HTML5 canvas.var canvas1 = document.getElementById('canvas'); var context = canvas1.getContext('2d'); var video = document.getElementById('video'); video.addEventListener('play', function () { var $this = this; (function loop() { if (!$this.paused && !$this.ended) { context.drawImage($this, 0, 0); setTimeout(loop, 1000 / 30); } })(); }, 0);

A Single Page Application (SPA) loads the resources required to navigate throughout the site. This is for the first page load and SPA is a web application or website.The content loads dynamically when your site’s link is clicked and the user interacts with the page. On load, the data stored in the tracker updates as well.Update the trackerga('set', 'page', '/new-page.html');Record pageviewSend a pageview immediately after the tracker updates −ga('send', 'pageview');

Application cache on Safari has no limit on storing data, but for mobile Safari the rues are different.The upper limit is 5MB.On mobile safari, the local storage and session storage are 5MB each. On WebSQL, a user is asked for permissions but you cannot store data any more than 50MB.With the latest iOS version, if a web app needs more then 5MB of cache storage, a user will be asked if it has permission to increase it. This is done so that the user can manage own memory space.

In this article we are going to learn about is it possible to have an HTML canvas element in the background of my page. You might try adding a CSS style with a position: fixed (or absolute, if applicable) to the canvas so that any material that comes after it will sit on top of it. To get better understanding on is it possible to have an HTML canvas element in the background of my page, let’s look into the following examples… Example 1 In the following example we are using the position: absolute to apply CSS style to the ... Read More

The leading zero issues may arise when you want to add an international phone number.To solve this −On iOS, the numeric keyboard appears with only numbers.On Android phones, the "tel" is rightly interpreted but not the pattern.You can also use −

To place the WebBrowser control into IE9 standards, you need to add the following line in your HTML web page −You can also try this for Internet Explorer 9 −You can also try this for Microsoft Edge −

In this article we are going to learn is how can I invoke encode URI component from angularjs template in HTML. Each time a certain character appears in a URI, the encodeURIComponent() function replaces it with one, two, three, or four escape sequences that represent the character's UTF-8 encoding (will only be four escape sequences for characters composed of two "surrogate" characters). Syntax Following is the syntax for encodeURIComponent encodeURIComponent(uriComponent) Uricomponent Any object, including a string, number, boolean, null, or undefined. The uriComponent is transformed to a string before encoding. Let’s look into the following example for getting better ... Read More

The schema.org SiteNavigationElement extends WebPageElement. It is used to mark-up links that would make amazing contextual links.                    Home page                              My demo page