396 Topics
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| | How can lazy loading improve web portal performance by reducing initial load times and optimizing resource usage? What are the best techniques to implement lazy loading in images, components, and data fetching using JavaScript frameworks like React, Vue, and Angular? How does lazy loading impact SEO and user experience?  |
 | Let’s learn from each other’s fails! What’s a mistake you made in your early days of web design—and what did it teach you?  |
| | This is a simple to use, self-contained website slideshow utility. Do you have a monitor or TV setup in your lobby where you'd like to present web content automatically? With this HTML/Javascript page, simply edit an array of pages or "slides". You define a title, duration, and URL for each … |
 | I wanted to post something in Daniweb for a while but I didn't had anything new. Recently I decided to write a new implementation for websocket connections client side using Shared Web Workers. Shared Web Workers are supported today by most browsers for desktop but few for mobile devices , … |
 | I am trying to open a camera on a browser with javascript i have this code and it was working yesteday but when i tried today to open through mobile its saying `NotAllowedError: The request is not allowed by the user agent or the platform in the current context.` <button … |
| | (Thank you Dani for approving this post!) Hi We are researchers from the University of Zurich, Switzerland, and developed a web application experiment for investigating ways to improve code review. If you have **javascript** knowledge, please help us in this **20 – 30 minutes** experiment by using the desktop version … |
 | Hi DW. I want to get a message only on that specific targeted tab id. If the messege is sent to tab id 2, it should run a script under tab id 2 to update that page displayed or for simplicity log on tab id 2 console the message. The … |
| | This html web page code, when viewed via mobile device, captures video from the mobile device. By tapping the page, the mobile video full screen appears, ready to begin recording. I'd like to find a way to reduce the dimensions of that full screen, if possible. I'm guessing it might … |
| | Connect your website you must first access HTML content on your website and add the icon. • Copy the pre-authorized icon in HTML content for your website • Then, go to your main page for AdSense to confirm the completion of this step. Copy this icon and paste it << … |
 | Hello, I would like to install an Angular Template on my web hosting, on a sub domain. I found several for free on google, but I have a white page when i try it on the browser. I am completely beginner on Angular. Do you know how to activate it?  |
| | hi hope you are all fine. When user login in my web site the table update in database that the user is online and when they click on logout the table updated in database that the user is offline, it working fine but the problem is that when user login …  |
| | Hi DW. Can someone with Windows 10 help me out by testing my library on Edge browser and open the developers console and see if there are any errors that are causing the library not to work on Edge browser. The library is http://iwpe.000webhostapp.com/iwpe This should encrypt your password on … |
| | Hello, I have been searching around the net looking for solutions to my problem, but none have worked. My issue is that when i redirect using: <meta http-equiv="Refresh" content="0; url=<?php echo $URL; ?>"> The hash tag part of URL gets removed by IE. So example.com/sample#foo will just load as example.com/sample. …  |
 | NOTE: Viewed and tested in MS Edge 25.10586.627.0 MS EdgeHTML 13.10586 https://jsfiddle.net/qgg86g7y/1/ As you can see in the fiddle, if 50 elements are displayed and calculated, a scroll bar will appear. 51 or more and the scrollbar will not appear, and scrolling is impossible. Is anyone else seeing this behavior? …  |
| | his is an example of creating a semi-dynamic pie chart without the use of server-side imaging libraries [url]http://www.surfare.net/~toolman/temp/diagram.html[/url] CSS Diagrams Things to Do With CSS When You’re Bored at Work [url]http://komodomedia.com/blog/index.php/2005/08/24/creating-a-star-rater-using-css/[/url] Star Rater Creating a Star Rater using CSS [url]http://komodomedia.com/blog/index.php/2006/01/09/css-star-rating-part-deux/[/url] CSS Star Rating CSS Star Rating Part Deux [url]http://www.jluvip.com/works/css/starvote/index2-1.html[/url] Star …  |
| | I have been wrestling with this subject for six months and can find no complete answer anywhere on the web or in any book seen. I have become very familiar with the debate and so it is not necessary to debate the following here. I had rather do all of …  |
| | Hi I have an iframe on my website and it will load new content inside of the iframe when a user clicks on a link. You never navigate away from the page. Is there a way to display the source of the iframe or the html file that is being … |
 | hihi, is there a way to rid of the page header (usually it's the page title and url) and the page footer (usually it's the page number and date) without having user to change from the web browser's the page setup ? Can this be done using javascript or just … |
| | I have a form where I save the data in a cookie with localStorage. This all works fine, but If clear (just deleting with backspace) the value of an input field or textarea so that the placeholder text shows up again and I refresh or come back at the page, … |
| | Hi, I want to distinguish whether the tab closed by clicking X or by another action (clicking a link, or a button which close the current tab). In Firefox - I followed the stack and saw that the function closing the tab (not by X) is called: onxblDOMWindowClose. BUT in … |
| | Hi All, This issue keeps reocccuring and I can not for the life of me figure out why. When I add ANY AJAX control to my ASP.Net project, I end up getting an error that a reference in the designer is not defined. For example, if I add an UpdatePanel, … |
 | I've been inspecting this and going crazy trying to figure it out, but I can't find what's going on with this menu of mine. The links and hover state are shifted lower and to the right on my site on this page: http://www.50allstars.com/2015/08/mega-menu.html But elsewhere (off my site) it works … |
| | Apologies for such a vage title, but I seriously don't know where the two issues I have are related to. My JavaScript/jQuery skill is on a noob level, so bare with me please :) I'm working on a AJAX/HTML5 History website which is a pet project of mine. It will …  |
 | WebSocket is working well for **ws://echo.websocket.org/** but not working on **localhost** I have working example, where WebSocket works for **ws://echo.websocket.org/** As follows, <!DOCTYPE HTML> <html lang = "en"> <head> <title>WebSocket Test</title> <meta charset = "UTF-8" /> <style type = "text/css"> h1 { text-align: center; } .error { color: red; } …  |
 | I need a help With this Program ,as I am getting Error in Tomcat Server While Connecting To the Web Browser .  |
| | If you use JavaScript for geolocation the first time someone uses it then his browser will ask for permission to send his location to the site where your web page is. As far as I can tell Chrome (PC and Android), Explorer (PC), and native browsers in Android devices only …  |
| | pls i need help from my friends out there.. i am gettin aform validation error in my contact page when i first try to load it using a webserver like xampp or wampp, else if i jus run with my web browser there is no such error .. here is …  |
 | Hello, I am trying to troubleshoot this problem using codeigniter. I am following a tutorial and getting this error after installing the ready-to-use-uncomplete-ci-script. Therefore, I still have to edit things out to make it work, which not all of them is being taught in the tutorial. ---------------------------- // all of … |
| | Hi folks, I just started working on a very interesting project as part of my university research for 3D visualization of earth's surface in 3D (not 3D modeling but real 3D!) using nVidia 3D vision in browser environment. I'm planning to use one of web-based javascript mapping platforms (like open … |
 | I need to ask question. I am sure it is easy once I figured it out or someone on here points me in the right direction. What I am trying to do is keep the header fixed and the parallax image at a default state is as it appears when … |
| | Hey guys, so I'm creating this webapp that creates a QrCode based on informations given by the user, decodes QrCodes and creates a log. I would like some tips, like QrCodes, Image processing, Getting SubImages libraries and API's. I'm using HTML5, CSS3 and JavaScript. This webapp will be able to … |
| | Hi I'm trying to end a user's session when they close the browser, because they never logout properly. I need to change a value in the db after they close the browser only. <script type="text/javascript"> window.onbeforeunload = check; function check() { return "Are you sure you want to exit this … |
| | Hello, How can I modify contents of a web page (like text) and have it stay that way locally, even after refreshing and reloading the page from a hyperlink? I know you can use Javascript to modify information in a web page, but that is only temporary. I want to … |
| | I've recently upgraded to Windows 8.1 and IE 11. When testing my PHP/html/Javascript code, using Xampp, various display and processing errors occur. For example: a particular javascript function doesn't seem to even get get invoked; the javascript return function works differently; icons don't display correctly, etc. When I put the … |
 | I m new to javascript and I m little bit confused on how does a webpage read the actual script. let's say I have the folowing code: <script> vrijeme = document.getElementById("Label7").innerText; minute = vrijeme.substring(0, 2); sekunde = vrijeme.substring(3, vrijeme.length); alert("fuck you"); var start_time=setInterval(secondFunction, 1000); function secondFunction() { sekunde = sekunde … |
| | Hi, How to enable proxy through javascript. when you apply a proxy in IE or any other web-browser it doesn't apply the proxy to javascript. I need to know if there is any method to force javascript run through the applied proxy in web-browser. Thanks |
 | Alright so I want to Display a Browser Not Supported Message if the user is using IE 9 or less. Yes, I am limiting the users, I know. I want this done in JavaScript ONLY. Anyway, I have found a way that checks for IE. If 'ie' = null the … |
| | I problem AJAX jquery. How block run AJAX from console.log EX test on localhost: **file index.html:** <script src="http://code.jquery.com/jquery-1.9.1.min.js"></script> <script> $(document).ready(function(){ var btn = $('button'); btn.on('click', function(){ $.ajax({ url : 'process.php', type : 'post', data : {id : 1}, success: function(data){ console.log(data); } }); }); }); </script> </head> <body> <button>CLick</button> </body> … |
 | There is little bit problem in my website viewing in Chrome browser. Navigation bar blinks or sometimes gone or colors tabs gone. How to solve it? It happens only in chrome browser. You can see it here http://theshortstoriesonline.com/pixie/ Thanks |
| | Howdy, How can I disable Javascript in Firefox (version 27 and 28) on Windows ? There is no checkbox on the Content tab as I read on other forums ! Regards from Begueradj |
| | Hi All, I have a ajax call in script like below - function testMe() { $.ajax({ type: "POST", url: "http://3.84.46.104/tloken/test/testAjax.php", // data: "ajax=1&elem=" + elem+"&clicker="+clicker, data: "ajax=1", method: "POST", success: function (html) { alert(html+' >>'); return false; // var response = html.split('@'); // document.getElementById(elem).innerHTML = ""; document.getElementById('cmbxCategory').innerHTML = ""; document.getElementById('cmbxType').innerHTML … |
 | Hello I was hoping someone would be kind enough to assist me with a major problem I'm having with firefox. I'm running a Mac OS X 10.5.8 platform from a Macbook Pro and was using a very old version of the web browser firefox - version 3.6.23 to be exact …  |
 | As I spend time in the Daniweb forums, I see some questions that ultimately come down to the issue of manipulating JavaScript data and a user interface on a website. When you build a GUI that lets your user view, add, edit, and delete data, a common approach is to … |
| | Hi, This error must be silly but i just can't seem to get over it for a day now. The following code tries to fill up an image array, and then "do something" with it. The problem is that I get an undefined error for the use of icons[i].src the … |
| | Hello, I am trying to load a background image onto my canvas without having it show up on the page itself. So I've defined a bg parameter and applied the local resource to it, and then tried to use the drawImage method to apply it to the canvas, but nothing … |
| | The following PHP code works fine with javascript in Internet Explorer but fails in Firefox. Javascript is enabled in Firefox. It appears that when the button/icon is clicked, it enters the javascript function, but doesn't change the icon on the page. It also seems to return to the PHP code/page … |
| | Hey daniwebbers, I need to have some Javascript done, and since I'm not a coder myself I thought some of you might have time to help me out! Basically, I need a script that contains a single-line user input form. When the user then clicks a button - which I … |
| | The cookie is not holding and the domain example.com cannot redirect to a.example.com when I type on the address bar. Anyone good at cookies? Any help will be very much appreciated. $(function(){ var city = getCookie('city'); if(city !=null && city !=''){ window.location.href = 'http://' + city + '.example.com'; } $('#citygo').change(function(){ … |
| | I have this ajax request. $.ajax({ type: 'Post', dataType: 'json', contentType: "application/json; charset=utf-8", url: 'https://********/***/*******.asmx/Login', data: "{ userID: '" + userName + "', pwd: '" + password + "' }", success: successCallBack, error: failureCallBack }); Problems is this works fine in older chrome browser. Eg. 20.XX.XX But it does not …  |
| | I have a bit of script for a footer section that is to expand up, when the user rolls over it - and go back down, when they are not over it. Everything works fine, it seems. But not quite in Internet Explorer. The content inside of the three "ie-curves"-classed … |
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