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  1. Hi, I am a beginner web designer and developer. Now I am learning javascript. But while learning I didn't understand the bitwise operators and how they works. In the below image how X converts to decimal? Please help as many experienced and professional web developers are present here. Thank you.
  2. Hi all, I would like to understand how JS/jQuery can interact with PHP to upload a status and a picture from the HTML5 canvas to Twitter. I set up a similar thing for FB and it works. I don't get how to do it for Twitter and I haven't found much about it. Could you explain to me how it works? I currently have this JS/jQuery code as a starting point: var formData = new FormData(), mimetype = canvas.toDataURL().substring(canvas.toDataURL().lastIndexOf(":") + 1, canvas.toDataURL().lastIndexOf(";")), blob = dataURItoBlob(canvas.toDataURL().split(',')[1], mimetype); formData.app
  3. I don't seem to get my head around the reason why the following returns TypeError: Object.values is not a function var input = '[a docs/my_pdf.pdf|here§my_class#my_id][img imgs/myimg.jpg|Alt title][g Artificial Languages][lang]HTML, CSS, Sass, SMACSS, SVG[y]7[/y][/lang][/g][p]Yes[/p]'; var RegEx = { 'tagClass': { '\§\s*(.+?)\s*[\§\|\]\#]': ' class="$1"' }, 'tagId': { '\#\s*(.+?)\s*[\§\|\]\#]': ' id="$1"' }, 'tagAlt': { '\[img.+?\|\s*(.+?)\s*[\§\|\]\#]': ' alt="$1"' }, 'tagTitle': { '\[a.+?\|\s*(.+?)\s*[\§\|\]\#]': ' title="$1"' }, 'tagSrc': { '\[img\s*(.+?)\s*[\§\|\]\#]': ' src="$1"' }, 'ta
  4. Hi everybody. First at all, I specify I'm French and I'm sorry if my English isn't perfect. I've chosen this forum because I didn't find a solution with many French forums. A friend has advised to me this forum to expose my problem. I would like to add an animation to my html page by using JS. Let me explain ; for the time being, there's only one picture <img> on my page, it's a candle image. I would like to add an animation by using JS (or something else it doesn't matter) giving the impression of being near to the flame, if you know what I mean. I don't want to see the flame's mo
  5. Hello, while reading the tutorial about js i found this paragraph: According to Stack Overflow fullName is not a function, because the result depends on the state of the object and is not always the same. Maybe you need to correct this or be more precise with your definition of a function.
  6. Hi, As you know, there is W3C markup validation service. Is there a reliable validation service for PHP, MySQL, JS (other than Chrome's console), and CSS?
  7. Hi, For all pages, there is a language link in the header that is created with the help of a jQuery link. For only one page, however, there is another jQuery link (besides the first jQuery) to make a text collapsible/uncollapsible. I placed both links along with their associated js files before the closing body tag. All pages are fine, except the one having the two jQuery links--it has resulted in the disappearance of a text of another anchor link in the header not related to any function of the jQueries. It seems that the jQuery affecting the language link (anchor) is also affecting the othe
  8. <php at the top of page> <followed by an html tags, then by below php> <?php include ('./includes/footer.html'); ?> <script type= "text/javascript" src="http://code.jquery.com/jquery-2.1.4.min.js"></script> <script type= "text/javascript" src= "./js/collabsible.js"></script> For one odd page of the website I wanted to have collapsible/uncollapsible text using jQuery, so I placed the relevant scripts at the bottom of the page as seen above. It works. But in a previous communication it was stated that the ideal place for inclusion of js/jQuery script
  9. Dear all: I have just started learning js and jQuery. I am confused about browser support to js. On one hand, there seems to be a general agreement that js is the most popular language for website design. On the other hand, It's stated that js is not equally supported by browsers, especially old browsers, and that some user browsers might even turn down js. jQuery is a better alternative for browser support. Is this true about problems in js' browser support? And if it is, how could a language with such a draw back become the most popular?
  10. Dear all: I know it is not usually normal to make double links of any file, however, since jQuery library can be linked to the page via the internet or locally, can we do both linking to achieve guaranteed loading if one fails and to make sure that getting the first link of the two would mean a faster loading? Is there any harm of doing so?
  11. In a js tutorial of w3schools it is mentioned that calling a js file is done either in the head or body; if in the body, it is preferable to be at the bottom to avoid slowing down page loading should the js loading is slow. Since the browser reads the page from top to bottom, it will hit the head first. Does that mean calling a js file at the bottom of the body is better than calling it in the head?
  12. Hey all i have following problem: I have a drag and drop editor which allow me to edit a URL, or allow me to edit a image trough a pop up screen. Now i want to change this so i edit the code of a image with URL (click able image). As you can see in the code below, everything works fine. Except it only shows 1 attribute So when i remove the <a></a> tags it shows the image url When i remove the <img></img tags it show the website url when i enable both only 1 shows up (website url) Anyone with a bit more javascript knowledge knows whats wrong ? Java
  13. Dear all: I am intending to use jQuery for an FAQ collapsible/uncollapsible text. Because my FAQ will contain essential information, I am keen to have it visible to everybody. Is there any limitation in relation to browser support of jQuery that I should be aware of?
  14. Dear all: May I kindly request a help in providing a nice code for collapsing and expanding a block of text, e.g., blah blah blah read more... then at the bottom of the expanded page a way to collapse the block to original status. I searched the web and found some code in js, a language I don't know. Can that be achieved in PHP or html?
  15. Hey all, I have the code which display the result in a box, however i want to alter the code so it stores the result in a php session instead of displaying directly. //Preview$("#newsletter-builder-sidebar-buttons-cbutton").click(function(){ $("#sim-edit-export").fadeIn(500); $("#sim-edit-export .sim-edit-box").slideDown(500); $("#newsletter-preloaded-export").html($("#newsletter-builder-area-center-frame-content").html()); $("#newsletter-preloaded-export .sim-row-delete").remove(); $("#newsletter-preloaded-export .sim-row").removeClass("ui-draggable"); $("#newsletter-preloaded-export
  16. First of all, sorry if this is an inappropriate place to post this thread but I don't really know a better place to post it. This isn't any full time job, more of a partnership. I'm sure for a skilled programmer this would be rather easy.. But I am not one, which is why I'm looking for help.I want someone who can program games, such as a coin flipping game, slot machine game and games like blackjack (although, I have a coin flipping and slot machine game coded, just not by me) and integrate them with the Steam/CS:GO API, allowing users to log in, send CS:GO skins/knives (which can be
  17. hi , i try to write a function that provide to change the image when i click on it: <body> <script> function hide(){ if (document.getElementById("image").src == "arrowup.png"){ document.getElementById("image").src = "arrowdown.png"; } else { document.getElementById("image").src = "arrowup.png"; } } </script> <img id="image" onclick="hide()" src="arrowdown.png" width="30" height="30"/> </body> but it doesnt work , what is the problem, please????
  18. hi! i'm new to HTML but i can programme with c,j2EE and JS , i want to know if there is a way to run my code in an html page, (i mean doing an application inside the HTML page);
  19. So I am learning JavaScript, and I come across this (which is one of the first things I learned about JS from your website, thank you). The first "method", if you call it that, which you show is the .innerHTML method to change the interior of an HTML element, given a named id. I have since learned other methods to be used with it, such as .value and .style. But I have never seen a comprehensive list of all the methods that can be used with this command. Either I'm not looking in the right place (which is entirely possible), or it's just not there. Since this is supposed to be a comprehens
  20. Hi everybody! I just made this slider in an object oriented fashion. I would like to know how I can improve the script. Thank you! var Slideshow = function(element) { var totalWidth = 0; this.slider_wrap = element.find('.slider_wrap'); this.slider = element.find('.slider'); this.slide = element.find('.slide'); this.first_slide = element.find('.slide:first'); this.slider_controls_prev = element.find('.slider_controls_prev'); this.slider_controls_next = element.find('.slider_controls_next'); this.all_slides = this.slide.each(function(){ totalWidth = totalWidth + jQuery(this
  21. I used a .js to avoid landscape view from mobile device. I edited a white full-screen image saying "this site is not thought to be viewed in landscape mode, please turn your device" to be shown each time I rotate my device from portrait to landscape. It works except when I load a page and I'm already in landscape mode. Any idea on how to fix it? Thanks <script>(function() {'use strict';var isMobile = {Android: function() {return navigator.userAgent.match(/Android/i);},BlackBerry: function() {return navigator.userAgent.match(/BlackBerry/i);},iOS: function() {return navigator.userAgent.ma
  22. I could use some help with the following problem: I have a contact formwith validation and it works fine. But there are 2 things that I would like to change: 1. The error messages are displayed in an errorlist at the top of the page. I would like the error message to be displayed in the formfield ( I tried that with placeholder, but that didn't work out) or other wise under, on top or at the and of each form field. 2. I would like the border-color to change to green when it is correctly fild. What is the best way to do that, with Jquery or a separate 'class' and css. (If I am right informe
  23. Ok, Hi everyone. I found this awesome and simplistic shopping cart on codepen.com BUT I do not know how to make it work .... :(TO begin with here is the link for it: http://codepen.io/bartveneman/details/KHxLGI am using Dreamweaver to make my website. So I copied it all, made sure that the links between my html, css and js are working fine and it still does not work. My problem with it is as follows: I did a copy+paste on it cannot shows me the cart without any items. I do not know how to add items without ruining the JS which will calculate things like total price, subtotal, etc. Things tha
  24. Hi guys, I need to work with "m³". The function in my script gets a value from a selection. I have 10 seletion options. It works fine with 9 of them, just the "m³" doesnt work. I read something about unicode, but couldn´t find the right one (if it exist für ^3). I also had a look at the w3 js pages (number, math), but that didn´t help too. if (abc == "m³") { var variable = "m³"; document.getElementById('show').innerHTML = variable;} Thanks for your hints, Chrex
  25. Hi guys, I use a very big form and my variables will be saved in a session. In most cases I´m fine with PHP. Until now I just use JS to hide and show some options. My idea is to give the user a selection (somewhere in my form). As soon as the user clicks on one of the selection options, the value of the variable shall appear as text below the selection options (not just in the selection options). 1. Idea - import the php-variables in my JS and work with it <script type="text/javascript">var test ="<?php echo $test ?>";</script> --> didnt work. I could wo
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