Most voted "html5" questions
HTML5 (Hypertext Markup Language, version 5) is a generic term for recent web technologies (HTML, CSS, and Javascript). It is also the latest iteration of the HTML Recommendation scheduled for 2014, and featuring new elements and Apis.
Learn more…3,881 questions
Sort by count of
-
2
votes1
answer473
viewsrecord time in Postgresql database
In the application I inform the start and end time of the activity, and save this information in the bank. Segue Query: $status = $_GET['status']; $intervalo = $_GET['intervalo']; $dataini =…
-
2
votes1
answer354
viewsSave checked checkboxes and load them when page reloads
I would like the checkboxes that have been marked to be saved and loaded whenever the page is reloaded or opened again, in addition, in their place there will be icons referring to the options. I…
-
2
votes1
answer1524
viewsModal that opens only the first time
I’m new here, I have a modal that opens automatically, I wanted to make it open only the first time for the user. I see you have a way with cookies. It’s just that I’m pretty layabout with jquery…
-
2
votes1
answer55
viewsCOLUMNS Distribution Problem in CSS3
I’m following the tutorial on w3school, he is inserting the items, one below the other and not on the side (inline) ! According to my code it should be on each other’s side: CSS * { box-sizing:…
-
2
votes2
answers362
viewsProblem with bootstrap responsiveness
I’m having trouble aligning the responsiveness of my dashboard. Here’s an image of how it looks on large screens. But if I lower the screen a little bit it shuffles like this: Below the code snippet…
-
2
votes1
answer690
viewsValidate password strength in front-end
Good evening, everyone, I need to validate the password that will be typed in the input simultaneously to the typing of this, that is, I need to validate with javascritp. I have 3 Divs and texts…
-
2
votes1
answer1255
viewsHow to remove the row that separates the columns in an html table?
I would like to know how I can remove the row separating the columns from this table. table { font-family: url('../fonts/Lato-Regular.ttf'); border-collapse: collapse; border-radius: 4px; width:…
-
2
votes1
answer122
viewsSynchronization of 2 html/css animations
I need to make my burger menu that has an animation totally made by html and css is synchronized, IE, when I press on it both animations will happen... The code I’m using is this HTML <nav>…
-
2
votes1
answer925
viewsHow do I stop the video when I close Modal?
When I close the modal the video keeps playing, as I do for the video to stop when I close the modal? <!DOCTYPE html> <html lang="en"> <head> <title>Bootstrap…
-
2
votes2
answers175
viewsInput does not track col-Md-8 size
I’m training in creating Forms, and I’m making use of bootstrap in it, mainly from <div class="row"> and <div class="col-md-4">. However, when I put only two elements on the same line,…
-
2
votes3
answers285
viewshtml/javascript clock does not appear
I’m trying to make a digital clock appear on the screen, but the browser does not return anything. <!DOCTYPE html> <html> <head> <title>teste</title> <meta…
-
2
votes2
answers843
viewsLock Radiobutton when selecting another radio button
Good afternoon. I have the following question. I must block the other radio Buttons by clicking on the radio button of the first check. Therefore, by clicking on the radio button prioritity1, the…
-
2
votes1
answer183
viewsSelect array to save
Making an array of selects using multi-select, but select them is not communicating, when I select one appears in the json, but when I go to select another subscribes those I selected. I’m using…
-
2
votes1
answer19
viewsInformation exceeds the display location
I have 2 rectangles on the screen that serve for data to be displayed inside them. But when you have a lot of information, the data exceeds its size. I want to make sure that the data does not…
-
2
votes2
answers949
viewsIs it possible to return the Javascript result in HTML with Javascript only?
How can I return the result of this code in HTML: The main function of the code is at the end of the code... //estrutura do problema. var problem = { init_state:"III", end_state:"VIII", action: […
-
2
votes0
answers47
viewsPixel breaking creating false edge
I don’t know how to explain this situation. I created a tooltip using both CSS3 and HTML5 only. In normal size (100% zoom), on the left, the elements are blurred and it appears that there is an edge…
-
2
votes1
answer4844
viewsVertical Alignment Bootstrap
Hello, I’m creating a bootstrap 4 site. By trying to center a section of my site vertically, it just doesn’t work. I tried to use several ways to center the text (flexbox, custom css, ...), but…
-
2
votes2
answers6101
viewsHow to border images using Html5+css?
The code developed until fractionated group is here if you need the complete code will be in Pastebin HTML: https://pastebin.com/9k1Xd9MC <!DOCTYPE html> <html lang="pt-br"> <head>…
-
2
votes1
answer61
viewsI wanted to put an Alert on my login screen
I wish that when I hit login and my password or registration, did not match what is not in the bank he of some Alert. here is the model <?php include 'usuarios/usuario.php'; class ModelUsuario{…
-
2
votes2
answers933
viewsI wanted to show an Alert after a form has been sent, PHP, JAVASCRIPT, HTML, AJAX
I’m in trouble, where my form is being sent to the bank but in Alert appears alert("erro ao enviar formulário");. <?php if(!empty($_FILES['uploaded_file'])){ $username = 'root'; $password = '';…
-
2
votes1
answer52
viewsHTML5/CSS3: How to fix an unordered list item at the end of all items
/* Nav retratil */ /*=================*/ #something, nav ul li, inputr, nav ul input:checked ~li label.abrir { display:none; } nav ul input:checked ~li, nav ul li.fixo, li.abrir { display: block; }…
-
2
votes1
answer169
viewsHow to have two checkbox components inside a Row with a title
I’m a beginner in HTML/CSS/Bootstrap and I have a question about how to put two checkbox components in some type of container with a title. Am I doing it the right way or is there a better way to do…
-
2
votes2
answers190
viewsHow to use a border image (or character) via CSS?
I have a tag <p> with text inside which I would like to use the key characters [ ] as an edge for this text. Code: .indicacoes { font-family: 'AmaticBold'; font-size: 40px; margin-top: 30px;…
-
2
votes1
answer71
viewsIn CSS what are Implicit or Explicit properties or attributes? What is the difference between an "Implicit Grid" and a "Explicit Grid"?
I’ve been hearing a lot about CSS Grid Layout https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_Grid_Layout The Grid Layout is built from the display:grid, and I have often heard the term…
-
2
votes1
answer825
viewsWhat are max-content and min-content width values and how do they work?
I recently came across these two values for the width of an element, however I did not understand how to use them and what they serve... That’s what the Mozilla documentation says, but I don’t get…
-
2
votes1
answer125
viewsHow to leave the date with Brazilian standard in Codeigniter 3?
Folks I’m developing an application that picks up the registration date from the register. But it’s picking up the date with American standard YYYY/mm/dd as I fix it in codeigniter ? Follow example…
-
2
votes2
answers674
viewsWith CSS is it possible to merge two Images?
I saw this and wondered if it would be possible to merge two images with CSS only. Is there any way to control this partial transparency of one image over the other, or of an image over a background…
-
2
votes1
answer74
viewsProblems with date transformation function
$data = $_POST["data"]; // Recebe a variável com a data, e cria um objeto DateTime a partir do formato especificado. $objetoData = DateTime::createFromFormat('d/m/Y', $data); // Reformata a data do…
-
2
votes1
answer28
viewsScale image and hide caption with jquery and css3
Talk personal, I have an image zoom problem and hide the caption itself, in the image’s Hover I increase its scale in css, already in jquery I hide the caption, but when scaling, the images next to…
-
2
votes1
answer31
viewsHorizontal scrollbar being rolled by vertical scrollbar
I’m doing a little test with the scrollbar of Chrome Canary 74 on Android. I read a lot about it, but I didn’t get results for the mobile device, and since I don’t have a pc, I use Web Aide to…
-
2
votes1
answer88
viewsLaravel 5.7 - Side bar control via Controller
I’m developing a site that contains a sidebar that will show some information to users. This information is in a database, so I have to access it via controller and then send it to view. It turns…
-
2
votes1
answer65
viewsHow do I access the brother element to open the side menu
When I was doing like this: * { margin: 0; padding: 0; } .fa-file-excel { color: green; background-color: #f9f9f9; } body { background-color: #f9f9f9; } header { height: 50px; width: 100%; position:…
-
2
votes1
answer625
viewsCSS gradient background works horizontally but not vertically
The replica of the code: https://codepen.io/utamo/pen/XoyzWN when applying on the body: background: linear-gradient(to right, #33ccff 0%, #ff99cc 100%); I have the following result but when…
-
2
votes1
answer144
viewsHow to reverse Rotate with javascript?
I’m trying to make an animation with pure javascript, and I’m using style.transform = "rotate(" + ang + "deg)"; to do this. My intention is: when it reaches an x position, it goes back…
-
2
votes1
answer73
viewsSebrepositioning
I have the following problem and wanted to know if there is a solution for this I did the styling of the text in CSS everything ok but when I do the selection of the text with the mouse the text is…
-
2
votes1
answer351
viewsIs there a Javascript function to capture mouse click?
This is my first post and I have a question. I am working on a dropdown menu that acts based on user click. This way, when clicking on one of the menu items, it descends presenting more information,…
-
2
votes1
answer190
viewsText tagged with <del> or <s>?
In a price list, where there are discounts, I want to "cross out" the original value of a product and show the discounted value, something like: For that I came across the tags <del> and…
-
2
votes1
answer120
viewsAudio only start when I reach a certain div
I’m developing a page that only has audio in certain texts. I want to make sure that the audio of the text only starts playing when I get to the text. It follows more or less as I wanted. (I don’t…
-
2
votes1
answer572
viewsRequired in select does not work if you change the order
If the empty option is somewhere other than the first position, it does not validate. For this ? <!DOCTYPE html> <html> <head> <title></title> </head>…
-
2
votes1
answer30
viewsShow HTML only from a div
I have a function that generates dynamic form, this form is loaded via a GET via Jquery and shows the form mounted on a div. I need to get only the source code of this DIV, someone knows a way to do…
-
2
votes2
answers2291
viewsHow to Decrease Card Size in Boostrap
Hello, I’m editing a boostrap template in race, but I’m not managing to organize a page with cards and columns. I would like to decrease the size of the cards so that they fit four per line. My…
-
2
votes3
answers140
viewsProblems with <Progress> tag stylization in CSS
I’m having trouble styling a tag <progress>. I can not change the internal color and the inner part comes out half "square", sometimes even exceeding the margin. How can I solve? On the left…
-
2
votes2
answers56
viewsQuestions on how to use javascript with visible and hidden fields
I have the following doubts: 1- In my code you have two options (CPF/CNPJ) and the options only appear when you click on one of the two, I wonder how I can do so that the Cpf option first appears…
-
2
votes1
answer240
viewsSmooth animation of the lower div after removal of the upper div
Follows code below. Basically I wanted the div.div2 had a smoother 'climb': <!DOCTYPE html> <html> <head> <script src="https://code.jquery.com/jquery-3.3.1.min.js"…
-
2
votes1
answer289
viewsHow to group radio Buttons
Hello, I’m wanting to make a way that these radio Buttons get the same name inside a form, but that are marked by question. Because I’m going to send this form to a PHP and pick it up there as an…
-
2
votes1
answer88
viewsPositioning <p> on one side and img on the other
I’m not getting my position <p> left and mine <img> right, and even worse the first label of my form rises above my header, how do I position ? <div class="container"> <div…
-
2
votes1
answer263
viewsHow to coclocar a "gallery" in a modal?
I’m trying to make a modal that when you click a photo gallery appears, with two columns but that stay centered and spaced, and also that the images get bigger, the way I did it was like this…
-
2
votes3
answers86
viewsHow to position the Text of a span below a Spinner
How do I position a centralized tag text below the spinner? It is positioned at the top left corner of the page... Thank you and a hug to all! <div id="cover-spin">…
-
2
votes1
answer92
viewsBackground-image css3 no Uncina
Good morning, everyone, I am trying to put an image as background of my html page but it is not working. Would anyone know to indicate the error of my code? index.html <!DOCTYPE html>…
-
2
votes3
answers351
viewsInvisible button after certain time
Guys, I have a VSL page with a button that directs to a Whatsapp, however, I wanted to make this button invisible for 10 minutes, before appearing, because I pass a video before. How can I do that?…