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.
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answer362
viewsJquery autocomplete inside modal
Hello I have a problem using jquery in a modal, out of modal the script works correctly but if I put the input inside the modal it does not work. <!DOCTYPE html> <html> <head>…
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answer35
viewsGenerate table of acquisitions that were performed Upload
I’m developing an ASP.NET Core application. And I was left with some questions, I was able to find some tutorials on how to upload pdf files, but now I need these files to be listed in a table for…
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answers112
viewsHow to update number of users online with PHP + jQuery
I have a file called processa_vis.php where brings the result of all ID with online status, until then all right and usually displays users online on the screen where I call the function. However I…
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answers181
viewsPosition a circular image in the center
I am creating a website and would like to position the image in the center. .circle { background-color: #aaa; border-radius: 50%; width: 150px; height: 150px; overflow: hidden; position: relative; }…
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answer67
viewsMake mobile like desktop
I own a section on my website that on the desktop presents the expected behavior, a row divided into 3, using col-md-4, on the desktop the behavior is normal, on mobile tried to use col-xs-4 to be…
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answer56
viewsJavascript problem
I have a problem with my javascript code: function() { var largura = document.getElementById('fundo').width; console.log("Largura da imagem:" + largura); try{ new Cropper.Img( 'fundo', { onEndCrop:…
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answer28
viewsBrowser blocking source rendering
I created custom fonts for icons using IcoMoon, and I’m using the Live Server as a "test server" on a simple website with the following technologies: HTML5 CSS3 JS VANILLA BOOTSTRAP When testing the…
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answer75
viewsHow to Mount Grid Bootstrap
I’m trying to build a grid using the bootstrap doc but it’s very confusing! The maximum width of the iframe that loads the Forms is 868px. This is a simulation opening on the tablet standing and…
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answers89
viewsMove body along side menu
I am creating a code, where it has a side menu that when passing the mouse over this menu it expands to the side. But the problem I’m facing is that when the menu expands to the side, it’s covering…
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answers367
viewsCan’t you use onclick in a select option?
I have a script that when clicking on a specific option would call a function in javascript with onclick, but this script is only working in firefox desktop in other browsers does not work, I’ve…
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answer785
viewsHow to insert foreign keys in PHP, so I can have a control when pulling the VIEW
I am doing a project, where employees registered on the site (corporate), can register: Errors and Customers who had these errors (In case it is a support company). I need PHP to do the Foreign Key…
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answers59
viewsAdd Account in Array and View information in a Table
Can you help me with a code? I need you to enter information in two Array through two different messages prompt whenever the "Add Account" button is triggered and, as soon as the "Show Accounts"…
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answer47
viewsError mounting String with parameter . NET
So guys, I’m developing a project with . NET Core Razor, and I’m assembling a string there, as follows: string TotalInformacoes = ""; TotalInformacoes += (!String.IsNullOrEmpty(cl_1.Trim()) ?…
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answers110
viewsError calling Java Script in HTML
Ol, I’m doing a content load other pages without updating the masterpage with AJAX as follows: Line that I click <li id="pag1">Pag1</li> Script $("#pag1").click(function(){ $.ajax({ type…
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answers59
viewsHow to create a height div with a prescribed value that decreases when redirecting the screen
I’m having difficulty creating a div in which the width is 580px with the 767px media query, when I decrease the screen the div remains fixed at the same height value. How do I get gif to follow…
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answers144
viewsField 'photo' doesn’t have a default value
I’m trying to make a insert from a photo to my database but every time I finish filling the fields and enter the error: Field 'foto' doesn't have a default value I couldn’t find out if the lack of…
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answers132
viewsHow to update to change a table-specific row
How do I change this table? I’m a beginner in PHP/MYSQL and I’m not sure how to change it. Once the person clicks on the "change" icon, they should be routed to a page, which should pull the id of…
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answer48
viewsHow do I insert a new row between two other rows of a table with jquery?
Good morning! I have a page with a table, which is generated by the database. I need to insert a new row through a button, however, I’m having difficulty inserting this new row enters two other rows…
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answer153
viewsJava Script does not inject HTML correctly
Good afternoon, I am making a website apênas with pure Html5 and Css3 and in it has a menu, however I want that menu stay fixed in all other pages and then not to need to copy and paste the code in…
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answer38
viewsHow do break the children aligned with flexbox?
How do I get kids 4 5 6 below 1 2 3 when the site is in tablet mode ? <!DOCTYPE html> <html lang="pt-br"> <head> <title>flexbox</title> <meta charset="utf-8">…
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answers72
viewsMix of CLASS and ID in HTML and CSS
I took the test of the IFSULDESTE competition of Minas Gerais organized by the CEFET-MG Foundation and I have doubts about the following question: 8 - Consider the code of the following HTML page.…
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answer70
viewsHow do I align the input with the buttons - and +?
.counter svg { left: 14.78%; right: 82.29%; bottom: 45.02%; fill: #2f3676; …
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answers13
viewsNavbar collapse does not close when staying in Bootstrap mobile size
I’m trying to make a responsive Nav bar, but when leaving it in mobile size, when I click on the "burger" it opens and displays the menus, but does not close, someone can help me? <html>…
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answer146
viewsdrag Divs/lessons and get Div’s position
I am developing a course platform website, each course can take many lessons. In the database, each class has a column called position, then for the end user, simply make a listing in order of the…
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answer116
viewsEdge some of thead th when giving scroll (scroll page)
Currently I have a table fixing the thead th at the top of div, but when scrolling (scrolling the page) add the edges of the th. I need that when giving scroll continue with the edges.…
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answer808
viewsHTML5 and Javascript - Multiple Play/Pause Videos
Talk personal all right? I have a page where I have 2 videos in HTML5, I’m not even using another player. I would like to know how I can make it so that when I click on a video and others don’t all…
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answer115
viewsTwo radio input dialing in the same buged form/header padding
All right? So, I have a problem, I have a form with 2 radios... It is to mark one or the other, but you can mark both... Here he is: <div class="budget-wrapper"> <header> <h1><i…
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answer51
views<footer> only occupies the first 3 columns created in the CSS Grid. How do I occupy the 4 screen columns?
body { margin: 0; padding: 0; box-sizing: border-box; background-color: white; } div.container { display: grid; grid-template-columns: 3fr 1fr; grid-template-rows: 20vh 70vh 10vh;…
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answer43
viewsHow to replace with null or blank values
Problem: When the customer clicks to send the request the system takes the product selected and the dimensions of that product. Only not all products have box or is any other feature of the same.…
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answer199
viewshow to add an if inside a . append() in Jquery
Good afternoon dear, I have an append that creates a dynamic list, however I need to do an if when it selects an option in specific it activates the if condition that returns a modal, I don’t know…
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answers153
views"Javascript function calling child functions"
Fala devs blz? next, I need your help. I’m new at js. next i have js functions that are on the onload of body (automatically run all when the page loads). but I think it gets polluted mt extensive…
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answer73
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answer63
viewsDjango, special characters for HTML with content saved in the database
Good morning, I have contents saved in HTML database: Field: content <p><img src="/media/django-summernote/2019-08-26/2ed93bb9-8293-4b98-9ccb-eeba931421b5.png" style="width: 255px; float:…
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answers200
viewsTag OBJECT html does not load PDF mobile content
I have a problem using the html Object tag. The documentation says it has support, but when trying to load the pdf on mobile, it does not load, only on the desktop. I tried with image to see the…
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answers32
viewsError opening multiple calendars with Javascript!
Good afternoon guys, My question is that my table comes with comic information and connects in the view by an append, I added a calendar to them. append code: $("#table"+data[i].date+"").append(…
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answer38
viewsHow to solve the problem , the value of the variable I receive from the HTML Input gives me the Nan value
function InicirContagem(){ var vinicio = document.getElementById('txtInicio') var res = document.getElementById('Resposta') //var vn =…
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answer57
viewsDoubt with variables and display in the list with PHP
I wanted to know how I could display this data: <?php // session_start(); include("conexao.php");//chama o arquivo que faz a conexão com o banco $sql = mysqli_query($conn, "select * from usuarios…
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answer180
viewsSpring Boot 2 - How to associate the controller with the web page (redirect)
Save everyone, I’m starting with Spring Boot 2. I still can’t understand how to associate the controller with the web page. I’m creating the html files in the package:…
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answer64
viewsUPDATE does not work with data from a POST
I am getting the data from a POST and trying to update a mysql table, but UPDATE does not work at all. If I use as described below, just replace the values with empty. <?php…
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answers17
viewsGradient between image tag and gray background
I’m creating a project and I wanted to make a gradient between the background image and the dark gray background that’s just below, someone knows how to do that? My current code is: @import…
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answer21
viewsMy site creates two scroll bars when resolution on the X-axis is decreased
My site creates two scroll bars the main one and another in the div that contains the image of the posters of the films when the resolution in the X axis is decreased. Someone can help me solve…
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answer368
viewsRaintpl does not render HTML
I’m having a problem using Raintpl, it doesn’t render HTML on the page. //Função que eu pego os dados do banco e retorno. public static function listAll() { $sql = new Sql(); return…
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answer105
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answer36
viewsIs there an XHTML5?
I ask this question because based on two other questions I did not understand a solution. The first would be this: When to use the xmlns attribute in the html element? In this case, the accepted…
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answers44
viewsShow / Hide in a form when clicking an input radio
I made a code that for some reason is not working it should work as follows. When I click on input radio plegal entity it must open the form of legal person and when I click person must hide the…
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answer124
viewsInsert button in front of a pagination
I created a pagination so that the return of my API would be better performing at the moment it is rendered on the screen, the question of adjusting everything ok, however, on this screen I work…
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answers74
viewsAlign table data in different fields
I am working with a card that will work to return data like (today, current month, day yesterday and anyway), but I would like to leave the day equal to image, I could not using tables, follows the…
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answer268
viewsContador Javascript
Hi guys I’m not knowing how I put an if’s dentros counter every time I have an approved or disapproved for later I show in a table the amount <script> function calcula_media(i) { var n1 =…
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answers84
viewsHow to remove summernote style
Hello, I’m using summernote and putting a width on a div only when I save my style just disappear and it puts another one in place. I will send photo and also my html code. <div class="div-btn"…
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answer114
viewsHow to add two input text fields?
I am unable to add the value that are added in two input text fields. I have an HTML table that columns have fields to fill, the last field is the sum total of the other fields. But I’m not getting…