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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answer62
viewsHTML5 - Data-title with <a> Does Not Appear
Good morning, I have a problem with data-title, I need two speakers with audio names list (Playlist) and every time I click on an audio it will play. But when I create the second column, <a>…
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answer85
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answer360
viewsRead Filereader generated string in result function
Next I’m able to generate a string in base 64 but I can’t send it to my server, follow the code: $scope.cadastraFoto = function(){ var input = document.getElementById('fotoPerfil').files[0] var…
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answers381
viewsCss does not stay in HTML
How do I load this HTML with CSS on another device. On my pc it loads the normal css, but when I have a friend open it for me, I send her only the HTML file and only the HTML appears. How do I load…
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answer116
viewsAjax By Form Data= Variable Undefined
This is my form <form action='emails.php' method='post' > <input type='submit' value='Enviar para Email Selecionados' class='selecionados'/> </form> <div class='divtop'…
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answer69
viewsHow to block the suggestion list of an input text?
I want to block that list of suggestions that appears when you type something in a text field, someone knows how to do it?…
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answers44
viewsDifference between <!DOCTYPE html> and <html>
I’ve always used both in an HTML code, but I don’t know the real difference between them. Could someone explain to me the difference between and ?
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answers119
viewsPopover does not work when added dynamically by jquery
I have a div with various information and a Popover (Bootflat). When I add another div via jquery, the new Popover of the new div does not work. (div gets the correct formatting and Popover code is…
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answer205
viewsAdd dropdown to menu
Hey there, guys. I’m having a little trouble adding a dropdown to my menu. I’m using bootstrap and I already checked how to do it. But in mine, the class is different and when I change, the…
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answer1195
viewsHow to take the margins from the page? HTML/CSS
I’m new in the business. I’m trying to build a front for my current company. They asked for a prototype. I created a login screen, but the page has some default borders that I can’t take out. I want…
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answer35
viewsIs there any way to make a CSS code for a specific browser?
Next, I’m putting together a page that at a certain location I use a max-height, property that does not work on IE11. img { max-height: 45px; } To solve this in the IE specifically I can change the…
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answer121
viewsEmail form does not only work on smartphones!
Hey, guys! All right? This is my first post here. I’m in a bit of a silly problem, but three, four days ago! I started to develop recently and this is my first commercial project. It’s practically…
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answer38
viewsHelp with deleting record
I have my employee delete but gives these mistakes: "Undefined index: id in C: wamp www Sitephp base excluirFunctioning.php on line 6" "PDO::exec() expects Parameter 1 to be string, Object Given in…
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answers131
viewsBlank spacing does not leave the html document
Well, I’ve looked at several solutions like: *,html{ margin: 0; padding: 0;} / body, html{ margin: 0; padding: 0;}, but none solved the solution of the blank spacing on the page, follows the code…
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answers20
viewsCan I use the <Details> tag to compose a <Nav>?
It is possible to use the tag <details> within a <nav> as a dropdown menu? Or is not very semantic for SEO? Example: <nav> <details> <summary>Menu</summary> <a…
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answers16
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viewsAutomatic input
I am developing a login page with Cpf and password, I did several searches and did not reach any conclusion on how to put the automatic signals, for example... No input : Cpf when I type the number…
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answers19
viewsJavascript - Message before the user closes the page (without using onbeforeunload)
I would like to know how to display a message before closing the page, which in my case would be confirmation, as what happens on this site: http://processamentodigital.com.br/ So far I only found…
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answer147
viewsHover when selected an option in select
In the current code when I click on the checkbox the Hover is enabled for the letters and for the background I am trying, do this same effect but with select, when choosing a select option on the…
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answers74
viewsproblem with gallery to open and close elements
I am developing a photo gallery on my website, when you click on the photo appears a box with a text and a side image, explaining about the image follows a print Clicking on x closes normal however…
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answers17
viewsHow do I add a Thumb to my website?
how do I add a thumbnail to my site in html, like, so I type your url into facebook for example it would show a clickable image, the same way it looks if you type in the google address (it shows…
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answer47
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answers36
viewsquerySelectorAll does not work
I’m trying to pull some html tags to run my script, but I used querySelector and it didn’t work, below the code. I have several spans of this, I wonder how I solve, use the console and does not…
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answers138
viewsChange menu with CSS
I am developing an application where I would like when scrolling the page bar until half the page a floating menu appears that is fixed at the top of the page but I do not know how to do. Regular…
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answer25
viewsLeave first item in menu enabled
I’m trying to leave the first link of this vertical menu already activated, IE, it is already sample, showing the panel next to, and only changes when I move the mouse in others, I’m trying more I…
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answers12
viewsDoes viewport influence the use of the css touch-action attribute?
I’d like to use the pincer css (touch-action) event in a container, but I don’t know exactly why it’s not working in my container: css: .container { position:relative; top:0; left:0; z-index: 15;…
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answers58
viewsInput is not appearing checked
I have a input of which according to user data in your session it comes marked or not. The problem is that even the input owning checked="checked", he doesn’t come marked. Code of input together…
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answer605
viewsTable in html with excel classes
<!DOCTYPE html> <html> <head> </head> <body> <table> <tr> <th>Company</th> <th>Contact</th> <th>Country</th> </tr>…
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answers611
viewsRow hover and table column
I would like that by hovering over a cell in the table the column and the respective row of the cell change the background only to the cell. follows an example of how this and how I want it to stay:…
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answers13
viewsWhat does "user-credentials" mean in the crossorigin attribute?
Looking at the documentation of MDN on the crossorigin attribute it describes how CORS works and what if the attribute anonymous if no user credential will be sent, my question is: What is this user…
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answers1411
viewsOpen/Run input file - jQuery
How can I open/Run an input file using jQuery?! I have a php code that has the input file your css display:none;(Invisible), I need that when I click on an element, for example an image the input…
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answers782
viewsModify a button through an input
I wonder how I can change the name and the property of a button from the choice of an input (radio button). <h3>Criar novo usuário</h3> <p></p> <form class="m-t"…
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answers134
viewsHow to break a line within a link in Cakephp
I know it’s not right but I have a situation that I needed to do a line break within the link as attached image. I would like to work with the standard Cake but I had to do the line break by HTML.…
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answer59
viewsField for by subtitle file URL in Player
I’m working on a Webplayer and I need to create a field where the User can insert the URL of its legend and the same goes to the SRC of tag track... Think about input but I don’t know how to proceed…
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answers14
viewsHow can we draw numbers on two Cells in Javascript and the numbers cannot be equal?
I’m like a doubt. I created two cells in html with a button and did Math.Random to draw numbers from 1 to 10 in these two cells, only I don’t want equal numbers to appear, there can never be equal…
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answer3738
viewsDelete row from a table with javascript
I have a table with several elements (partners), and I need to make the delete button work. But every time I set the event the button erases all the elements and not just the line I want. <table…
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answer182
viewsBootstrap problem
I’m having trouble in index.html, but I don’t know how to fix it. It was for Mizuxe appear on the left but the opposite happens. Already my items: Home; About; Meet; The; Authors and Contact…
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answers238
viewsShow Alert or mobile error message
I have a website, and it has the registration and when the registration already exists it shows an Alert saying this (this Alert I did in js, but it was within php), but when I put the page to be…
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answers1448
viewsPass PHP variable in onclick="history.go(-1)"
I’m trying to create a button that returns to the form to fix it, thus keeping all the content typed in the HTML for the user to correct the wrong information, but sending a variable PHP so I can do…
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answers54
viewsHow to draw an OBB in Javascript?
I’m having serious difficulty designing an OBB. Follows the code: window.onload = function() { var canvas = document.getElementById("canvas"), context = canvas.getContext("2d"), width = canvas.width…
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answer1239
viewsChange date that appears on a datepicker
I have the following datepicker: var dataIni = document.querySelector("#calendarioIni"); var dataFim = document.querySelector("#calendarioFim"); function checaVazio(){ var botao =…
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answers91
viewsCopy <video> with its respective attributes
I have an HTML5 player using the tag <video>, only that I have the video (which is streamed via DASH protocol) to be loaded to the tag using a bookstore javascript. I need to have exactly the…
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answers1914
viewsShow table on page after clicking a button
I have the following table: <table width="100%" class="table table-bordered table-hover table-responsive table-striped" id="empenho_solicitante"> <thead> <tr> <th…
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answers265
viewsCreate Directive Attribute for Date Month/Year in Angular JS
How to create a date formatting Month/A I developed as code below, and it is not going through the console menus, IE, is not entering the link: Note: there is no error in the console. <div…
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answers40
viewsSelect chained HTML does not work properly
I have the following select in html <span class="IWLABEL11CSS" id="IWLABEL7">Órgão: </span> <select name="Distrito" size="1" width="180" class="COMBODISTCSS" id="COMBOFAB"…
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answers43
viewsChrome update Crashou Css
I have a problem with the css of my web application. I started working at this company a few weeks ago as an intern and I’m having to solve some bugs that have appeared, mainly related to google…
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answer186
viewsUsing PHP to send a reply from a form to my Email and is giving error 405 Not Allowed
Every time I click to submit the form gives this error! How can I resolve this? HTML 5 Form Code : <form class = "col s12 m4 offset-m4 l4 offset-l4" action="submit_form.php" method="post">…
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answer53
viewsGoogle extension Chrome shows no default popup
I started yesterday developing extensions for google Chrome, and followed how google sends: I declared my manifesto and added the popup page: { "name": "ODM Integration", "description": "Open…
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answers63
viewsPlayer with adium sent by the user
Good afternoon, you guys! I have a page that has an area that the user needs to add custom audios in each player. For the purpose I need, a playlist would not be as effective. It would need to be…
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answers893
viewsRetrieve label value from select HTML
I have the following select: <span class="IWLABEL11CSS" id="IWLABEL7">Órgão: </span> <select name="Distrito" size="1" width="180" class="COMBODISTCSS" id="COMBOFAB" tabindex="1">…