Most voted "html" questions
Use this tag when the question refers to some resource, information or problem related exclusively to the HTML language (Hypertext Markup Language). HTML is the main markup language used to structure web pages and format content. The latest revision of the HTML specification is HTML5.
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answers1140
viewsWhat is the difference between Local Storage, Session Storage and Cookie?
What’s the difference between Local Storage, Session Storage and Cookie? What is the purpose of each of them and what differentiates them?
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answers308
viewsWhere does this notification "tooltip" come from
I was doing a development of an ASPX page with JQUERY, W3DATA and w3CSS, and when I made a Submit of my form, the following popup appeared: All form fields contain the "required" key, but I have not…
htmlasked 8 years, 5 months ago Marcelo Carvalho 31 -
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answer1795
viewsLockscreen lock screen
It is possible to create a lockscreen in JS+HTML+CSS with the same blocking functionality as in Windows? I think about doing this in the web system that I’m doing.
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answers450
viewsPut two icons in the same paragraph
I have a paragraph in my view. In this paragraph, I have the indication of my mobile phone and I took the bootstrap symbol, so: <p><i class="fa fa-phone"></i> Phone (Brasil) : +55…
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answers1182
viewscall an . exe in Java or html
I am migrating a desktop system to web , with we have already largely ready, I would like to climb it and call what is not ready of the application by the browser , I would like a help, in the…
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answers156
viewsHow can I capture the names of an html form and put in a variable in Javascript
I know how to do with Php but to catch a little bit with javascript, I wanted to use the fields "name" and "email" to put what the user type inside a variable name and another email inside…
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answers3037
viewsCSS Input Zip code
Good morning, I would like to make my input text accept only four numbers and dps of that put "-" and accept only three numbers. This is possible only with HTML and CSS?
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answers1263
viewsHow to customize the side edges of a DIV?
I have a <div> whose edge has a different customization than the pattern. It is not totally solid, it has "open spaces" at the top and bottom. Example drawn: The central content varies, so the…
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answers4351
viewsDoubt how to format value using Chart JS chart
Guys I’m using a plugin for Jquery called Chart JS. Good and very simple to work with the plugin, the problem is that I report values in the American standard (33.33) and I need the graph to display…
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answer201
viewsInclude takes wrong url path
I have the following structure: I would like the file, inside views/usuarios/usuarios-view.php, include the file _layout.html who stands in the way: views/_template/_layout.html, I’m doing so in the…
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answer286
viewsHow to make border CSS inherit color?
Guys set up a simple container using CSS. For me to do the DIV that gets the text stick with blue background I ground a class I created to put background where I call it. But I need to put the blue…
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answer412
viewsBetter HTML structure - Virtual Store
Talk, you guys, blz ? My question is the following: what is the best HTML structure to build a virtual store ? Taking into account semantic and SEO patterns. For example: I must use divs, li or…
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answers7189
views"import" header and footer on all pages
I am making some html/css/javascript pages and all will have the same header and footer, I would like to know how to make the import without repeating all the code. Java server. But you can do it in…
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answers103
viewsDoubt with Script - Show image according to Selection
I am trying to make a select that changes the image according to the selected one, but I have two types of select with their respective images that should appear according to the selection. The…
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answers154
viewsHow does the server know that the index is the main page?
For example, I have several . HTML and . PHP files in the public_html folder on my server (Internal), but when opening the path in the browser (open the path…
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answers529
viewsHow can I automatically send my input information via javascript?
How can I send information from mine <input /> automatically? Wanted this automatic process to be controlled by the field size of the input. For example, when the value reached 8 characters,…
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answers18367
viewsApplying opacity in a Background
I’m trying to apply opacity to my background image. I’ve tried using rgba, and the pseudo-class after. Is there any other way to apply this filter only to the image without affecting the content?…
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answers423
viewshow to align center with css
Guys I got two button that are aligned in the center using display: block;. The problem is that one sits on top of the other, to stand next to the other I used display: tale-cell; and the problem is…
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answer208
viewsCSS selector changing value if it contains an element
By choosing any selector definition it is possible to set styles for each element that this is defined. My doubt would be, instead of selecting an element and changing properties for itself, I would…
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answers2478
viewsCheck if button is disabled - Javascript
I have this button, and I need to check with Javascript that it’s disabled, but I don’t know how to do it. Here’s HTML: <button type="button" title="Finalizar Compra" class="btn…
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answer595
viewsWhat is the hreflang attribute for?
I am interested in SEO techniques and among my researches I found the attribute hreflang. Some examples: <!-- Dentro do HEAD --> <link rel="alternate" hreflang="pt-br" href="...">…
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answer31180
viewsButton (Button) inside an A (Link)? Is this a bad practice?
I was using a library of Scaffold for automatic HTML code generation. It was specifically for generating forms in Boostrap 3. Then I noticed that the links of actions that are being generated are…
htmlasked 9 years, 5 months ago Wallace Maxters 102,340 -
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answer928
viewsWhen clicking on a select item, show input
I want when I click the select "OTHER" to appear next to an input, but so far unsuccessful. My code HTML and JS: function mostraCampo( el ) { var outros = document.getElementById('outros'); if…
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answers3645
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answers47
viewsProblems with the positioning of an element
I want to leave the date fixed in the right-hand corner, considering that the div is being created by a while and that the position of the date does not depend on the extent of the description.…
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answers225
viewsMake a hidden form
I am developing a basic CRUD, and I need that when the user click EDIT, open a form below, or side, no matter, with the fields for him to edit such information, and when click 'OK', the field…
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answers44
viewsAllow only delete key
I have the script below, which blocks all typing in an input, forcing the user to use the DatePicker available: $(".readonly").keydown(function(e){ e.preventDefault(); }); In this same script, there…
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answers104
viewsText on image
Hi, I’m new to this and I need to know how to make a text about the img appear when passing a mouse over it p a school project, someone can help me?
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answers3686
viewsDownload file via Ajax
In my Asp.Net MVC 4 project, I have a View with a button and the following script: <input type="button" value="Teste" id="baixarArquivo" /> <script> (function () {…
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answer225
viewsDelegation of events to dynamically generated elements
I will try to be more specific. I have a list <ul>which is populated via jQuery: var $imovel = $("#lista-resultados-pesquisa"); $.ajax({ type: 'GET', url: 'imovel.json', success:…
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answer111
viewsPHP Doubts how to optimize Session
Today I use the following code to start a PHP Session //verificação se o id de sessão ja existe, se não existir, cria if (!session_id()){ // iniciando a sessão session_start(); // buffer para evitar…
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answers1560
viewsInsertion of the letter "e" in type number
I would like to know how not to allow the letter to be inserted "and", which probably represents the number of Euler, in the input type="number.…
htmlasked 8 years, 2 months ago lucasbento 856 -
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answers956
viewsPush a button through the keyboard
Hello, within the system I am developing the user can change a registration that is in the database. I wonder how I can do so that instead of the user can save the changes just by clicking on the…
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answer3294
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answers933
viewsSum/multiplication of dynamic and total inputs in R$
Good Afternoon, I need a great help, I’m caught in a problem that apparently should be very easy! but I’m not managing to evolve. I have a code with the following fields: In my script consists of 5…
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answers40467
viewsHow to redirect php pages
I have a login system in a program PHP that I want it to forward users to different pages depending on their profile. There is a login table that has a field called "perfil" who is either 0 or the…
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answer139
viewsProblem with mask in form
I’m using the plugin Masked Input Digitalbrush to format my phone field in the form, I tried this way and it didn’t work, someone can help me? <head> <script…
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answers2189
viewsHow to know the user’s operating system version using Javascript?
I wonder if there is how to do so when the person enters my HTML page, already identify which operating system it has, and then enable certain buttons. For example if it has Windows 7, the program…
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answer509
viewsHow to highlight a menu item when clicking Back or Next
This is possible, I know I am on the way, but before I decided to see with the community what can be done in this case, and then take the right course. Code function Selecionado(tag){ var item =…
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answer222
viewsAlign div vertically in Internet Explorer 11
I’m studying css and challenged myself to create a reproduction of an image that follows below: I was able to do something similar, but I could not work the same way in Internet Explorer, I saw some…
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answers1129
viewsCentralize objects within the div
What is the best way to centralize objects within a div horizontally and vertically, being a responsive div with no fixed size, with width and Eight in %. Div is inside a bootstrap Row div…
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answers33037
viewsHow to use the Icon tag in HTML?
I want to use a 'flexinha' next to the text of the button. I tried to use the symbols of the keyboard itself, but the site I want to insert does not accept. I can use the icon tag, as it is used to…
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answer705
viewsRefresh page when user is missing and there are no videos on page
I need to refresh my website page when the user is inactive for 15 minutes and there are no embedded videos in it. if the user is inactive on a page of the site for 15 minutes the page should be…
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answers137
viewsUpload excel (.xlsx) with jsp
I am developing an application to submit Excel files to an application. However if I try to submit a file .txt,works properly if I send a file .xlsx the file copied to the server directory appears…
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answer222
viewsHow to handle multiple inputs with the same name in Java?
How do I manipulate in the back-end using multiple Java input's with the same name? For example: <input type='text' name='telefone' ><br> <input type='text' name='telefone'…
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answer28
viewsAlert text only for a specific element
I have this code : <div id="div"> This is some text.<br/> <button>Button</button> </div> <script> alert(document.getElementById("div").innerText); </script>…
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votes2
answers828
viewsCreation of diagonal div
Well, I’m having doubts about creating a div, with two elements, separated by a diagonal line, according to the image below, how can I create ? The text should remain straight The Skew property, as…
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answer664
viewstooltip cut by div
Good morning guys. I’m trying to create a css-only tooltip on a right-side panel of the page. In this panel appears a list of users and each tooltip presents a brief profile, quite similar to the…
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answers153
viewsCalculate routes, distance and time in Openstreetmap
I need an API that calculates routes between Source/Destination and provides distance and time route to a matrix of origins and destinations using the Openstreetmap. That works like the API…
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answers642
viewsAdd CSS attribute when input is selected via Jquery
I’m Making an answer validation application for a particular question, I need that when the <input type="checkbox"> is selected if an attribute is addedbox-shadow to <textarea> of reply.…