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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answer438
viewsvuejs - v-bind in pseudo css element
I need to change the color of a pseudo element, according to some conditions. To simplify, I did first without any condition, just want to change the color through the v-bind I have a pseudo CSS…
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answer1406
viewsError upload PHP image. Warning: move_uploaded_file(): failed to open stream: Permission denied
Error you are showing when I execute the code: Warning: move_uploaded_file(fotos/7d80310d2fa83125d395d77e6f739bb8.png): failed to open stream: Permission denied in…
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answers61
viewsSend variable value from an external php page to a field in an external html
I’m having trouble sending the value of a variable that is in PHP to an external HTML page. I have the page executes.php and I have the page call html.. call html. sends to executes.php, that sends…
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answer170
viewseffect for navigation on Onepage
body{ background: #000; display: flex; flex: 1; flex-direction: column; height: 300vh; justify-content: center; align-items: center; } p{ color: white; } .navegacao-lateral{ position: fixed; left:…
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answers245
viewsHide or lock calendar Sab/gift
Hello, in my form I created a calendar with the tag input type=date in my html, I blocked the 3 days from the current date and would like to block Saturdays and Sundays to display only weekdays of…
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answer69
viewsIn the menu a li does not occupy the whole area of ul. Cut a piece at the beginning of the menu
/* Configurações Globais Inicio */ html, body { box-sizing: border-box; margin: 0px; padding:…
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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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answer554
viewsHow to get the html element that is found in a given text?
Talk personal, all right? I’m trying to solve the following question, but I’m not getting it. Could someone give me a hand? I need to get the html element where a determining text is. That is, I go…
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answer63
viewsSave values in session to show the total sum dynamically
Good night. I have a problem which is as follows; I have a form which is generated by a foreach, where it shows ticket values. In this form you can add the amount you want to buy from multiple…
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answer1742
viewsDatetimepicker only works on Bootstrap 3
When you click, just open this pop-up. IMG1 By clicking the pop-up, it slides up and does not show the calendar. IMG2 When I change the boostrap to version 3.x. x, it works correctly. But my entire…
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answer1016
viewsSearch for e-mail or word within a webdriver site in python?
Hello, I am wanting to create a Bot to enter a website and search if that site has an email to contact and create an email list ... the problem is that this can all be very generic.. on some site…
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answer30
viewsCluster Problems - WEB Development
I am learning and developing a web report that should be grouped in order of production, but I have the field "Resource Consumed" that prevents me this grouping and repeats the production orders: […
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answers218
viewshow to reuse HTML structure and change content (avoid Ctrl c Ctrl v)
div { display: flex; flex-direction: row; flex:1; justify-content: center; align-items: center; } img{ margin: 10px 0; } <div> <section> <h1>Titulo 1</h1> <p> alguem…
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answer227
viewsProblems in validating a Textarea
I’m having a problem validating a Textarea inside my Form, follows the code of Form: <form class="form-horizontal form-material" id="manual-form" method="post" action="<?php echo…
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answers28
viewsStylization form
Good afternoon, I want to leave the form the way it is in the image, and when I use form within form when setting the part of the backend does not work. I tried to modify the internal form with div…
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answers40
viewsEdit table with corresponding value <select>
I have a form to edit the table data, it is working normally. But when loading the page is searching for the last name of the table. I would like to know a way to load the page, come already…
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answer38
viewsPick up date with a function
I need help with the following: Method to get the date function pegar_ano(){ $year = date('Y'); $ano = date('Y'); //echo $year; $ano_anterior = $_POST['ano_anterior']; $ano_atual=…
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answers750
viewsHow to pick up *ngFor Angular 7 item
Personal I have a select where I select a company <div class="form-group col-md-12"> <select class="form-control" name="Empresa" formControlName="Empresa"> <option selected…
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answers369
viewsSuccess message after sending message by form
I want a message to appear after filling the form and clicking on the "send" button stating that the content was successfully sent on the same page! I’ll put in my code, thank you for your help.…
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answer60
viewsCentralize cards on mobile device
I’m not getting these cards stay centered when on the mobile device, I’ve been told to use media queries, but in that sense I would have to create a new class to assign the css code, I mean, I…
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answers51
viewsThe image does not appear on the page
<?php session_start(); include "conexao.php"; $sql = "SELECT * FROM noticia"; $noticia = $conn->query($sql); $conn->close(); ?> <?php include "include/header-adm.php" ?> <!--…
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answers432
viewsSet select search text in html
I got the following select: <label>Para</label> <div class="input_field"> <select class="form-control" name="Para[]" id="Para" multiple> <option></option>…
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answers69
viewsTrigger Events
It is possible somehow to trigger events in multiple windows using JS? for example: I have 2 pages with their distinct htmls, I can click a button on one and trigger an event on the other? If so,…
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answer105
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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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answer106
viewsClear options field after selected value
I started recently with WEB development and have studied ANGULAR to deal with some cases in my work. I have five select options that lists through an api some records based on my return {} ,…
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answers64
viewsDelete $_Session when logging out of browser
Hey, guys, I’m making a panel of queries with Sesssions systems. I have a little doubt about him... How can I detect if the user has closed the browser? I already tried UNLOAD(); however it detects…
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answer45
viewsHTML element readjusts with screen resize
I have the following code. var logo = document.getElementById("svgLogo"); var area1 = document.getElementById("area1"); var area2 = document.getElementById("area2"); var area3 =…
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answers224
viewsError Saving Image in Directory - PHP/JAVASCRIPT
Hello, I’m trying to finish a part of a system, where the user draws his signature and after the action, the Canvas Image is sent to the directory, but when I open the Saved image appears the…
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answer62
viewsError in function to return Querystring in Javascript
When using this function by calling the filter parameter of an error, instead of returning the value of the Querystring parameter it returns a Function. //Retorna os valores da querystring function…
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answer1235
viewsInput Mask Razor
I’m in need of help to include a CPF and CNPJ mask with Jquery or Js, so that it changes automatically after I click on a select, but I’m not able to include the mask inside the Razor I made.…
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answer67
viewsHow to capture the unique element in HTML?
My doubt is a little confusing, but I hope to be as clear as possible. As shown in the image ( https://i.stack.Imgur.com/Lafjw.png ) I have a cart and the div of each element (product) has the same…
htmlasked 5 years, 1 month ago Weslley Fillipe 161 -
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answers239
viewsChecklist using checkbox, javascript and Localstorage
I have this simple Checklist that I created, using checkbox, javascript and Localstorage It’s working, but how to make it more practical and more lean? function check1() { var check1status =…
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answer813
viewsHover image using bootstrap
I’m trying to apply an effect with Hover, but I’m not getting it. I am using bootstrap 4. I managed to accomplish what I want or almost that, the problem is that appears below and not on the image.…
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answer81
viewsWhy is the text out of line? and how to solve in bootstrap 4?
Continuing with my question made earlier, I am now using the following code. There was another simple problem that I am not able to solve. The text written "CLEAR FILTERS" is out of tune regarding a…
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answer72
viewsI don’t understand what’s going wrong with my headline
Hello I’m trying to make a header in HTML + CSS for learning, and I’m not understanding why it’s not working, follow below the code: footer { background-image: url(../img/fundo-rodape.png);…
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answer335
viewsExit an Iframe Selenium Pyhton
I’m having a hard time... I have a page to manipulate with Selenium, my problem is Iframes. I access a main Iframe and within that main iframe I have other iframes to manipulate, my porblema is that…
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answer46
viewsClick Section and open DIV
I want to click on Flap Change the class of the div that contains the attribute to show. It is originally with a class that makes it hidden.I have the js function there but it’s not working Who can…
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answers643
viewsChange value <td> dynamically with Javascript
Good afternoon Personal, I have the following radios in HTML <input class="form-check-input" type="radio" name="filtro_por" id="filtro_por" value="sinistro_datacadastro" > <label…
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answer19
viewsCode error, buttons are doing the same form input functions
I am making a code in php and I am having a problem, the buttons (which would be to delete and Abir a PDF file) are doing the same function as the form Input, I would like to know how I could solve…
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answer46
viewsToggle CSS Classes
Now I come with another question because I’m a beginner in javascript. Well, I have this function that when clicking on the registered tasks tab appears a div with a select(combobox). As I do for…
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answer81
viewsList 3 fields from an Array
Hello, all good? I’m having a question. I want to list, a list of contacts, but I can’t echo in the array, you could help me? that’s my code: <?php session_start() ?> <!DOCTYPE html>…
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answer54
viewsHTML PHP concatenation
Below follows the code and has a comment where I’m having trouble concatenating html + php... basic silly error but already merged the cuckoo and do not see the problem. thank you. <?php // Monta…
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answers939
viewsHow do I rotate the square when I click the button? JAVASCRIPT
<!DOCTYPE html> <html lang="pt-br"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta…
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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…
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answer57
viewsSelect an option with external button
Good afternoon, everyone, I need that when I press a button, the same cause a specific option is selected on select. For example, I own 3 buttons and 3 buttons options:…
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answers304
viewsAlign images to the center
How do I line up these images at the center? I tried to use the <div class="text-align">, but it didn’t work <code> <section id="team"> <div class = "text-align" <div…
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answers479
viewsHow to filter items in the Foreign key field of the Django form?
Good evening! I’m new to python/djagno, and I’m new to the community, too, that’s my first question. What I want to do is filter the items from a selection list of a Foreign key (Template) on the…
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answers73
viewsProblem with HREF import
I can’t really explain what’s going on with my code, because I’m a beginner in programming. But here’s the thing: I imported href into my css file; into html: <html> <head> <title>…
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answers81
viewsHow to align elements on the page?
Hello, I’m beginner in HTML and CSS, I’m learning by hobby to develop themes for social network Tumblr, I’m making this layout for test purposes as I did draft in Photoshop: Only when coding it, the…