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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answer141
viewsHow to insert a value into an input and dynamically change an element through it?
Hello, I’m developing a little project using HTML/JS/CSS, which consists of changing the radius of the edge of an element, here an example: https://border-radius.com/ The problem is that I want the…
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answer39
viewsError inserting data in mysql and php
I’m kind of a beginner dealing with php and would like some help to understand why this is happening I am having the following problem, when I run the following php Function, it does not return…
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answer24
viewsRedirect to a page through a post
People needed to do the following I have a page made in pure html and in it I have an area where the user can put his email and ask to register it. Ai wanted to take this email from inoput text and…
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answers29
viewsHow to organize links around the center with flexbox
Hello, I got to center my soon and put the links around, the problem and the logo overlap the links, wanted to align and decrease the margin between each link. * { margin: 0; padding: 0; box-sizing:…
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answers359
viewsHow to move elements in HTML
I’m developing an application and I don’t have much knowledge about HTML. I took a template straight from the bootstrap site and am making some changes to look the way I want, but I’m having the…
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answer30
viewsDisable input in the form
I intend to disable form inputs. I know that the disabled or the readonly does this process. I intend to use the readonly on the form. I’ll post the code and then explain the problem: @import…
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answers255
viewsHow to center all elements of an HTML page vertically?
I’m making a page using bootstrap and I need the carousel stay centered with the images in the middle of the page, both horizontally (already done) and vertically, because on the mobile phone, the…
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answer45
viewsproblem HIDE and DISPLAY Jquery element (error)!
I built a simple javascript with Jquery for Hide and Show a field where the values tbem are reset depending on the option chosen in select, the problem is that when you enter the screen and select…
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answers73
viewsExport data to excel using html javascript
I would like to know how to use a javascript library called Exceljs in the browser I’m importing it into html like this <html> <body> <script src="exceljs.js"></script>…
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answer90
viewsContainer problem in html and css
I don’t have much knowledge in html or css. When I minimize the screen or change the resolution, the container does not follow the same pattern. As follows: Maximized: Minimized: Why is this…
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answers205
viewsChanging the value of a variable when selecting an option
In my product table, I would like to make some basic filters, such as sort by alphabetical order, price, etc... The idea is as follows, when the user selects a option (does not necessarily need to…
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answer57
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answer561
viewsHow to redirect to another page with the Back button
I need to "replace" the function of the browser back button, so that when the user clicks it is redirected to a page. I’m already using a snippet I found but its operation is not very consistent,…
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answer269
viewsUse of HTML rendering tag in Jboss Seam PDF
I need to present texts with changed background color and in different fonts within an html rendering tag, but the correct value is not shown. Tag used: <p:document…
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answer33
viewsProblem when displaying content and changing the view
I was with a problem regarding how to pass the data to the front and change the visualization of such information, after giving a search, I gathered some things I was researching, it was very…
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answers40
viewsReturned value is being the same as the entered value
I’m having trouble displaying the result in converting decimal to binary. When I do so by defining 2020 in the decimal variable, returns the correct value that is 11111100100 var decimal = 2020; var…
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answer92
viewsHow to get this.data from an input with onkeyup
I need to get the data of an input with javascript. In this way, I created an up-to-date function. function atualizaAdicionados(e){ console.log(e.value); console.log(e.data('id')); } <input…
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answer63
viewsWhen we remove an element using Htmlselectelement.remove() are the events assigned to the element removed as well?
When we remove an element using HTMLSelectElement.remove() events assigned to it are deleted completely as well? MDN - remove W3schools - remove Should I use the removeEventListener before removing…
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answer108
viewsHow to use HTML syntax within Github Markdown to display code in Highlight?
On Github it is possible to display an Highlight code with Markdown syntax, as follows (consider the simple quotes being the grave accent `): Este é meu arquivo README.md '''dart void main() { //…
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answer42
viewsExchange the value of a radio button input for the differentiated value typed by the user
Good night, I have a problem, I am creating a donation form and I need to create a radio input with differentiated value that the user would type it. Ex: <form action="#" method="post"…
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answer383
viewsData formatting in Node.JS, with Sequelize and Moment.JS
I would like to format a date that is being loaded from the database with Sequelize. I’m blogging and I need to get the article creation date My route: app.get("/", (req,res) =>{…
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answer28
viewsSubstituting and displaying parameters in PHP
I’m creating a coder, a personal project to apply knowledge and learn more. The coding part is working, but the decoding part isn’t. I execute and nothing appears. Could someone help me find the…
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answers50
viewsHow to declare a function that has calls with quantities of different parameters?
I have a function that is called every time the input element is in focus, only the calls are made with a number of different parameters. How to declare the same function with passing variable…
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answer155
viewsHow to create multiple React components dynamically using Hooks?
I’m making an app on React which calculates compound interest and would like to know if anyone knows how to create several components at once dynamically. Example: if I put 12 months I will have to…
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answer118
viewsExtract data from an HTML form with PHP and write Json
Hey there, guys. I’m trying to get PHP information from an HTML table on a website, but I’m not able to separate the extracted data. My intention is to generate a Json file with this information…
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answer48
viewsProblem of children in javascript
Good afternoon, I have a project this way: <div data-id="codexample" class="abc"> <div class="container"> <div class="btn"> <p>Teste</p> </div> </div>…
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answer75
viewsRecover value in localstorage
Good afternoon! I am creating a Javascript application using localstorage for data storage. The application is simple, I’m just practicing some concepts, and it involves some personal data and a…
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answer47
viewsChange the visibility of a DIV based on the value of two select using jQuery
I have 2 select options. If the option of select1 AND the option of Select2 is selected, nothing appears. Otherwise a form appears. HTML <div class="form-group" style="color:black"> <select…
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answer32
viewsReturn a list of values present in select
I made an interface where the user type a number and it is soon assigned to a value of select. The idea is that the user type a number and cannot type it again, but for this, I need that in each…
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answer1977
viewsiframe :Failed to Launch <link> because the Scheme does not have a Registered Handler
I’m coding a project in html and Linkei a google form to the boot of vacancies, more when I click to open the form on an android device it does not open, I searched on the internet the error but it…
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answers30
viewsResponsive Footer with CSS
I’m trying to make a footer that is always at the bottom of the page and that is responsive to the other items. But it only works on a page with a lot of content that takes up all the space, on…
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answer272
viewsSpace between HTML lines
Hello I have a problem with a signature in the company where I work, I had to add some icons and make it more beautiful, until then everything ok, but there was a space between the lines that I can…
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answer164
viewsSumming Values of an Array Grouping by Key
I posted a question here this week, but it was negative for lack of more information, from then on I ended up solving the problem in question, so I will leave here the solution I found and if you…
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answer203
viewsJS and HTML5: Countdown Bar only works "on screen"
I’m implementing a small progress bar (.progressbar) that actually works as a "countdown bar" (it’s an inverted progress bar, it starts full and goes down) and will work as a session expiration…
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answers233
viewsGet data from a website to use in C#
Good night, I’m a beginner, and I’m developing a C# program in Visual Studio for my TCC, this chunk of code I’m having trouble with will get the data from a table of a website and after storing it…
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answer83
viewsCreate dynamic form in javascript
I am trying the form dynamically in javascript. For this I created the form first: <form class="text-center border border-light largura" action="#!" id="retorno"> </form> Then I have the…
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answer37
viewsI need help to create a condition to calculate the quantity of the product
The code below is with the function of adding the item by checkbox, need help so that it was by quantity, in the case of input in which the user will insert the quantity and calculate according to…
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answers104
viewsHow to dynamically remove and add HTML class with Javascript
I managed to solve through Jquery, but wanted a solution only in pure Javascript. I have a nav with 4 links on header, to li where the usurer is in a class selected by default, which changes the…
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answer40
viewsHow to select the last option in a dynamic drop-down list
I have a dynamic drop-down, in which the amount of options varies. I would like to know how to select the last option automatically. Ex.: <select name="pagarme_installments"…
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answers50
viewsI created a navbar with a form on the side but when I add several inputs in the form the page loses the background
form view: <div class ="registerUser"> <h1 class="w3-xxlarge ">Cadastro de clientes</h1> <hr style="width: 80%"> <form method="POST" action=""> <h3 class="w3-xlarge…
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answers14
viewsReload Node_modules at Angular
I have a problem loading a JS module that I created for my Angular project, which in this case is a horizontal Timeline. The interesting thing is that if I point out the application via app-routing…
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answers50
viewsSide by side div with bootstrap
I am new programming with HTML and the like, I have a beam in the realization of a code, I can not put the div of the code below aligned side by side. The code: <div class="card border-success…
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answers61
viewsJavascript Filter by Category
Hello, I have a problem making a category filter, in a store page, there are several categories, the items and the category number are removed from the Mysql database. When I open the page of the…
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answer27
viewsHow to establish a communication, in the same file, between multiple PHP tags
Good night. The point is, I’m doing a bank account program, where first, in a.html file, I retrieve some data via form, and send it to another file.php In this same, besides recovering the data…
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answers190
viewsHow to disable required when your input is not visible
I already apologize from now on if I can not be clear enough, but I needed to make a form that when they marked certain checkbox, would appear Ivs that would be hidden with the particular content to…
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answer31
viewsJquery replaceWith deletes element when exchanging in several places
I’m having a problem with the function call replaceWith of Jquery. I have a variable that is storing an HTML structure, this structure I want to render in several different places (this works when I…
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answers94
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answer59
viewsLabel html breaks text - fit with Bootstrap
When I open my desktop page it looks like this: When on cell phone, it looks like this: My code is like this: <div class="form-group"> <label for="qtdpessoas" class="col-sm-2…
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answer107
viewsAPI Returns Json Object with ID - IONIC 5 and Angular
I’m working with an API that returns a JSON with a JSON object inside. Example: {"authorized":true,"status":200,"foundmatch":true,"requested":"baiier", "players": {…
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answer35
viewsChange column height while maintaining CSS base
I am having problems gradually increasing the columns. I want the result to be the same as the image below: I tried to change the height of each one, only the base is increasing the width (which…