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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answer96
viewsHow to solve this problem in the collision?
If I check the collision only horizontally, the program picks up the entire width of the scene and not just the div. Code: <html> <style> #dv{ border:1px solid red;…
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answer2007
viewsHow to create a dynamic select using Javascript?
How can I call a dynamic select using javascript only? (I can’t wear jQuery) When selecting the option São Paulo (state), would show me the select with the cities of São paulo and so with Santa…
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answer84
viewsSelect does not show the selected row
I have a zip code field where I make a query via javascript, so far so good, is working, in my form I have log field, number, neighborhood (city and state that are selected) I wanted to select the…
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answers109
viewsHow to put 0.5s Transition in Tooltips
<html> <head> <style> a.tooltip-black, a.tooltip-white { position: relative; color: red; text-decoration: none; cursor: help; } a.tooltip-black:hover, a.tooltip-white:hover {…
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answers751
viewsProblem in converting the input values into Real, example: R$ 20,00
I created a Script to format Input values for Real Currencies, but there is a problem, when you put text, display "Nan", I need that can only type number and not text. var atual =…
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answers171
viewsAlign a div that contains a text with a div that has a login box
I would like to know how I can align the Divs of the image below: I’m using bootstrap, and this Templete already came with this login box on the right side. I’m having trouble positioning this other…
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answer98
viewscol-Md-6 is not falling in mobile
I have a section that in mobile instead of falling down this overlapping the whole div. It’s supposed to look like this, but the image is getting over everything in mobile. HTML <section…
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answer219
viewsAlgorithm to set service order priority
Good evening. I am a beginner in programming and a student of T.I. I just created my account here at Stackoveflow. I have basics (WELL basics) of Python and Javascript (and HTML and CSS as well). I…
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answer34
viewsBackground css does not work
Good evening, I would like to know why when I use this css style in my "bg" class in my html it works, but when I use the HTML5 version, the background style goes completely away, I searched a lot,…
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answer161
viewsLaravel File Reading and Writing
I’m trying to read a file that comes from a form. When I send it to the Controller, I have to read the file and look for a line, if it exists, add a line right below. Doubts: 1- I can find the…
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answer48
viewsSame url works sometimes yes and sometimes no
I am with a web form, in which I have this code: <form action="../../MenuPrincipal" method="POST" class="form-inline"> <button type="submit"> </form> and my file structure is like…
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answer226
viewsSearch for CSS selector using label text
Hello, I’m looking to automate a form that has 4 fields in which the only difference is the label. I’ve searched a lot, but I couldn’t find an answer that would help me. I’m automating with Selenium…
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answers110
viewsShow result inside a div without load on the page
I created a home screen where you put the value you want to be displayed on the table. However, when you click the button it jumps to another screen.. wanted him to display on the same screen that…
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answers99
viewsHow to calculate the Javascript input value and the result appear in the alert?
I don’t know why you’re not calculating or showing the result on the alert. <!DOCTYPE html> <html> <head> <title>Agência de viagens</title> <link href="estilo.css"…
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answers188
viewspresent data except successfully for user!
I would like to present a message on the screen as soon as user save the data, I’m wanting an Alert of those that is in the link below, follow the code:…
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answer159
viewsSending Ajax Information to Controller
Good morning guys, all beauty? I am making an application where my select will operate what will appear on my page. I am using Codeigniter, so the choice of select goes to a controller. I need my…
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answer89
viewsHow to give the post via ajax
I’m having trouble sending an email through a website. The structure that is is as follows: User fills the information in the form and I have a javascript that will give a post via ajax this ajax…
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answer181
viewsApplying a :checked on a parent div by clicking on the daughter div
I need to leave menu checkbox as in the image but my background is in the father div and my checkbox is a div son how can I apply that background in a div father cleaving into a div son HTML:…
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answer32
viewsBootstrap bug with Angular
I have this problem in my project, I added bootstrap 4.3.1 normally in the angular project, but when trying to split the columns as the code below this margin appears preventing bootstrap grid…
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answers58
viewsChange background VIDEO by screen size?
How to use different background video by screen size , Desktop would be a <video> Mobile would be another <video> Design in Angular .. <video playsinline="playsinline"…
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answer79
viewsWrite to a multi-line output in Javascript (document that opens in browser)
In javascript, I try to run programs in the browser that do calculations between numbers and generate a multi-line output, but it leaves everything in a single line when running the command. I tried…
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answer115
viewsmake a fixed menu
I made a hamburger menu for a site that I want to develop, however my idea is that this menu accompanies the scrolling of the screen and opens perfectly independent of where it is on the site,…
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answer472
viewsAnimate a script that changes the image src
My question is this: I have in my code 2 JS functions that are called with onmouseenter and onmouseout in my HTML code, which are they: function passo1() {…
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answer199
viewsHow to join Datatables with PHP in a checkbox search?
Get ready because business is very complex. I’m using the library datatables of Jquery (I’m pretty new at this) to list a table from my bank, when listing, each record received a checkbox so I could…
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answer40
viewsWhy do the form data disappear when pulling the zip code?
I made a data editing screen, and the problem that is occurring is that when I put the zip code the address data appears, but the data, already filled out disappear! Can someone help me? HTML:…
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answer79
viewsConvert percentage to real in the input Rage slider Html5
I need to convert mine input range of percentage to dinheiro and the minimum value shall be R$170,00 and the maximum R$ 5.000,00 I tried to touch the script to convert but it keeps giving error…
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answer467
viewsHow to put a "read more" "read less" button on a php foreach?
Hello, I have an array within a foreach that brings a list of procedures. But I want only the first three to appear and have a "read more" "read less" link to show the rest of the content or hide…
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answer325
viewsHow do I center this input vertically?
[![ div#newsletter{ text-align: center; background-color: #000000; padding: 10px; margin-bottom: 5px; } div#newsletter input{ border-radius: 3px; border: 2px #606060 solid; padding: 15px; width:…
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answer50
viewsHow to send a parameter through an iframe to a page on another server?
I need a help I have a page on an X server and I need to get another page from the Y server. I tried on ajax and I couldn’t so I had to use the iframe, but I need to pass a parameter to the…
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answer768
viewsPlay local video with HTML and Javascript
Hello, I want to make a local player with HTML. I want to play locally, without uploading. I want to select a folder with music or video files and play randomly. Below follows my website with the…
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answer308
viewsFooter at the bottom of the page and after the content
I have a footer that gets fixed right after some small content 'middle of the screen' and not at the end of the page, I use sidebar. I would like it to be at the bottom of the page when there is no…
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answer70
viewsVideo audio continues after closed the popup that contained it
I tried to create a popup with a youtube video inside, but when the popup is closed the video keeps running, I know this because it is still possible to listen to the audio. javascript, css and…
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answer17
viewsDiv Relative Inside tag Center Inside Div Fixed
I want to leave paginations in the center of the div and grow centrally, but this div has to be fixed so I thought to leave inside another div relative inside other relative does not fit with the…
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answer280
viewsResponsive menu with Bootstrap
Good morning! I’m making a website and I’m a beginner. I’m having trouble with my responsive menu and footer. Well the problem of responsive menu is that the burger menu is having trouble clicking…
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answers2311
viewsCSS - H1 Does not align in the center
Hello! I made a code in which my logo is an H1 and I want it to always align in the center of the screen. For some reason he doesn’t come out on the left side, I don’t understand why. Can you help…
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answer57
viewsChange another class (CSS) noscript
Hello, in the code below I want to change the class color selected image when passing the mouse in the class images. The code example works by hovering the mouse on area_de_images, editing failed…
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answer228
viewshow to receive data dynamically via websocket?
I’m trying to update a <div> which is receiving data from the database in a dynamic way, however, I tried to implement this way and even so remains wrong and do not know where I’m going wrong,…
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answers316
viewsHow to place an image in a link in the footer?
Hello, I would like to link an image of the Linkedin icon with my profile link, to place it in the footer and align it to the center of the footer. What the code would look like? footer#rodape {…
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answer375
viewsWith Bootstrap, how do you position the button at the end of the card?
would like a solution to always place a button at the end of the card, so that it does not depend on the size of the above text, or pre-defined size of the previous object. To illustrate here is the…
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answer459
viewsHow to send form contact data by email to JS, or HTML5 or PHP
Hello, I have been making the form with Html5 and using a separate PHP code to send the form this way. php -> { if (isset($_POST['BTEnviar'])) { //Variaveis de POST, Alterar somente se necessário…
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answer20
views<select> with Angular
Good evening, I’m having a doubt that I’m having trouble solving... I’m trying to retrieve an object from one and the variable always back Undefined Follows code snippet: HTML <div class="modal…
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answer51
viewsChecking out checkbox
Good afternoon. I need some help. I’m creating an Html5 form for my college work. I need to check if at least 1 checkbox item is marked so that it is possible to send the data. I tried using if and…
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answer155
viewsfile_get_contents() error!
I have the html form: <div id="formulario"> <form method="POST" action="Controller/jsonTeste.php"> CEP: <input type="text" name="cep" placeholder="Insira o cep" required/>…
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answer48
viewsCheckbox list selects only the first option not allowing selecting the others
I’m developing a form where it has a list of options using the input type checkbox. It happens that in the checkbox list only it is possible to select only the first option and it is not possible to…
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answer122
viewsHighlighting words from a paragraph using Javascript only
As part of learning, I’m trying to underline words that are contained in a paragraph in a document html. By my logic, I would have to store this content in a variable and then scroll through it for…
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answer171
viewsHow do I remove the underline from the text of a link?
I know that this question has already been asked here but even using the text-Decoration: None; the underscore continues, at most the text-Decoration: None; removes the color of the text I am using.…
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answer44
viewsJavascript - Error: x is not defined
Good night, you guys, I’m facing a difficulty that, frankly, I haven’t found a solution to so far. I created a collapsed sidebar where the javascript file was added before the tag < /body>…
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answer49
viewsWhy aren’t you showing the saved login in Localstorage?
I am creating a hybrid app with Cordova, and I want the user to log in first, it stays logged in direct. If it leaves the app for example, and logs in again, it doesn’t need to log in. I am using…
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answer30
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answer112
viewsVue.js edit post by id
I’m starting with Vue.js and am loading some database posts on the screen with v-for Vue.js. I have two functionalities (edit and delete) on two separate buttons under each post. The delete feature…