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.
Learn more…3,881 questions
Sort by count of
-
0
votes1
answer104
viewsPrinting does not allow font change by CSS
HTML: <div class="conteudotopo"> <div class="container-logo"> <img src="VX_LOGOTIPO" height="30" /> </div> <p>NF: 112233</p> <!-- <p>Pedido: 0</p>…
-
0
votes2
answers53
viewsQuery error in Mysql using PHP
Could you explain to me why PHP code does not execute variable code (this code is a query) in the ELSE part. When the IF (Ifcontains complements of a query that will be executed in mysqli) is not…
-
0
votes0
answers40
viewsNavbar next and Prev
Good morning, I need to create a menu like this The idea is that if I’m in the author’s word and click next it goes to drive 1 and if I have in section 1 and click back it goes back to presentation.…
-
0
votes1
answer27
views<input> Reject certain character
For example how it would look mine tag/script to reject the comma of a <input> in real time? I don’t want to allow this character to be placed on input and after the invalidation I want that…
-
0
votes1
answer4563
viewsJavascript Category Filter
I’m having difficulty implementing a category filter on my site, which when clicking on a certain category, only it is visible. I’ve even managed to create a search filter, based on input typed, but…
-
0
votes0
answers47
views3d javascript environment rotate camera horizontally by keyboard want to at least walk left and right someone can help me?
Project link running with changes /* CSS Utility Functions -------------------------------------------------- */ var CssUtils = (function() { var s = document.documentElement.style; var vendorPrefix…
-
0
votes1
answer38
viewsHTML semantic and use of css3
Should the html tags in italic, underline and bold no longer be used and these visual-textual effects should be in charge of css3? With this wave of html semantic I got this doubt.
-
0
votes2
answers48
viewsHow to compare two date and validate fields
I need to compare two date fields in the same form, and the difference between them has to be over 18 years, otherwise an error must be issued. <form> <input type="date"…
-
0
votes1
answer733
viewsSelect empty without appearing in the list
all good? I have some questions about the HTML tag select. Could you put it without a preselected option without it appearing in the list? all the examples I found there is always at least one item…
-
0
votes2
answers1526
viewsPlace item side by side with border round CSS
I am developing a web application ,and would like my icons i class="fa fa-user" and i class="fa fa-shopping-cart" stood side by side and wanted to be a circle around each one but I’m not getting.…
-
0
votes1
answer554
viewsGet the href link on href itself
I have the code below <?php $paginaCorrente = parse_url($_SERVER['REQUEST_URI'], PHP_URL_QUERY); ?> <ul class="menu"> <li><a href="?l1" <?php if ($paginaCorrente=="l1") echo…
-
0
votes1
answer739
views -
0
votes1
answer355
viewsConfigure button to open browser console (Google Chrome)
Good morning guys, my question today is how can I set up a button on a web page to open the console (for example, Chrome uses the Ctrl+Shift+I button combination). This code has to be developed…
-
0
votes1
answer4128
viewsHow to change the color of Bootstrap navbar links
How can I change the color of the links present in the standard Bootstrap navbar? I can change the navbar backgroud colors by an external css file but not the link colors. How can I do? Toggle…
-
0
votes0
answers169
viewsIs it possible for Dompdf to run PHP code?
I have to run some commands in php to generate a table ,after that, I store this result in a variable run the echo command and the table is shown on the screen. The problem is when I try to run it…
-
0
votes1
answer77
viewsHow do I get the parent div of that element e.target
I tried like this and with .parent() but it did not give... $('.review' + reviewsArray[index] + '').one('webkitAnimationEnd oanimationend msAnimationEnd animationend', function(e) { $('.review' +…
-
0
votes1
answer601
viewsHow to map an image using Google Areas and Coordinates.Cloud.Vision.Api
Hello, friends! I’m trying to map an image, using the Html5 "Area" tag that works with polygons, I want to map a rectangle or several rectangles on top of an image "img". My doubt is, I have a map…
-
0
votes1
answer56
viewsHow to use the plugin botepage ajax correctly
I’m trying to use this plugin here botepage the problem is that I am not able to insert any content inside the Divs, on page 1 for example say I want to put "hello", on page 2 say I want to put "hi"…
-
0
votes2
answers327
viewsWhat is the best tag to create a menu bar
Good evening guys, I’m beginner and so, I come to ask for help to create a menu bar I’m setting up a site and have 2 horizontal bars, the first I want to put a bar, with a search button and another…
-
0
votes0
answers143
viewsHow can I write a Datetime-Local HTML input to the database with the Datetime type Field?
In the project I am developing in PHP I need one in a registration form. I wanted to know how I can save this data in the database, I tried to use the type Datetime in MYSQL, but this type has the…
-
0
votes1
answer1410
viewsI need an item from my select to be selected, Angular
I have a select component <div class="form-group col-md-4"> <label>Entidade:</label> <select ng-model="distrito.entidade.idEntidade" class="form-control"> <option…
-
0
votes1
answer69
viewsRecalculate when changing date or clicking the radio button
Hello, How to Recalculate Values FEES AND SERVICES and the SUM OF FEES AND SERVICES when making the field change dataFim or if it is clicked on radio button = situacao_chegada. I thank you all.…
-
0
votes1
answer206
viewsTaking ids from an HTML and playing for a Javascript array
I have a very large form in HTML and would like to take the ids and store them in a Javascript array, and then access them by applying the rules (empty name type; invalid.) HTML <form…
-
0
votes1
answer346
viewsChrome auto completing input, autocomplete="off" does not work
When entering the search page "http://conteumahistoria.com/autor/monychan" input is completing itself, I put autocomplete="off" and did not help, what I can do? <input type="text" id="pesquisa"…
-
0
votes1
answer64
viewspwa sites work on iphone as on android?
Good night to you all!!! My question is the following: sites made with PWA work the same way on iphone and ipad, as on android? some change is needed for iphone? Thank you for your attention!!!…
-
0
votes0
answers26
viewsDisplaying forms through Select with Jquery
I have a select field for the user to choose which form to register the data! ( 2 forms to be displayed). When selecting the first option in select, I am using Jquery Hide() and show() to display…
-
0
votes2
answers50
views -
0
votes1
answer29
viewsPreview Excel, Power Point, Word on a website
Good morning, I’d like to know how to preview Excel, Power Point, Word on a website. For PDF I managed to do with this code. <embed src="RelatorioM16.pdf" width="760"…
-
0
votes1
answer80
viewsTable for Excel taking too long
Good , I have a query in the database , that returns me to depend on this query 5k lines to 30k lines , I’m generating already in excel through the code below , however when brings me about 5k of…
-
0
votes1
answer29
viewsSplit my Cod HTML into separate HTML’s
Good morning. I’m an Internet systems student and a beginner. My site is cool but it is difficult to manage the contents because it is too big. I would type write coarrousel in separate HTML and…
html5asked 5 years, 7 months ago Caio César Rubo 15 -
0
votes1
answer68
viewsDynamic Div - Tracking Page Scroll Bar
I have a div which is in the second column of the page and I wanted it to become "dynamic", I mean, it followed the scrolling of the page, but even with researches, I could not get anything that…
-
0
votes0
answers90
viewsWhy use W150 w400 w800 in Picture with source > media?
Use the settings below without indicating wxxx <picture> <source media="(min-width:1024px)" srcset="arquivo3/foto.jpg"> <source media="(min-width:500px)"…
-
0
votes1
answer100
viewsProblems with float css property
people were wanting these three elements to date the location and this green button to stand side by side in the center of the screen both on desktop and mobile I need to do this with float more I…
-
0
votes2
answers240
viewsDistorted frame in CSS for video overhead
How would I create a stylized frame in css? I want to put a youtube video on my site, but in the background I would like to make a stylized frame as I tried to draw in the image below, with some…
-
0
votes1
answer79
viewsWhy is the HTML5 <picture> tag not resizing the images?
<!DOCTYPE html> <html> <head> </head> <body> <picture> <source media="(min-width: 490px)" srcset="img/smartphone.jpg"/> <source media="(min-width:…
-
0
votes0
answers78
viewsBatches with fixed sizes and positions in responsive content
Friends, I am in the middle of an academic bias work, and I have the mission to transform this map into virtual and responsive content. For that I already have a structure of Divs self-generated…
-
0
votes1
answer72
viewsGiving Hover one element and changing the other is not working
I looked for all the ways to give hover one element and change another and some of them already knew and had tried but it wasn’t working, so I went looking for others and I tried everything…
-
0
votes1
answer298
viewsReturn controller error to JS (Jquery/Ajax)
How to check error on a call return Jquery by ajax for a controller. This return did not come formatted as you would like, just checking the custom fields. $.ajax({ type: "POST", dataType: "json",…
-
0
votes0
answers97
viewsCreating menu to link div
I have a link: <li><a href="#schedule">Programação</a></li> Which redirects to the div: <div class="schedule" id="schedule"> <h1>Programação</h1>…
-
0
votes1
answer133
viewsCSS misaligned menu items
I am developing a web application and developed a menu with some icons but when decreasing the width of the page the icons are misaligned and this is my menu but by decreasing the page width this…
-
0
votes1
answer424
viewsUncaught Referenceerror: vira1 is not defined
I’m creating a function but when it’s called it says it hasn’t been defined yet, what would be the reason ? import { Component } from '@angular/core'; import { NavController, NavParams } from…
-
0
votes1
answer1165
viewsMP3 Player Html5 and javascript
Next guys I have a script that works well, but with some limitations, the play buttons, pause, next and the slider of the position of the song work normally, but not automatically, when you finish…
-
0
votes1
answer96
viewsDisplay Popup with facebook page for users, show once every 7 days
<div id="fb-root"></div> <script>(function(d, s, id) { var js, fjs = d.getElementsByTagName(s)[0]; if (d.getElementById(id)) return; js = d.createElement(s); js.id = id; js.src =…
-
0
votes0
answers94
viewsChange Text through a class
Good morning everyone, I’m trying to change a text of a link on a Wordpress site that is the name of a category, but when I update the page using the code below is displayed quickly the old text and…
-
0
votes2
answers217
viewsSetting the color of a div in rgb
I’m doing a div, where when I click it turns orange, and when I click again, it turns white again. But I have two questions : When comparing color with rgb in part…
-
0
votes1
answer90
viewsChange output of an input type time
I have a form with an input of type="time", when I click on Submit the url sends the data like this: hrentrada=HH%3AMM&hrsaida=HH%3AMM. I’d like you to rule like this:…
-
0
votes1
answer1296
viewsHow to use bootstrap in spring boot correctly
Hello guys I’m new to Spring Boot and I’m having difficulty in some things related to Spring + Bootstrap I have an application that I put http://localhost:8082/functionCast it works normal, the page…
-
0
votes1
answer749
viewsFormat an html form input as a currency
Please someone can help me, I’m not able to format an input as currency. <label for="saldoInicial">Saldo Inicial</label> <input type="number" format="currency" precision="2"…
-
0
votes0
answers23
viewsPass information to the user via cookies
Ai, good wanted to know how do I pass information to the user through the cookie (when he is logged in appears profile button, if he is admin appears create product button, etc etc) thanks I…
-
0
votes1
answer79
viewsHow to make a hidden div appear when clicking a button appear and then hide over time
I’m trying to make a div as if it were a alert, I need it to appear when I click on a button because it starts hidden, and when it appears it starts to count a time for it to disappear. <div…