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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answers1464
viewsMemory game with Javascript
I’m developing this game for a mobile app, along with Ionic, angular2, CLI, among others. However logic is totally with javascript but as every game has its rules I stopped at the part where the…
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answers103
views"Error" upon completion of CSV import
Good afternoon, I created a code in PHP to read a . CSV containing Name, Email and IP. The goal is to consult the Geolocation API of http://ip-api.com/ and return me the state corresponding to the…
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answer25
viewsCreate a javascript function for all application buttons
Guys, I would like to create a javascript function for all the buttons of the application, IE, every button when it is clicked it will call this function. Note: No need to put the onclick on each…
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answer93
viewscheck if a video link is still working
I am developing a site and I use a link q in time in time It gets off, I already have the system I run to update this link but it is in manual mode to run. I was wondering if you have any way to…
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answer34
viewsAdjust div to display the center of the image on smaller screens without changing the image size
I have an image like this: On smaller screens, I want it to be seen in the center, without changing the size and scale of the image Does anyone have any idea how to do that?…
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answers611
viewsCSS - When you click on a checkbox... paint a TD
Here’s what I’m trying to do: By clicking on a check box, she paints the background orange... I needed you to also paint the background of TD, because currently only painting the background of the…
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answers151
viewsBoostrap with different views in Chrome and Firefox
I have a dynamic list fill code that in firefox correctly displays the fields, but in Chrome is disorganized, as if boostrap is not working. Follow the code below function inserirFormulario(dados) {…
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answers208
viewsremove right column
Based on a script of the answer to that question: Dynamic table with angular Where it creates a dynamic table with angular, but it cannot exclude the right "cell", it always excludes the last…
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answers40
viewsJavascript - Function that changes the background of the parent element
I’m having trouble making a Function. Can help me? After clicking on the checkbox or on the label, it colors only the word, I would like to color also the background of the div, I tried to make a…
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answers1576
viewsPOST API Rest JSON
I have a form in HTML which should send data to a server in format JSON. How I format this input data and send to a Rest API the JSON data the way I described below? In my view I need to do a POST,…
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answers1173
viewsColor chartjs numbers
I made a code in js and php but I can’t find where you are setting the color of the numbers that show the values on the dots of the graph lines. I need to know at what point you have the red color…
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answer29
viewsHelp with search
I have a simple search field below, which when used returns with a link similar to:meusite.com/search?q=minhabusca. I need him to come back like…
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answer52
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answers3345
viewsGo through jquery inputs and check if you have a certain class in input
I’m picking up the inputs with the code var itensTabelaPresentation = ('#tabelaPresentarion > li'); and would like to walk through them and go checking if they have certain class, how do I…
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answers849
viewsAdd a None display to a div
I’m trying to do a preg_replace to add a style in the id="content" div, but I didn’t have much success, someone would have a better idea? Trying $html = preg_replace('/<div…
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answers462
viewsMaximum value of input
My doubt is the following, I would like to know what is the maximum of characters that a tag input text supports, I thank you already for the attention.
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answers136
viewsHow to take the scroll out of an input date field?
I have an input date field, when I change the date and continue to focus on the field, if I use the scroll, the date changes. I need to disable this scroll when the field has selected.
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answer80
viewsWhy use a Select Multiple or Checkbox?
To recover multiple values selected by the user and write to a database, what would be the best use option? What are the differences between one form and another?
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answers112
viewsHTML tag not shown
I make a query in a given table and the result is as follows: <p><span style="font-size:14px;"><strong><span style="color: rgb(120, 120, 120); font-family: "Trebuchet…
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answer43
viewsIs it possible to monitor all of the page’s Responses and Headers to use as a function trigger?
I have a script that needs to be executed only after the return of a page request, because the request returns HTML content, and the function I want to execute soon after, implements that received…
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answer1507
viewsHow to simulate a search (CTRL+F)?
The scenario is this, I have a search field on a simple page with no database, and I need that when I write a word in this field an HTML search is done similar to what happens if I do a search with…
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answers170
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answers431
viewsGo to certain link depending on the page
I’m developing a quiz with several themes, but it’s time to put it to a certain page depending on which page the person is on. I thought I’d use the if but he always goes for the last if, I’ll put…
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answer492
viewsActivating sound in video background html page
I have a question, it seems simple, and I believe it is: I have a video that I use as background, and it has the attribute "mute" to run in the browsers, but I want to provide a button for the user…
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answers474
viewsonclick event does not work on Chrome!
I’m not managing to perform a transition exercise. I have the img One lamp’s out and one’s lit and one’s broken! Until accesses I could, but when it is pa, to break the code does not work! Here is…
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answers163
viewsConditional javascript call in Html5
How can I call a script obeying a conditional on Html5? For example, depending on the address in the browser it loads a certain script If the address is http://leituracrista.com/audioplayer/ loads…
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answer69
viewsHow to remove the border in Bootstrap when an object is clicked?
The question is self esplicativa, I have a button in specific that I would not like it to have this effect that the bootstrap puts by auto when it is clicked, already tried to change in css, but…
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answer2413
viewsJava external html page script not working
I’m having a problem on my pages after trying to put js in an external file it just crashed, and I couldn’t find the error so far. Follows the codes HTML <script type="text/javascript"…
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answers757
viewsHTML and PHP form
How it works to send to the email or according to the hosting plan to be able to access the forms of customers of the site <!DOCTYPE html> <html> <head> <meta…
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answer79
viewsUL does not follow normal page flow
I’m having a problem in developing a specific page of my site, where for some reason a Ul is coming out of the "normal flow", using the developer tools of Chrome gave to verify that it leaves the…
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answers222
viewsGetting TD value and placing it in the array - Javascript
I need to get the value of a td and place it in the array as in the following example: function finalizaCompra() { var tbl = document.getElementById("tblItens"); var produto = []; if (tbl != null) {…
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answers102
viewsPosition element using another element reference
positions an element using the reference of the position of the div box, the element is on display None and when it receives the click event it appears on the screen, however it should appear below…
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answer72
viewsValidate value of a select
<label>Itinerário</label> <select id="itinerario" name="itinerario" class="form-control form-control-sm" required readonly> <option value="" selected>Selecione um…
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answers159
viewsClose Nav side when performing the function of scrolling the page
/posts/252168/edit# section{ height:100vh; width:100vw; } #a{ background-color:black; } #b{ background-color:red; } #c{ background-color:green; } #d{ background-color:blue; } <!DOCTYPE html>…
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answers50
viewsHTML and CSS contact selection
Hello, I was recently looking at a site and I found very interesting a selection/filter system in the contacts tab (https://www.evoluaja.com/contato/) When you open the contact page, you are asked…
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answers26
viewsns_error_not_available when placed on the web server
I made a mini game on the localhost and everything was working perfectly.. Then I uploaded it to the web server and the game started crashing with the error "NS_ERROR_NOT_AVAILABLE:". ... var…
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answers228
viewsBug Carousel inside modal Materialize CSS
I have the following bug, I have a modal and inside it I put this Carousel. <!DOCTYPE html> <html> <head> <!--Import Google Icon Font--> <link…
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answers90
viewsHow to change div 3 inline images to only 2 inline images for tablet mode
Good afternoon, I’m a beginner in Html, CSS and Javascript and this is my first project. My group and I are doing a website on theme parks. Almost at the bottom of the page, I have 3 images in each…
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answer47
viewsWebplayer modifiable with JS
I’m creating a "Webplayer" page and I need two things on it: 1: A list with EPS that when clicking change the link inside the embed "video" 2: Function to manipulate the embed "video" and redirect…
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answers928
viewsMaximum limit of POST
I am trying to make a video upload form but I have a problem that makes it impossible to upload because I always get the following error: Warning: POST Content-Length of 69509336 bytes exceeds the…
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answer380
viewsSubmit sending several times
I have a form where I check if the checkboxes are selected before sending Submit, but when the return is false (there is no checkbox selected), after selecting the checkbox and clicking the Submit…
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answer324
viewsHow to insert single quotes inside simple html quotes
I need the placeholder for my input tag to be "Patient’s Name" and thanks to the script being used, I can’t double quote. I would like to know how I can insert a single quote within two single…
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answers168
viewsError in cpf mask
I created a form but when I went to put mask in the CPF to look like this Ex.(000.000.000-00) does not assign <head> <meta charset="UTF-8"> <title></title> <script…
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answer117
viewsVue js render video
I have the following component: <div v-for="video in videos" :key="video.title"> <video class="video-js" controls preload="auto"> <source v-bind:src="video.src" type="video/mp4">…
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answer196
viewschecked="checked" does not work on ng-repeat
I’m working on a resume feature where basically the user will click on a respective radio button in which he has experience. The problem is that for a list it will come from back-end, that now she’s…
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answer139
viewsWhat is the difference between the pseudo class :root and the * {} in CSS?
Do the two have the same function? Both generally define certain procedures. When I should use one or the other?
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answer1884
viewsBootstrap navbar close
Hello, I am using bootstrap version 4.0 beta-2, and I have a question, how do I close the navbar menu after clicking on a list item? By default you need to click on the item and click again in the…
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answer2242
viewsHow can I create an edit button to edit a dynamically created table in Java
<!DOCTYPE html> <html> <head> <title>Tabela dinamica</title> <link rel="stylesheet" type="text/css" href="css/css.css"> </head> <body> <form…
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answer46
viewsHow to center an H3 with background-color?
How can I leave this H3 centralized with the background-color? I tried everything, I looked on the internet but I couldn’t find a solution <style> h3 { background-color:#98FB98; margin-top:…
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answers18
viewsHow to change the color of the words inside the "" in the visual studio code
I wonder how to change the color of that yellow part. https://prnt.sc/vmit8l/