Questions tagged as 'html'

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Collect the months in HTML and PHP from a select

I am trying to develop a function to be able to collect the months in HTML and PHP from select . At the moment, what I have is: <!DOCTYPE html> <html> <head> <title></title> </head> <...
asked by 23.10.2018 / 15:22
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Problems saving src image in localStorage

This is my html page: <!DOCTYPE html> <html lang="es"> <head> <link rel="stylesheet" href="css/miestilos.css"> <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script> <...
asked by 22.10.2018 / 16:45
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How to make a pull-down menu centered?

I have all day trying to center the pull-down menu and nothing that I have achieved. It should be noted that part of the menu is made with Bootstrap since I think of making the page with this framework, the pull-down menu I was trying to do with...
asked by 05.11.2018 / 01:40
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error in the account

I am creating a survey and when adding the total votes that have been made, I get an error. This is the code: <?php $resultado=""; if(isset($_COOKIE['voto'])) $voto=$_COOKIE['voto']; if(isset($_REQUEST['voteID'])) $voteID=$_REQU...
asked by 21.10.2018 / 16:32
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I need to outline figure with color

As you can see, it goes from the outline I need to fix it. I leave the codes here: link     
asked by 05.11.2018 / 00:02
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PHP color tables, rows and columns

How could I structure the following code adequately to achieve these results? I'm a bit lost with the PHP theme to "merge" with the html. If it is 4x4 it shows 16 numbers, the odd ones in green and the pairs in red. <html> <...
asked by 26.10.2018 / 14:17
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add counter value to the input id

Hi, I've been trying to solve this problem for several days, I hope you can help me. I have a button that when you click on it adds a new row to a table. <input type="button" class="btn" name="btn_agrega_fila2" id="btn_agrega_fila2" valu...
asked by 26.10.2018 / 21:02
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PHP Error Undefined offset: 2

When programming this code, the following error appears: Undefined offset: 2 . What could be the cause? function checkCourt($fecha,$pista){ //Entorno: $coincidencias;$fp;$nombre_archivo;$linea; //Algoritmo:...
asked by 27.10.2018 / 21:49
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Center Modal Window window.open with JavaScript

I would like to know how to center a modal window made with window.open horizontally and vertically, what I have is this: var myWindow ="wa.me/…?"; window.open(myWindow, "", "width=600,height=400");     
asked by 18.10.2018 / 05:42
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Show alert with a Gauge chart

Dear, I currently have a gauge chart on my page which works, my question is how can I do so that when I click on a meter an alert is raised? I'm working with this code <html> <head> <script type="text/javascript"...
asked by 17.10.2018 / 15:24