Questions tagged as 'html5'

3
answers

How to pass variable from javascript to twig?

The following code is for me to load on the page a CSS or another depending on the chosen theme. This code works perfectly on page HTML pure, but when I try to take my application Symfony not found a way to pass the JS %%...
asked by 05.08.2016 / 17:34
2
answers

Center text of an HTML label

I have a problem, and that is that I'm doing a program with jquery, and for each box I'm using a label (teacher's requirements), but I can not center the letters on the edges, they're going towards the top edge. I leave the source code...
asked by 04.04.2018 / 17:01
1
answer

Fill HTML table using 3 PHP Arrays

I write about a problem when displaying an HTML table using 3 different arrays. I explain my problem a bit: I have an arrangement where I get some ID's, these ID's should go in the header of the HTML table, the result will always be 33 r...
asked by 13.06.2017 / 16:23
1
answer

Side headboards on tables

How can I create left side headings in tables? For example, I have the following table: <table border="1" cellspacing="0"> <thead> <tr> <th>Titulo 1</th> <th>Titulo 2</...
asked by 01.03.2017 / 18:38
3
answers

Synchronize audios with HTML5 and Javascript

I want to merge two audios into one to synchronize them with HTML5 on the client side. I've seen that with Web Audio Api you can do many things, but I have not been able to find how to do it. I have the link to two audio files (.mp3, .wav ......
asked by 22.07.2016 / 11:39
2
answers

Other uses of the link tag

Apart from the traditional use of cascading style sheets: <link href="style.css" rel="stylesheet"/> Is there any other use of the <link> element that is useful in a web page? Does the HTML5 standard give any light about i...
asked by 26.02.2016 / 04:08
1
answer

real-time currency exchange from MXN to USD online store to show prices

I have an online store and the prices of each product are shown in dollars and one side will show an "approx" in Mexican pesos as what aliexpress does, or failing to know if to handle these currency changes depending of the language that is sele...
asked by 25.07.2016 / 08:21
2
answers

How can I disable or enable a select from another select?

What I would like to do is that when the form is in option "Choose an option" make the other select disabled and that when selecting a different option example: cardio vascular, activate one of the select diagnosis and not e...
asked by 22.08.2016 / 17:33
1
answer

div to be placed on top of the div that contains it?

I have the following code that dynamically puts some draggable images on top of another image. When you put the mouse on the div sensor, the info appears, but when it is in a corner, the div info is covered by the div that c...
asked by 20.03.2018 / 00:34
1
answer

How to capture the sound intensity of an audio or video tag in HTML5

I would like to know if anyone knows how to capture the sound intensity, or some kind of information that could be provided to me if a video has sound or not at a certain moment. The goal is to have a tag of type <video> in a web...
asked by 20.10.2016 / 12:34