Questions tagged as 'html'

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Upload data and images of a form with Node.js - form / data

I am developing a web page in which in one of its sections the user must register a product (DATA) and upload an image (optional) concerning it. When you click on the "Save" button you should upload the image to the server, register the data in...
asked by 24.10.2018 / 04:20
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Make textarea occupy 100% of the width

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" integrity="sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm" crossorigin="anonymous"> <script src="https://code.jq...
asked by 09.11.2018 / 18:43
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I need to center the mirlet jquery css

I have a peephole for a game made with jquery css and html, the cursor is in the top left in realdad not in the center of the sight, any suggestions? Thanks in advance the css is like this cursor: url ("img / reticle.png"), auto;     
asked by 11.11.2018 / 12:56
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Problems trimming bakcground image

Pagina.html <div id='resultado'></div> <img id="imagen1" src="http://img2.rtve.es/v/1451521/" '="" style="margin: 0px 576px 324px 0px;"> <div id='imagen'>Imagen</div> app.js var margin_top= $('...
asked by 09.08.2018 / 13:48
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Problem with requiered tag

Good, I have the following code. window.onload = function () { var placa = document.getElementById('placa'); placa.onblur = Validar; } function Validar(){ var placa = document.getElementById('placa'); placa.addEventListener('i...
asked by 08.08.2018 / 22:12
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Carousel of photos - prev next - that does not consider the display: none

I'm creating a photo carousel. I have a list of several thumbnails but they are only visible 3 at a time. Clicking on one of them is shown below in large and with a text. My theme is the organization of these three elements: <p>&l...
asked by 08.08.2018 / 21:23
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JavaScript: .push is not a function

How are you? I'm practicing some JavaScript, since I'm new to it, and I'm trying to create a "space invaders" game with p5.js. I have made some progress, but, I have encountered a problem that I can not solve: var ship; var aliens = []; var m...
asked by 10.08.2018 / 01:37
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how I change the backgroung of a higher div when I pass over the menu

I'm trying to make a dynamic menu that changes the bg of a page. But I have problems that I change the background if I do it with the general background of the page if it comes out, but in a div, no. function menu_id(id){ docum...
asked by 23.08.2018 / 07:25
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Why does not my Jquery dialog appear when I click?

I am trying to make a confirmation dialog that happens when you click on the delete link, the dialog is displayed. Are you sure you want to delete the app? But for some reason it does not appear to me. This is my html. <a class="link_poi...
asked by 03.08.2018 / 21:27
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Pass value from mysql to input

Hello good afternoon I need to pass value from mysql to input (text box), I'm doing it in the following way but it throws me the following error: $conexion=mysqli_connect($nombre_host,$nombre_usuario,$contrasena_usuario,$nombre_bd); $cons...
asked by 04.08.2018 / 20:07