Questions tagged as 'html5'

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ERROR: It seems that Html2Pdf dependencies are not installed ... you must install thems with 'composer install'

I get this error when I installed the dependencies as it says the composer and even so I still give that error, what else may be happening I leave the code for the submission of the form: <?php error_reporting(E_ALL ^ E_NOTICE);...
asked by 18.12.2018 / 23:18
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Javascript puts the same value to all the elements

Doing this puts the same value on all the progress bars: <td> <div class="progress"> <div class="progress-bar progress-bar-success progress-bar-striped active"...
asked by 18.12.2018 / 18:21
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Get data from a form and create a url to which I redirect with javascript

I have a form and I would like it when I press a button to redirect me to a page with the values in the url, something like this:    "www.google.com?nom=luis&[email protected]". This is my code: <button id="send" onclick="p...
asked by 26.12.2018 / 22:43
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I can not retrieve data from a form (HTML and JavaScript)

The idea is that I have a form, and when I fill it out and click on a button, it shows the results just below, on the same HTML page. It is assumed that when you click on: <input type="button" name="validar" value="Mostrar" onclick="mostrar...
asked by 15.12.2018 / 16:38
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How to make an element visible when another appears by scrolling on the screen?

I have my page created with a long scroll. In a position And I have a DIV element and inside a form. I am interested that if I scroll up or down and at that moment the DIV element appears on the visible screen I will see an alert type alert on t...
asked by 14.12.2018 / 17:19
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Calculate subTotal and Total in a dynamic html and Javascript table

I hope you can help me, I have created a table where I register the item, quantity, unit price and I need you to calculate unit price and assign it to subtotal and then the sum of the subtotals to an input of TOTAL, what I do is search a purchas...
asked by 11.12.2018 / 11:55
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How to open an html page from javascript, passing parameters

I am looking to open a new page, but when opening it, a parameter is passed. Example: file A: <html> ..... <script> var user="mi_nombre_de_usuario"; location.href="/pagina_b"+user; </scritp> ..... </html> So...
asked by 04.01.2019 / 22:53
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Make an insert in two diffent tables

hello I have a question about how to make an insert to two different tables with php having foreign key, this in a single form that you have ... CREATE TABLE validador(id_registro int not null PRIMARY KEY AUTO_INCREMENT,id int not null, FOREIG...
asked by 11.12.2018 / 16:26
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Create a rotating random currency in JS, HTML and CSS

I am trying to create a coin of chance (heads or tails) that rotates before giving me the random result, I have the following code of js that creates the elements and assigns the corresponding div the function giroVoneda, in the public folder I...
asked by 11.12.2018 / 14:29
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Apply Styles to a Datalist in the options

I have this problem, I have an input which has a datalist: <input id="EmplName" runat="server" list="listEmpl" oninput='onInput()' placeholder="All Employee" /> <datalist id="listEmpl" runat="server" /> Now I want to kn...
asked by 04.12.2018 / 18:15