Questions tagged as 'javascript'

Tagged questions
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Proper implementation of javascript Promises Chaining [closed]

I made an implementation of Javascript Promises and I would like you to give me feedback on how I did it. I think I'm not doing it correctly in terms of chainning, also because in the code I have several levels of indentation. They almost look l...
asked by 22.08.2018 / 19:28
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How can I count the number of times a class of my html element changes?

The case is as follows: I have 3 elements of the type div that makes a carousel with boostrap and in those divs there is a default class called item and when the div is selected or visible to that item another class is ad...
asked by 03.08.2018 / 20:14
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doubt with the $ .get function of the jquery library

I am learning javascrit using the jquery library, and I have not been able to solve the following problem, which consists of a login that the user requests and constrasena, and if they agree with the user that is defined in a php file I should s...
asked by 03.08.2018 / 23:09
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Video Splash in with Bootstrap 3 in mobile version

I have a problem with a video in mp4 which I want to put it as video splash before it redirects to the HTML home. In the desktop version it plays normally but in the mobile version the video does not appear. $(document).ready(function(){...
asked by 02.09.2018 / 01:01
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How to send input values type "hidden" ajax?

The question is the following one, I am elaborating a project of degree I am doing sending of values stored in "hidden" inputs, but as they are different forms I want to try to make a single shipment, which sends me only the data of the form of...
asked by 02.09.2018 / 17:42
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Uncaught TypeError: Can not read property 'getFile' of undefined [duplicated]

Hello, how am I trying an html course? I have reached a point where I can not move forward for the following reason. I am using apifile to create and read files. then when you click on accept I get the following error Uncaught TypeEr...
asked by 03.09.2018 / 03:52
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Library JSZip does not work outside of its official website

I need to use the JSZip library or its JSZip-utils variant to compress files (in my case external via URL), but the strange thing is that no matter how much the library, use the example code in my project as well as in pages jsfiddle type, it do...
asked by 20.08.2018 / 12:30
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can not read property 'value' of undefined

I'm trying to make a quick add button to the cart but I have a problem and it is that I get the error:    Can not read property 'value' of undefined ' I am using ajax and php. I do not know what the problem could be, that is why I come to...
asked by 17.08.2018 / 19:11
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Datatable functionality

Good morning I would like to know that datatble or functionality I must download / use / implement to have the effect of the image I mean that when you click on the green button you display the information below (salary in this case) thanks...
asked by 17.08.2018 / 18:46
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Calendar with PHP, JavaScript and AJAX

I need to make a code that reads the date that the user selects, through a calendar made with Boostrap, the detail is that I can not find a way to achieve my goal. Annex code that I currently carry: Bring calendar data: function calendar(){...
asked by 19.08.2018 / 22:43