Questions tagged as 'javascript'

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Saving Cached Files in PWA

In developing a Progressive Web App (PWA) is it possible to store cached files online for offline access to ensure that the application continues to function while at the same time saving on bandwidth? Well, it is possible to save images or f...
asked by 20.08.2018 / 21:57
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Change Input color when typing x characters [duplicate]

I would like that when a person types more than 10 characters in my input , he would change the color to green, otherwise it turns red. That's without the refresh . The person would not have to click the button to change colors. I would l...
asked by 09.08.2018 / 03:55
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Function not defined after requiring module

I was creating two separate modules from my main code to keep it organized and easy to understand. So I created a new folder and in it 2 files, index.js and search.js The function of search.js is to retain a function....
asked by 09.08.2018 / 02:56
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Uploading files with AJAX before writing to the database

I have a product registration form where you can select multiple photos. So far so good, but I need to perform some validations on the photos selected. And from what I've seen it's only possible to upload those files via AJAX the moment they are...
asked by 09.08.2018 / 02:55
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Responsive text box

I have a textbox on top of an image-map that is responsive, like this: <div class="lala" role="main" style="height:100%"> <img class="imgg" src="../images/sellec.jpg" style="opacity:0; width:1790px; height:974px" usemap="#image-map"&g...
asked by 09.08.2018 / 13:44
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Real time editors of html, css and javascript offline [closed]

I've been using real-time editors like codepen.io and jsfiddle. net , but they are online, I researched some offline programs and most of them are paid or do not do the same service, do you know any free and offline alternatives to these publ...
asked by 11.08.2018 / 01:32
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React Native Error

Someone could help me I received the following feedback Não esqueça de cancelar as notificações e agendar as notificações do dia seguinte quando o usuário terminar um quiz :thumbsup:. Você pode usar, por exemplo, o isQuestionAvaliable para tes...
asked by 12.08.2018 / 23:57
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POST in ReactJS with object included, how to do?

I need to make an enrollment for Course Instructors, in which each instructor will have a course. How do I? I'm doing it that way and it's not going: PS.: variable name and email receive a variable in String , already the course va...
asked by 13.08.2018 / 07:13
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JavaScript: How can I get / change an attribute within the Placeholder="{" id ":" 10 "," selected ": false}"

Hi People . First of all, I did not even know what to put these attributes in. of the Placeholder, hehehe, had never even seen it. <div class="cellContent" placeholder="{"id":"103","selected":false}"></div> If possible any...
asked by 12.08.2018 / 18:20
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How to write information (cpf) of an edit with a mask and a numeric field

In the database I have the CPF field of type bigint. In the model it is a long. This is what was requested in the requirement. Well, in the model I will masquerade for a DataType.Text to accept the mask, but when I leave the field (OnBlur) the f...
asked by 12.08.2018 / 18:28