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Questions tagged [javascript]

JavaScript (not to be confused with Java) is a high-level, dynamic, multi-paradigm, object-oriented, prototype-based, weakly-typed language used for both client-side and server-side scripting. Its primary use is in rendering and manipulating of web pages. Use this tag for questions regarding ECMAScript and its various dialects/implementations (excluding ActionScript and Google-Apps-Script).

1,786,834 questions
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Javascript closure not doing what expected. (Atmoic value not being maintained inside closure)

I am running into a problem when I am attempting to use a closure to maintain a value that I use upon a callback from an asynchronous function. The basic order of operations for the functions is: I ...
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JS get value with onClick on div element (dropdown)

In my div i have list of items: <div id="itemList" class="dropdown-content"> <a value="1">item1</a> <a value="2">item2</a> <a value="3">item3</a> <a value=...
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Duplicate form inputs into new bootstrap tab

I'm currently dealing with a form submission page, where a user can submit expenses for each trip they make during client hours. I've got the form all setup, pulling info from the database for the ...
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How to convert display view of Date column from Psql database

I have a psql database set up with a date column that is the DATE type. When I receive the data from the database and try to display it in a table on my website the date appears with the timezone ...
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Calling an external Javascript function in html using flask, showing function not defined

I am using flask to {% extends "base.html" %} and insert {% block js_file %}, then I call functions defined in .js file but receive uncaught referenceerror is not defined. I have a base.html ...
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When using the Flickr API, how do you display a gallery of Flickr photos while using the Lightbox plugin?

I'm trying to allow the user to click on each photo and get a full screen view, using the lightbox plugin. However, I am getting the error 'This photo is no longer available' when making href equal to ...
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how to search google with speach reconition from your website

i have a "jarvis" or personal assistate in a web vrowser. it runs on some speach recontion code i will put at the bottom. i want to tell it to google something, then say what i want it to google, and ...
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passing returned data from an exported function to a React component

I have a function defined in file 'utils.js' like this: export function get_data() { return "some_data"; } I also have my react component defined as follows in file 'myComponent.js': import * ...
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Issue when scrolling down the ion-option list, on scrolling up and down it selects the checkbox

I m using ion-select and ion-option to display some content in the alert controller. It has a type multiple so that multiple options can be selected using a checkbox.But the problem is in case of ...
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Parent prop updating too late in React/Redux

I have a parent component (parent.js) that calls two children components (child1.js, child2.js). This is all on one tab - child1 is basically an input form to add an event on a calendar and child2 is ...
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Javascript - Favorite button that saves a cookie and remains saved when user refreshes the page?

I'm trying to create a favorite button for my sample site for class. When I click the button it works and takes the user to the detail page as needed but when I go back to the main page it doesn't ...
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Script returning 'TypeError: cannot read property length from NULL' even though its not

I'm trying to read in a CSV file with email IDs which will be used as a search filter to get customer records and remove their email ID on their records. Here is my code var context = ...
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React & MobX - How to use Prompt as a confirmation dialog when a person navigates away from the URL?

I'd like to use Prompt for this. However, I'm not seeing too many use cases of it being put to use in action. <Prompt when={shouldBlockNavigation} message="Are you sure?" /> What's ...
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Mongoose create document in wrong key:value order according to schema

So I have a problem with understanding of how Mongo .create and .findAndUpdate operation works. I have mongoose 5.4.2X and a model with schema which has lot of key:value pairs (without any nested ...
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How to dynamically expand bootstrap a tree view node with jquery/javascript

I have a tree view element with some radio input elements in each node, i am able to dynamically check a radio input but unable to expand a node that contains the checked radio input. Is there a way ...

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