Most answered questions in Java-Script

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Error:Origin is not allowed by Access-Control-Allow-Origin

Hello @kartik, The easiest way to handle this ...READ MORE

Jun 18, 2020 in Java-Script by Niroj
• 82,880 points
8,297 views
0 votes
1 answer

How to manage a redirect request after a jQuery Ajax call?

Hii, You can solved this issue by: Adding a ...READ MORE

Jun 18, 2020 in Java-Script by Niroj
• 82,880 points
3,217 views
0 votes
1 answer

How can I Abort Ajax requests using jQuery?

Hello @kartik, It is always best practice to ...READ MORE

Jun 18, 2020 in Java-Script by Niroj
• 82,880 points
2,570 views
0 votes
1 answer

How do I return the response from an asynchronous call?

Hello @kartik, You are using Ajax incorrectly. The ...READ MORE

Jun 17, 2020 in Java-Script by Niroj
• 82,880 points
730 views
0 votes
1 answer

How can I allow django admin to set a field to NULL?

Hello @kartik, Try to overwrite the save() method ...READ MORE

Jun 12, 2020 in Java-Script by Niroj
• 82,880 points
4,468 views
0 votes
1 answer

How to customize the auth.User Admin page in Django CRUD?

Hello @kartik, Try this in admin.py file : from ...READ MORE

Jun 12, 2020 in Java-Script by Niroj
• 82,880 points
630 views
0 votes
1 answer

How do I select an element with its name attribute in jQuery?

Hello @kartik, You can use: jQuery('[name="' + nameAttributeValue + ...READ MORE

Jun 11, 2020 in Java-Script by Niroj
• 82,880 points
831 views
0 votes
1 answer

How to check if the URL contains a given string?

Hello @kartik, You would use indexOf like this: if(window.location.href.indexOf("franky") != -1){....} Also ...READ MORE

Jun 11, 2020 in Java-Script by Niroj
• 82,880 points
6,091 views
+1 vote
1 answer

How to delete a localStorage item when the browser window/tab is closed?

Hii @kartik, You can make use of the beforeunload event ...READ MORE

Jun 11, 2020 in Java-Script by Niroj
• 82,880 points
23,920 views
0 votes
1 answer

How to retrieve config and env variable in vue component?

Hello @kartik, To access your env variables in ...READ MORE

Jun 11, 2020 in Java-Script by Niroj
• 82,880 points
10,602 views
+2 votes
1 answer

How to get Session with javascript while loading?

Hello @kartik, Use AJAX to update the view: $(document).ready(function() { ...READ MORE

Jun 11, 2020 in Java-Script by Niroj
• 82,880 points
3,611 views
0 votes
1 answer

How to Store PHP variable with HTML in JavaScript in Laravel Blade Template?

Hello @kartik, The double curly brackets {{ }} will always ...READ MORE

Jun 11, 2020 in Java-Script by Niroj
• 82,880 points
16,677 views
0 votes
1 answer

How do I post a form in laravel 5 using ajax?

Hello @kartik, You can solve this error by ...READ MORE

Jun 11, 2020 in Java-Script by Niroj
• 82,880 points
2,461 views
0 votes
1 answer

How to include csrf_token() in an external js file in Laravel?

Hello @kartik, To resolve this error you can ...READ MORE

Jun 11, 2020 in Java-Script by Niroj
• 82,880 points
3,458 views
0 votes
1 answer

How do I remove a property from a JavaScript object?

Objects in JavaScript can be thought of ...READ MORE

Jun 8, 2020 in Java-Script by Niroj
• 82,880 points
1,123 views
0 votes
1 answer

Error:No Access-Control-Allow-Origin header is present on the requested resource node.js

Hello @kartik, My guess is that you're serving ...READ MORE

Jun 8, 2020 in Java-Script by Niroj
• 82,880 points
4,336 views
0 votes
1 answer

Error:Invariant Violation: _registerComponent(…): Target container is not a DOM element

Hii @kartik, Basically what you done is right, ...READ MORE

Jun 8, 2020 in Java-Script by Niroj
• 82,880 points
2,516 views
0 votes
1 answer

How do I check if an element is hidden in jQuery?

Hello @kartik,  You can use CSS: class .hide { ...READ MORE

Jun 8, 2020 in Java-Script by Niroj
• 82,880 points
705 views
0 votes
1 answer

Error:$(document).ready equivalent without jQuery

Hello @kartik, Extends DOMContentLoaded so that it can ...READ MORE

Jun 8, 2020 in Java-Script by Niroj
• 82,880 points
738 views
0 votes
1 answer

Parse Error: Adjacent JSX elements must be wrapped in an enclosing tag

Hello @kartik, You  just need to put your ...READ MORE

Jun 8, 2020 in Java-Script by Niroj
• 82,880 points
5,147 views
0 votes
1 answer

Error:“Cross origin requests are only supported for HTTP”when loading a local file

Hii @kartik, You are loading the model using ...READ MORE

Jun 8, 2020 in Java-Script by Niroj
• 82,880 points
2,643 views
0 votes
1 answer

How to find event listeners on a DOM node when debugging or from the JavaScript code?

Hii @kartik, It is possible to list all ...READ MORE

Jun 8, 2020 in Java-Script by Niroj
• 82,880 points
127,115 views
0 votes
1 answer

How to list the properties of a JavaScript object?

Hii @kartik, Use Reflect.ownKeys(): var obj = {a: 1, b: ...READ MORE

Jun 8, 2020 in Java-Script by Niroj
• 82,880 points
803 views
0 votes
1 answer

From php returning JSON to JavaScript

Hii @kartik, You can use Simple JSON for PHP. ...READ MORE

Jun 5, 2020 in Java-Script by Niroj
• 82,880 points
760 views
+1 vote
1 answer

How to implement up and down voting of a particular thread?

Hello @kartik, Yes, JavaScript is involved. There are ...READ MORE

Jun 3, 2020 in Java-Script by Niroj
• 82,880 points
888 views
0 votes
1 answer

Uncaught TypeError: Cannot read property 'indexOf' of undefined

Hello @kartik, First of all, you don't need ...READ MORE

Jun 2, 2020 in Java-Script by Niroj
• 82,880 points
18,972 views
+1 vote
1 answer

How to get error status code of http get NodeJS?

Hello @kartik, An error code 400 response is ...READ MORE

Jun 2, 2020 in Java-Script by Niroj
• 82,880 points
3,872 views
0 votes
1 answer

SyntaxError: expected expression, got '<'

Hii @kartik, This code: app.all('*', function (req, res) { ...READ MORE

Jun 2, 2020 in Java-Script by Niroj
• 82,880 points
4,939 views
0 votes
1 answer

Error:Callback of .animate() gets called twice jquery

Hiii @kartik, To get a single callback for ...READ MORE

Jun 2, 2020 in Java-Script by Niroj
• 82,880 points
1,248 views
0 votes
1 answer

Switch statement for string matching in JavaScript

Hello @kartik, Just use the location.host property switch (location.host) ...READ MORE

Jun 2, 2020 in Java-Script by Niroj
• 82,880 points
614 views
0 votes
1 answer

How do you cache an image in Javascript?

Hii @kartik, You have to do three thigs: You ...READ MORE

Jun 2, 2020 in Java-Script by Niroj
• 82,880 points
7,243 views
0 votes
1 answer

How to implement useEffect() so the list on the front page updates only when a name change has been detected?

Hello @kartik, Instead of passing the entire object ...READ MORE

Jun 1, 2020 in Java-Script by Niroj
• 82,880 points
740 views
0 votes
1 answer

How to Get values from a specific user - queryset in Django?

Hello @kartik, You can get the list of Users ...READ MORE

May 28, 2020 in Java-Script by Niroj
• 82,880 points
10,407 views
+1 vote
1 answer

Error:SQL “between” not inclusive

Hello, It is inclusive. You are comparing datetimes to dates. ...READ MORE

May 28, 2020 in Java-Script by Niroj
• 82,880 points
542 views
+1 vote
1 answer

How to Check synchronously if file/directory exists in Node.js?

Hello, You can use fs.existsSync(): const fs = require("fs"); // ...READ MORE

May 28, 2020 in Java-Script by Niroj
• 82,880 points
1,631 views
0 votes
1 answer

How to get the browser to navigate to URL in JavaScript?

Hii, This works in all browsers: window.location.href = '...'; If ...READ MORE

May 28, 2020 in Java-Script by Niroj
• 82,880 points
2,395 views
0 votes
1 answer

How do you access the matched groups in a JavaScript regular expression?

Hello, Here’s a method you can use to ...READ MORE

May 28, 2020 in Java-Script by Niroj
• 82,880 points
1,635 views
0 votes
1 answer

Error: Cannot resolve module 'style-loader'

Hello @kartik, Try  to run script below: npm install ...READ MORE

May 18, 2020 in Java-Script by Niroj
• 82,880 points
6,327 views
0 votes
1 answer

How to create dynamic href in react render function?

Hello @kartik, Use string concatenation: href={'/posts/' + post.id} The JSX ...READ MORE

May 18, 2020 in Java-Script by Niroj
• 82,880 points
10,619 views
0 votes
1 answer

How to get rid of underline for Link component of React Router?

Hello, If you are using styled-components, you could do ...READ MORE

May 18, 2020 in Java-Script by Niroj
• 82,880 points
11,185 views
0 votes
1 answer

How to use Redirect in the new react-router-dom of Reactjs?

Hello, To navigate to another component you can ...READ MORE

May 18, 2020 in Java-Script by Niroj
• 82,880 points
8,430 views
0 votes
1 answer

How to do API call in react js?

Hello, Use fetch method inside componentDidMount to update state: componentDidMount(){ fetch('https://dey.me/api/') ...READ MORE

May 18, 2020 in Java-Script by Niroj
• 82,880 points
1,941 views
0 votes
1 answer

How to select and manipulate CSS pseudo-elements such as ::before and ::after using jQuery?

Hii @kartik, Here is the way to access ...READ MORE

May 18, 2020 in Java-Script by Niroj
• 82,880 points
6,074 views
0 votes
1 answer

How to get the directory of the currently running file?

Hello @kartik, This should do it: import ( ...READ MORE

May 6, 2020 in Java-Script by Niroj
• 82,880 points
1,181 views
0 votes
1 answer

Error: spawn ENOENT on node.js?

Hii, Before anyone spends to much time debugging ...READ MORE

May 5, 2020 in Java-Script by Niroj
• 82,880 points
22,105 views
0 votes
1 answer

Cannot install NodeJs: /usr/bin/env: node: No such file or directory

Hii, If you already have nodejs installed (check ...READ MORE

May 5, 2020 in Java-Script by Niroj
• 82,880 points
4,622 views
0 votes
1 answer

How do I pass command line arguments to a Node.js program?

Hello @kartik, If your script is called myScript.js ...READ MORE

May 5, 2020 in Java-Script by Niroj
• 82,880 points
2,927 views
0 votes
1 answer

How can I update NodeJS and NPM to the next versions?

Hello @kartik, First check your NPM version npm -v 1).Update ...READ MORE

May 5, 2020 in Java-Script by Niroj
• 82,880 points
781 views
0 votes
1 answer

How to access GET directly from JavaScript?

Hello @kartik, You can first go through: window.location.search It will ...READ MORE

Apr 29, 2020 in Java-Script by Niroj
• 82,880 points
2,018 views
0 votes
1 answer

How to change url after success in ajax without page reload?

Hello @kartik, Use the browser history to change ...READ MORE

Apr 29, 2020 in Java-Script by Niroj
• 82,880 points
9,344 views