Trending questions in Java-Script

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How to detect if URL has changed after hash in JavaScript?

Hello @kartik, Use this code window.onhashchange = function() { ...READ MORE

Jun 18, 2020 in Java-Script by Niroj
 • 82,840 points • 5,038 views
0 votes
1 answer

How to check if a specific key is present in a hash or not?

Hello @kartik, While Hash#has_key? gets the job done, as it has ...READ MORE

Jul 24, 2020 in Java-Script by Niroj
 • 82,840 points • 3,400 views
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How to create a <style> tag with Javascript?

I'm looking for a way to insert ...READ MORE

Sep 21, 2020 in Java-Script by kartik
 • 37,520 points • 888 views
0 votes
1 answer

How to Intercept call to the back button in my AJAX application?

Hello @kartik, It is very easy toi disable ...READ MORE

Jun 18, 2020 in Java-Script by Niroj
 • 82,840 points • 4,800 views
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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
 • 82,840 points • 5,426 views
0 votes
1 answer

How do I declare a namespace in JavaScript?

Hello @kartik, Try this: var yourNamespace = { ...READ MORE

Sep 21, 2020 in Java-Script by Niroj
 • 82,840 points • 622 views
0 votes
1 answer

How to rollback a specific migration?

Hello @kartik, Try this: rake db:migrate:down VERSION=20100905201547 will roll back ...READ MORE

Jul 24, 2020 in Java-Script by Niroj
 • 82,840 points • 3,163 views
0 votes
1 answer

How to get the file name from a full path using JavaScript?

Hello @kartik, Use this: var filename = fullPath.replace(/^.*[\\\/]/, '') This ...READ MORE

Sep 2, 2020 in Java-Script by Niroj
 • 82,840 points • 1,406 views
0 votes
1 answer

How to use React Router with Laravel?

Hii Kartik, Create a route that maps everything ...READ MORE

Apr 29, 2020 in Java-Script by Niroj
 • 82,840 points • 6,854 views
0 votes
1 answer

How to resolve wait 5 seconds before checking whether the newState is -1?

Hello @kartik, You have to put your code ...READ MORE

Sep 2, 2020 in Java-Script by Niroj
 • 82,840 points • 1,351 views
0 votes
1 answer

How to get current date and time in JavaScript?

Hello @kartik, To get time and date you ...READ MORE

Sep 18, 2020 in Java-Script by Niroj
 • 82,840 points • 644 views
0 votes
1 answer

How to retrieve GET parameters from javascript?

Hello @kartik, This code gives you GET without ...READ MORE

Sep 21, 2020 in Java-Script by Niroj
 • 82,840 points • 547 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
 • 82,840 points • 4,849 views
0 votes
1 answer

How to delete a cookie using javscript?

Hello @kartik, Try this: function delete_cookie( name, path, domain ...READ MORE

Sep 21, 2020 in Java-Script by Niroj
 • 82,840 points • 502 views
0 votes
1 answer

How to get value of selected radio button?

Hello @kartik, Use this: var rates = document.getElementById('rates').value; The rates ...READ MORE

Sep 2, 2020 in Java-Script by Niroj
 • 82,840 points • 1,282 views
0 votes
1 answer

Error:Chrome refuses to execute an AJAX script due to wrong MIME type

Hello @kartik, By adding a callback argument, you ...READ MORE

Jun 19, 2020 in Java-Script by Niroj
 • 82,840 points • 4,457 views
0 votes
1 answer

How can I check the existence of an element in jQuery?

Hello @ Arpit In JavaScript, everything is 'truthy' or ...READ MORE

Sep 8, 2020 in Java-Script by Niroj
 • 82,840 points • 912 views
0 votes
1 answer

How to get the current URL with JavaScript?

Hello @kartik, Use: window.location.href As noted in the comments, ...READ MORE

Aug 28, 2020 in Java-Script by Niroj
 • 82,840 points • 1,356 views
0 votes
1 answer

What is the “hasClass” function with plain JavaScript?

Hello @Kartik, Simply use classList.contains(): if (document.body.classList.contains('thatClass')) { ...READ MORE

Sep 2, 2020 in Java-Script by Niroj
 • 82,840 points • 1,108 views
0 votes
1 answer

How do I remove documents using Node.js Mongoose?

Hello @kartik, If you don't feel like iterating, ...READ MORE

Sep 4, 2020 in Java-Script by Niroj
 • 82,840 points • 987 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
 • 82,840 points • 4,729 views
0 votes
1 answer

How can I make a div stick to the top of the screen once it's been scrolled to?

Hello @kartik, Using javascript: var initTopPosition= $('#myElementToStick').offset().top; ...READ MORE

Sep 4, 2020 in Java-Script by Niroj
 • 82,840 points • 868 views
0 votes
1 answer

How can i insert data in relation table using model?

Hello @Alisha, Try to work using the model ...READ MORE

Aug 24, 2020 in Java-Script by Niroj
 • 82,840 points • 1,409 views
0 votes
1 answer

How to deserializing a JSON into a JavaScript object?

Hello @kartik, To collect all item of an array ...READ MORE

Sep 3, 2020 in Java-Script by Niroj
 • 82,840 points • 834 views
0 votes
1 answer

How do you run JavaScript script through the Terminal?

Hello @kartik, Node.js is a platform built on ...READ MORE

Sep 3, 2020 in Java-Script by Niroj
 • 82,840 points • 669 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
 • 82,840 points • 4,210 views
0 votes
1 answer

How to add an object to an array?

Hello @kartik, Put anything into an array using ...READ MORE

Sep 2, 2020 in Java-Script by Niroj
 • 82,840 points • 680 views
0 votes
1 answer

How do I copy to the clipboard in JavaScript?

Hello @kartik, To copy HTML , you can ...READ MORE

Aug 28, 2020 in Java-Script by Niroj
 • 82,840 points • 909 views
0 votes
1 answer

How to replace all occurrences of a string?

Hello @kartik, As an alternative to regular expressions ...READ MORE

Aug 28, 2020 in Java-Script by Niroj
 • 82,840 points • 882 views
0 votes
1 answer

How can I determine if a variable is 'undefined' or 'null'?

Hello @kartik, You can use the qualities of ...READ MORE

Aug 28, 2020 in Java-Script by Niroj
 • 82,840 points • 691 views
0 votes
1 answer

How can I implement my own $(document).ready functionality without using jQuery?

Hello @kartik,  Use this: var docLoaded = setInterval(function () ...READ MORE

Aug 28, 2020 in Java-Script by Niroj
 • 82,840 points • 672 views
0 votes
1 answer

How to add affiliate links automatically to blog post using javascript?

Hello @ Okugbe ,  You need few lines of code, ...READ MORE

Aug 10, 2020 in Java-Script by Niroj
 • 82,840 points • 1,471 views
0 votes
1 answer

How do I test for an empty JavaScript object?

Hello @kartik, Try this: var obj = {}; return Object.keys(obj).length; Hope ...READ MORE

Aug 28, 2020 in Java-Script by Niroj
 • 82,840 points • 633 views
0 votes
1 answer

How can I display a JavaScript object?

Hello @kartik, Use native JSON.stringify method. Works with nested objects ...READ MORE

Aug 28, 2020 in Java-Script by Niroj
 • 82,840 points • 583 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
 • 82,840 points • 3,689 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
 • 82,840 points • 3,942 views
0 votes
1 answer

How can we detect timeout on an AJAX (XmlHttpRequest) call in the browser?

Hii, In order to handle a timeout: var xmlHttp ...READ MORE

Apr 27, 2020 in Java-Script by Niroj
 • 82,840 points • 5,812 views
0 votes
1 answer

How do I send a cross-domain POST request via JavaScript?

Hello @kartik, Follow this steps: Create an iFrame, put a ...READ MORE

Jul 27, 2020 in Java-Script by Niroj
 • 82,840 points • 1,875 views
0 votes
1 answer

Error:Parsing JSON giving “unexpected token o” error

Hello @kartik, Your data is already an object. ...READ MORE

Jun 19, 2020 in Java-Script by Niroj
 • 82,840 points • 3,508 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
 • 82,840 points • 4,190 views
0 votes
1 answer

What is an appropriate content-type header for JavaScript files?

Hello @kartik, JS has two registered MIME types:  The ...READ MORE

Jul 7, 2020 in Java-Script by Niroj
 • 82,840 points • 2,680 views
0 votes
1 answer

Error:bundle install fails with SSL certificate verification error

Hello @kartik, Replace the ssl gem source with ...READ MORE

Jul 25, 2020 in Java-Script by Niroj
 • 82,840 points • 1,860 views
0 votes
1 answer

Error:Request header field X-Requested-With is not allowed by Access-Control-Allow-Headers

Hello @kartik, Access-Control-Allow-Headers does not allow * as accepted value. Instead of ...READ MORE

Jul 6, 2020 in Java-Script by Niroj
 • 82,840 points • 2,523 views
0 votes
1 answer

JavaScript equivalent of PHP's preg_replace

Hello @klartik, Jusr use the global flag, g: foo.replace(/<br>/g,"\n") Hope it ...READ MORE

Jul 6, 2020 in Java-Script by Niroj
 • 82,840 points • 2,509 views
0 votes
1 answer

How can I rename a database column in a Ruby on Rails migration?

Hello @kartik, Try using this: rename_column :table, :old_column, :new_column You'll ...READ MORE

Jul 24, 2020 in Java-Script by Niroj
 • 82,840 points • 1,623 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
 • 82,840 points • 5,059 views
0 votes
1 answer

How can I get query string values in JavaScript?

Hello @kartik, You don't need jQuery for that ...READ MORE

Jul 27, 2020 in Java-Script by Niroj
 • 82,840 points • 1,435 views
0 votes
1 answer

How to run multiple npm scripts in parallel?

You should use npm-run-all (or concurrently, parallelshell), because it has more ...READ MORE

Apr 24, 2020 in Java-Script by Niroj
 • 82,840 points • 5,488 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
 • 82,840 points • 2,977 views
0 votes
1 answer

How to validate an email address in JavaScript

Hello @kartik, To validate email use the below ...READ MORE

Jul 27, 2020 in Java-Script by Niroj
 • 82,840 points • 1,225 views
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