Most voted questions in Java-Script

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1 answer

How do I add arbitrary html attributes to input fields on a form?

Hello @kartik, If you are using ModelForm, apart from ...READ MORE

Jul 27, 2020 in Java-Script by Niroj
• 82,880 points
658 views
0 votes
1 answer

How do I POST urlencoded form data with $http without jQuery?

Hello @kartik,  I think you need to do ...READ MORE

Jul 27, 2020 in Java-Script by Niroj
• 82,880 points
11,915 views
0 votes
1 answer

How to get the jQuery $.ajax error response text?

Hello @kartik, Try: error: function(xhr, status, error) { ...READ MORE

Jul 27, 2020 in Java-Script by Niroj
• 82,880 points
29,377 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
• 82,880 points
1,334 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
• 82,880 points
998 views
0 votes
1 answer

How do you get a timestamp in JavaScript?

Hello @kartik,  Use this: +new Date I also like this, ...READ MORE

Jul 27, 2020 in Java-Script by Niroj
• 82,880 points
409 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
• 82,880 points
862 views
0 votes
1 answer

How do I include a JavaScript file in another JavaScript file?

Hello @kartik, It is possible to dynamically generate ...READ MORE

Jul 27, 2020 in Java-Script by Niroj
• 82,880 points
574 views
0 votes
1 answer

How do I remove a property from a JavaScript object?

Hello @kartik, The delete operator is used to remove properties ...READ MORE

Jul 27, 2020 in Java-Script by Niroj
• 82,880 points
711 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
• 82,880 points
1,554 views
0 votes
1 answer

How do I parse JSON with Ruby on Rails?

Hello @kartik, Use  hash = JSON.parse string Rails should automagically ...READ MORE

Jul 25, 2020 in Java-Script by Niroj
• 82,880 points
4,139 views
0 votes
1 answer

How to convert a ruby hash object to JSON?

Hello @kartik, You can also use JSON.generate: require 'json' JSON.generate({ foo: ...READ MORE

Jul 24, 2020 in Java-Script by Niroj
• 82,880 points
11,908 views
0 votes
1 answer

How can I specify a local gem in my Gemfile?

Hello @kartik, In order to use local gem ...READ MORE

Jul 24, 2020 in Java-Script by Niroj
• 82,880 points
3,346 views
0 votes
1 answer

Error:installing mysql2: Failed to build gem native extension

Hello @kartik, In my case this helped: $ export ...READ MORE

Jul 24, 2020 in Java-Script by Niroj
• 82,880 points
7,411 views
0 votes
1 answer

How to drop columns using Rails migration?

Hello @kartik, Use this: remove_column :table_name, :column_name For instance: remove_column :users, ...READ MORE

Jul 24, 2020 in Java-Script by Niroj
• 82,880 points
827 views
0 votes
1 answer

How to “pretty” format JSON output in Ruby on Rails?

Hello @kartik, Use the pretty_generate() function, built into later versions ...READ MORE

Jul 24, 2020 in Java-Script by Niroj
• 82,880 points
10,503 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
• 82,880 points
3,041 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
• 82,880 points
2,731 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
• 82,880 points
1,360 views
0 votes
1 answer

How to store input value into array then localstorage?

Hello @ abhittac, You have create the array everytime the ...READ MORE

Jul 24, 2020 in Java-Script by Niroj
• 82,880 points
8,696 views
0 votes
1 answer

How to show a different value from an input that what will be received as php?

Hello @kartik, You can't change the field's value ...READ MORE

Jul 8, 2020 in Java-Script by Niroj
• 82,880 points
10,006 views
0 votes
1 answer

How to get “value” of file upload input field in jquery?

Hello @kartik, Yes ,you can read the value ...READ MORE

Jul 8, 2020 in Java-Script by Niroj
• 82,880 points
12,098 views
0 votes
1 answer

Which is best window.location (JS) vs header() (PHP) for redirection?

Hello @kartik, It depends on how and when ...READ MORE

Jul 7, 2020 in Java-Script by Niroj
• 82,880 points
8,145 views
0 votes
1 answer

How to decode the url in php where url is encoded with encodeURIComponent()?

Hello @kartik, Use this function: <?php $string = 'http%3A%2F%2Fexample.com'; $output = ...READ MORE

Jul 7, 2020 in Java-Script by Niroj
• 82,880 points
3,923 views
0 votes
0 answers

How to access PHP session variables from jQuery function in a .js file?

How to access PHP session variables from ...READ MORE

Jul 7, 2020 in Java-Script by kartik
• 37,510 points
999 views
0 votes
1 answer

How can I pass PHP objects to javascript?

Hello @kartik, You can convert the PHP object ...READ MORE

Jul 7, 2020 in Java-Script by Niroj
• 82,880 points
5,086 views
0 votes
1 answer

How can I get the user's local time instead of the server's time?

Hello @kartik, For client side, you would need ...READ MORE

Jul 7, 2020 in Java-Script by Niroj
• 82,880 points
457 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
• 82,880 points
2,339 views
0 votes
1 answer

How do I embed PHP code in JavaScript?

Hello @kartik, If you have individual .js files, and you ...READ MORE

Jul 7, 2020 in Java-Script by Niroj
• 82,880 points
7,876 views
0 votes
1 answer

How do I run PHP code when a user clicks on a link?

Hello @kartik, You'd need to have a javascript ...READ MORE

Jul 6, 2020 in Java-Script by Niroj
• 82,880 points
8,879 views
0 votes
1 answer

How to send JSON data from Javascript to PHP?

Hello @kartik, PHP has a built in function ...READ MORE

Jul 6, 2020 in Java-Script by Niroj
• 82,880 points
6,080 views
0 votes
1 answer

How can I call PHP functions by JavaScript?

Hello @kartik, You can do Ajax request to ...READ MORE

Jul 6, 2020 in Java-Script by Niroj
• 82,880 points
14,617 views
0 votes
1 answer

How to show progress bar while loading using ajax?

Hello @kartik, The first function calls an action ...READ MORE

Jul 6, 2020 in Java-Script by Niroj
• 82,880 points
19,214 views
0 votes
1 answer

How to access PHP var from external javascript file?

Hello @kartik, You don't really access it, you ...READ MORE

Jul 6, 2020 in Java-Script by Niroj
• 82,880 points
7,192 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
• 82,880 points
2,090 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
• 82,880 points
2,029 views
0 votes
1 answer

How do I pass variables and data from PHP to JavaScript?

Hello @kartik, Simply use one of the following ...READ MORE

Jul 6, 2020 in Java-Script by Niroj
• 82,880 points
1,558 views
0 votes
1 answer

How do I get PHP errors to display?

Hello @kartik, To display all errors you need ...READ MORE

Jun 20, 2020 in Java-Script by Niroj
• 82,880 points
683 views
0 votes
1 answer

How do I modify the URL without reloading the page?

Hii @kartik, HTML5 introduced the history.pushState() and history.replaceState() methods, which allow you ...READ MORE

Jun 20, 2020 in Java-Script by Niroj
• 82,880 points
5,068 views
0 votes
1 answer

How to render raw html with AngularJS?

Hello @kartik, You need to add ng-bind-html="data.text" to your h1 ...READ MORE

Jun 20, 2020 in Java-Script by Niroj
• 82,880 points
4,586 views
0 votes
1 answer

Error:Failed to load resource: net::ERR_FILE_NOT_FOUND loading json.js

Hii @kartik,  got the same error using: <link rel="stylesheet" ...READ MORE

Jun 19, 2020 in Java-Script by Niroj
• 82,880 points
19,610 views
0 votes
1 answer

Why are preload link not working for JSON requests ?

Hii @kartik, You have to add as="fetch" for JSON files. ...READ MORE

Jun 19, 2020 in Java-Script by Niroj
• 82,880 points
2,425 views
0 votes
1 answer

How to convert HTML to JSON using PHP?

Hello @kartik, If you are able to obtain ...READ MORE

Jun 19, 2020 in Java-Script by Niroj
• 82,880 points
7,077 views
0 votes
1 answer

How to parse Excel file in Javascript/HTML5?

Hello @kartik, Below Function converts the Excel sheet ...READ MORE

Jun 19, 2020 in Java-Script by Niroj
• 82,880 points
13,779 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
• 82,880 points
4,007 views
0 votes
1 answer

Error:jQuery.parseJSON throws “Invalid JSON” error due to escaped single quote in JSON

Hello @kartik, Striking a similar issue using CakePHP ...READ MORE

Jun 19, 2020 in Java-Script by Niroj
• 82,880 points
4,616 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
• 82,880 points
2,960 views
0 votes
1 answer

Error:“Access is denied” error on accessing iframe document object

Hii @kartik, The problem was that even though the ...READ MORE

Jun 19, 2020 in Java-Script by Niroj
• 82,880 points
1,883 views
0 votes
1 answer

How to open the newly created image in a new tab?

Hello @kartik, You can try something like: success: function ...READ MORE

Jun 19, 2020 in Java-Script by Niroj
• 82,880 points
8,949 views
0 votes
1 answer

How can I change the page URL without refreshing the page?

Hello @kartik, This is simple you just need change ...READ MORE

Jun 18, 2020 in Java-Script by Niroj
• 82,880 points
6,298 views