Trending questions in Java-Script

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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
• 82,800 points
3,842 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
• 82,800 points
3,784 views
0 votes
1 answer

How do I measure the execution time of JavaScript code with callbacks?

Hello @kartik, Use the Node.js console.time() and console.timeEnd(): var i; console.time("dbsave"); for(i = 1; ...READ MORE

Sep 23, 2020 in Java-Script by Niroj
• 82,800 points
271 views
0 votes
0 answers

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
• 37,510 points
392 views
0 votes
1 answer

How to disable postback on an asp Button in System.Web.UI.WebControls.Button?

Hello @kartik, Use this: <asp:button runat="server".... OnClientClick="myfunction(); return false;" ...READ MORE

Sep 9, 2020 in Java-Script by Niroj
• 82,800 points
844 views
0 votes
1 answer

How can I check whether a radio button is selected with JavaScript?

Hello @kartik, You can use vanilla JavaScript way var radios ...READ MORE

Sep 3, 2020 in Java-Script by Niroj
• 82,800 points
1,082 views
0 votes
1 answer

How to execute a function when page has fully loaded?

Hello @kartik, That's called load. It came waaaaay before ...READ MORE

Sep 23, 2020 in Java-Script by Niroj
• 82,800 points
222 views
0 votes
1 answer

How to create HTML elements using jQuery?

Hello @kartik,  if you're doing $('<div>'), jQuery will also ...READ MORE

Sep 18, 2020 in Java-Script by Niroj
• 82,800 points
429 views
0 votes
2 answers

How can I set focus on an element in an HTML form using JavaScript?

Hi Kartik, try the following script <script>  (window.onload = ...READ MORE

Sep 24, 2020 in Java-Script by Okugbe
• 280 points
622 views
0 votes
1 answer

How to disable all div content?

Hello @kartik, A simple way to disable any ...READ MORE

Aug 25, 2020 in Java-Script by Niroj
• 82,800 points
1,446 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
• 82,800 points
5,056 views
0 votes
1 answer

Error :jquery's .ajax() method not sending my session cookie

Hello @kartik, AJAX calls only send Cookies if ...READ MORE

Aug 25, 2020 in Java-Script by Niroj
• 82,800 points
1,383 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
• 82,800 points
176 views
0 votes
2 answers

How to animate a change in backgroundColor using jQuery on mouseover?

You don't need jquery. You can also ...READ MORE

Sep 9, 2020 in Java-Script by Eureka
• 160 points
807 views
0 votes
1 answer

How to pass an array as a function parameter in JavaScript?

Hello @kartik, Use: const args = ['p0', 'p1', 'p2']; call_me.apply(this, ...READ MORE

Sep 4, 2020 in Java-Script by Niroj
• 82,800 points
876 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
• 82,800 points
145 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
• 82,800 points
120 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
• 82,800 points
135 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
• 82,800 points
782 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
• 82,800 points
3,987 views
0 votes
1 answer

How to trigger the window resize event in JavaScript?

Hello @kartik, Try this: window.dispatchEvent(new Event('resize') ...READ MORE

Aug 25, 2020 in Java-Script by Niroj
• 82,800 points
1,121 views
0 votes
1 answer

Getting error while validating email address in JavaScript

Hello @Eureka , You are missing jquery library. Add ...READ MORE

Sep 9, 2020 in Java-Script by Niroj
• 82,800 points
414 views
0 votes
1 answer

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
• 82,800 points
3,981 views
0 votes
1 answer

How can I remove or replace SVG content?

Hello @kartik, Setting the id attribute when appending ...READ MORE

Jun 18, 2020 in Java-Script by Niroj
• 82,800 points
3,969 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
• 82,800 points
528 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
• 82,800 points
524 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
• 82,800 points
2,950 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
• 82,800 points
2,199 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
• 82,800 points
2,895 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
• 82,800 points
423 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
• 82,800 points
4,141 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
• 82,800 points
151 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
• 82,800 points
316 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
• 82,800 points
3,659 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
• 82,800 points
589 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
• 82,800 points
262 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
• 82,800 points
233 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
• 82,800 points
1,966 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
• 82,800 points
189 views
+1 vote
1 answer

How can we send message multiple time to a specific person or group in whatsapp using loop?

Hii @kartik,  This is simple task to send single ...READ MORE

Feb 28, 2020 in Java-Script by Niroj
• 82,800 points
8,206 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
• 82,800 points
166 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
• 82,800 points
374 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
• 82,800 points
3,336 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
• 82,800 points
1,813 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
• 82,800 points
278 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
• 82,800 points
211 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
• 82,800 points
211 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
• 82,800 points
209 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
• 82,800 points
182 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
• 82,800 points
390 views