Most answered questions in Java-Script

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How to embed an External Page Without an Iframe?

Hello @kartik, You could load the external page ...READ MORE

Sep 9, 2020 in Java-Script by Niroj
 • 82,800 points • 11,245 views
0 votes
1 answer

How to Determine if page is valid in JavaScript - ASP.NET?

Hello @kartik,  Make the call on an input ...READ MORE

Sep 9, 2020 in Java-Script by Niroj
 • 82,800 points • 3,220 views
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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 • 2,532 views
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1 answer

How to Change the selected value of a drop-down list with jQuery?

Hello @kartik, With hidden field you need to ...READ MORE

Sep 9, 2020 in Java-Script by Niroj
 • 82,800 points • 3,344 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 • 2,392 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 • 1,216 views
0 votes
1 answer

How to change programmatically the src of an img tag?

Hello @kartik, Give your img tag an id, ...READ MORE

Sep 4, 2020 in Java-Script by Niroj
 • 82,800 points • 3,737 views
0 votes
1 answer

How do I call a JavaScript function on page load?

Hello @kartik, If you want the onload method ...READ MORE

Sep 4, 2020 in Java-Script by Niroj
 • 82,800 points • 24,741 views
0 votes
1 answer

How to convert an Object {} to an Array [] of key-value pairs in JavaScript?

Hello @kartik, You can use Object.keys() and map() to do this var obj ...READ MORE

Sep 4, 2020 in Java-Script by Niroj
 • 82,800 points • 3,297 views
0 votes
1 answer

verbose stack Error: missing script: start

Hello @kartik, It looks like you might not ...READ MORE

Sep 4, 2020 in Java-Script by Niroj
 • 82,800 points • 7,957 views
0 votes
1 answer

How to add many functions in ONE ng-click?

Hello @kartik, You have 2 options : Create a ...READ MORE

Sep 4, 2020 in Java-Script by Niroj
 • 82,800 points • 4,599 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 • 1,294 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 • 2,077 views
0 votes
1 answer

How to adjust width and height of iframe to fit with content in it?

Hello @kartik, <script type="application/javascript"> function resizeIFrameToFitContent( iFrame ) { ...READ MORE

Sep 4, 2020 in Java-Script by Niroj
 • 82,800 points • 7,760 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 • 1,132 views
0 votes
1 answer

How to clear cache in Yarn?

Hello @kartik, Run: yarn cache clean. Hope it helps!! Thank you! ...READ MORE

Sep 4, 2020 in Java-Script by Niroj
 • 82,800 points • 3,706 views
0 votes
1 answer

How to read an external local JSON file in JavaScript?

Hello @kartik, For reading the external Local JSON ...READ MORE

Sep 3, 2020 in Java-Script by Niroj
 • 82,800 points • 184,932 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 • 1,129 views
0 votes
1 answer

How to access iFrame parent page using jquery?

Hello @kartik, To find in the parent of ...READ MORE

Sep 3, 2020 in Java-Script by Niroj
 • 82,800 points • 10,828 views
0 votes
1 answer

How to get querystring from URL using jQuery?

Thanks. It works foe me :-) READ MORE

May 8, 2021 in Java-Script by anonymous
edited Mar 5 • 21,778 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 • 2,465 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 • 905 views
0 votes
1 answer

Error: Cannot find module 'html'

Hello @kartik, You can have jade include a ...READ MORE

Sep 3, 2020 in Java-Script by Niroj
 • 82,800 points • 6,625 views
0 votes
1 answer

How to call a parent window function from an iframe?

Hello @kartik, Using Window.postMessage() This method safely enables cross-origin communication. And if ...READ MORE

Sep 3, 2020 in Java-Script by Niroj
 • 82,800 points • 4,457 views
0 votes
1 answer

How to hide Bootstrap modal with javascript?

Hello @kartik, With the modal open in the ...READ MORE

Sep 3, 2020 in Java-Script by Niroj
 • 82,800 points • 4,670 views
0 votes
1 answer

How to center a popup window on screen?

Hello @kartik, Use this: function popupwindow(url, title, w, h) ...READ MORE

Sep 3, 2020 in Java-Script by Niroj
 • 82,800 points • 4,814 views
0 votes
1 answer

How to pass arguments to addEventListener listener function?

Hello @kartik, There is absolutely nothing wrong with ...READ MORE

Sep 2, 2020 in Java-Script by Niroj
 • 82,800 points • 8,467 views
0 votes
1 answer

How to redirect parent window from an iframe action?

Hello @kartik, Use this: window.top.location.href = "http://www.example.com"; Will redirect ...READ MORE

Sep 2, 2020 in Java-Script by Niroj
 • 82,800 points • 15,220 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 • 1,766 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 • 1,385 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 • 1,663 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 • 1,588 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 • 898 views
0 votes
1 answer

How to decode HTML entities using jQuery?

Hello @kartik, To encode: $("<textarea/>").html('<a>').html(); ...READ MORE

Sep 2, 2020 in Java-Script by Niroj
 • 82,800 points • 8,113 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 • 820 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 • 884 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 • 926 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 • 1,670 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 • 850 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 • 1,195 views
0 votes
1 answer

How to set “checked” for a checkbox with jQuery?

Hello @kartik, Use: $(".myCheckbox").attr('checked', true); // Deprecated $(".myCheckbox").prop('checked', true); And if ...READ MORE

Aug 28, 2020 in Java-Script by Niroj
 • 82,800 points • 6,691 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 • 1,130 views
0 votes
1 answer

How to open a URL in a new Tab using JavaScript or jQuery?

Hello @kartik, Use window.open(): var win = window.open('http://edureka.co/', '_blank'); if (win) ...READ MORE

Aug 25, 2020 in Java-Script by Niroj
 • 82,800 points • 6,937 views
0 votes
1 answer

How to disable div in html?

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

Aug 25, 2020 in Java-Script by Niroj
 • 82,800 points • 22,863 views
0 votes
1 answer

How to change an element's ID with jQuery?

Hello @kartik, Your syntax is incorrect, you should ...READ MORE

Aug 25, 2020 in Java-Script by Niroj
 • 82,800 points • 4,311 views
0 votes
1 answer

How jQuery event to trigger action when a div is made visible?

Hello @kartik, You could always add to the ...READ MORE

Aug 25, 2020 in Java-Script by Niroj
 • 82,800 points • 11,393 views
0 votes
1 answer

How to add a custom HTTP header to ajax request with javascript?

Hello @kartik, There is different way based on ...READ MORE

Aug 25, 2020 in Java-Script by Niroj
 • 82,800 points • 109,475 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 • 4,882 views
0 votes
1 answer

How do I check if an HTML element is empty using jQuery?

Hello @kartik, Try: if ($('#element').is(':empty')){ //do something }  If you ...READ MORE

Aug 25, 2020 in Java-Script by Niroj
 • 82,800 points • 4,301 views
0 votes
1 answer

How to load local JSON file?

Hello @kartik, $.getJSON is asynchronous so you should do: $.getJSON("test.json", ...READ MORE

Aug 25, 2020 in Java-Script by Niroj
 • 82,800 points • 5,444 views
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