Latest questions in Java-Script

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How to detect a 'touch screen' device using JavaScript?

Hello @kartik, Use this: function is_touch_device() { ...READ MORE

Sep 18, 2020 in Java-Script by Niroj
• 82,800 points
2,904 views
0 votes
1 answer

How to disable scrolling temporarily?

Hello @kartik, Do it simply by adding a ...READ MORE

Sep 18, 2020 in Java-Script by Niroj
• 82,800 points
5,366 views
0 votes
1 answer

How to remove all line breaks from a string?

Hello @kartik, Windows would be \r\n, but Linux just ...READ MORE

Sep 18, 2020 in Java-Script by Niroj
• 82,800 points
14,414 views
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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
903 views
0 votes
1 answer

How to trigger an ajax request when the user has finished typing in a text box?

Hello @kartik, Use the code below: //setup before functions var ...READ MORE

Sep 18, 2020 in Java-Script by Niroj
• 82,800 points
9,101 views
0 votes
1 answer

How to uncheck a radio button?

Hello @kartik, either (plain js) this.checked = false; or (jQuery) $(this).prop('checked', ...READ MORE

Sep 18, 2020 in Java-Script by Niroj
• 82,800 points
2,488 views
0 votes
1 answer

How to run JavaScript code before page load?

Hello @kartik, You can use window.onpaint for such ...READ MORE

Sep 9, 2020 in Java-Script by Niroj
• 82,800 points
24,143 views
0 votes
1 answer

How do I access ViewBag from JS?

Hello @kartik, in your view write : <script> var ...READ MORE

Sep 9, 2020 in Java-Script by Niroj
• 82,800 points
6,496 views
0 votes
1 answer

How to check Page.Validate() on client side (JavaScript) in ASP.Net?

Hello @kartik, Page_ClientValidate() will work. It returns true if ...READ MORE

Sep 9, 2020 in Java-Script by Niroj
• 82,800 points
4,104 views
0 votes
1 answer

How to return JSON with ASP.NET & jQuery?

Hello @kartik, You need to do something like ...READ MORE

Sep 9, 2020 in Java-Script by Niroj
• 82,800 points
2,887 views
0 votes
1 answer

How to disable asp.net button after click to prevent double clicking?

Hello @kartik, On the front end, add these ...READ MORE

Sep 9, 2020 in Java-Script by Niroj
• 82,800 points
8,820 views
0 votes
1 answer

How can I read the client's machine/computer name from the browser?

Hello @kartik, You can do it with IE ...READ MORE

Sep 9, 2020 in Java-Script by Niroj
• 82,800 points
11,123 views
0 votes
1 answer

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
11,233 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
3,208 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
2,525 views
0 votes
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
3,329 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
2,379 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
1,208 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
3,730 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
24,713 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
3,293 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
7,953 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
4,596 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
1,291 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
2,071 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
7,755 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
1,126 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
3,701 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
184,885 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
1,122 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
10,814 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 21,769 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
2,463 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
900 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
6,609 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
4,442 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
4,663 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
4,803 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
8,461 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
15,188 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
1,758 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
1,378 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
1,653 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
1,584 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
2,456 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
891 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
8,101 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
2,230 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
812 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
883 views