Trending questions in Java-Script

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How is the 'use strict' statement interpreted in Node.js?

Hello @kartik, "use strict"; Basically it enables the strict ...READ MORE

Oct 8, 2020 in Java-Script by Niroj
• 82,800 points
1,408 views
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0 answers

How to generate unique ID with node.js?

This is my code: function generate(count) { ...READ MORE

Oct 9, 2020 in Java-Script by kartik
• 37,510 points
1,345 views
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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
• 82,800 points
5,356 views
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1 answer

How to use Redirect in the new react-router-dom of Reactjs?

Hello, To navigate to another component you can ...READ MORE

May 18, 2020 in Java-Script by Niroj
• 82,800 points
7,464 views
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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
• 82,800 points
5,308 views
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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
• 82,800 points
6,077 views
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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
• 82,800 points
5,196 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
2,518 views
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1 answer

How do I use format() on a moment.js duration?

Hello @kartik, Use this: // set up let start = ...READ MORE

Oct 7, 2020 in Java-Script by Niroj
• 82,800 points
1,002 views
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1 answer

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
1,798 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
2,394 views
0 votes
1 answer

How can I determine the type of an HTML element in JavaScript?

Hello @kartik, nodeName is the attribute you are looking ...READ MORE

Oct 8, 2020 in Java-Script by Niroj
• 82,800 points
830 views
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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
2,220 views
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1 answer

How to stop event propagation with inline onclick attribute?

Hello @kartik, Use event.stopPropagation(). <span onclick="event.stopPropagation(); alert('you clicked inside the ...READ MORE

Sep 23, 2020 in Java-Script by Niroj
• 82,800 points
1,350 views
0 votes
1 answer

How to change url after success in ajax without page reload?

Hello @kartik, Use the browser history to change ...READ MORE

Apr 29, 2020 in Java-Script by Niroj
• 82,800 points
7,689 views
0 votes
1 answer

How to return AJAX response Text?

Hello @kartik, What you need to do is ...READ MORE

Jun 18, 2020 in Java-Script by Niroj
• 82,800 points
5,482 views
0 votes
1 answer

How do I disable right click on my web page?

Hello @kartik, You can do that with JavaScript ...READ MORE

Sep 23, 2020 in Java-Script by Niroj
• 82,800 points
1,290 views
0 votes
1 answer

How to reject in async/await syntax?

Hello @kartik,  throw an Error wrapping the value, which results in ...READ MORE

Sep 23, 2020 in Java-Script by Niroj
• 82,800 points
1,282 views
0 votes
1 answer

Error:React-router urls don't work when refreshing or writing manually

Hello @kartik, You can change your .htaccess file and insert ...READ MORE

Apr 27, 2020 in Java-Script by Niroj
• 82,800 points
7,696 views
0 votes
1 answer

How to get the host url using javascript from the current page?

Hello @kartik, Use: var host = window.location.hostname; or possibly var host ...READ MORE

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

How to get browser width using JavaScript code?

Hello @kartik, Use this code: var w = window.innerWidth; var ...READ MORE

Oct 9, 2020 in Java-Script by Niroj
• 82,800 points
536 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
2,465 views
0 votes
1 answer

Error: Unexpected token import in nodejs

Hello, Unfortunately, Node.js doesn't support ES6's import yet. To accomplish what ...READ MORE

Apr 24, 2020 in Java-Script by Niroj
• 82,800 points
7,722 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
1,935 views
0 votes
1 answer

How to clear all <div>s’ contents inside a parent <div>?

Hello @kartik, jQuery's empty() function does just that: $('#masterdiv').empty(); clears the master div. $('#masterdiv ...READ MORE

Oct 7, 2020 in Java-Script by Niroj
• 82,800 points
493 views
0 votes
1 answer

How to Prevent browser caching of AJAX call result?

Hii, JQuery's $.get() will cache the results. Instead ...READ MORE

Jun 18, 2020 in Java-Script by Niroj
• 82,800 points
5,294 views
0 votes
1 answer

How to remove all child elements of a DOM node in JavaScript?

Hello @kartik, Use modern Javascript, with remove! const parent = ...READ MORE

Sep 21, 2020 in Java-Script by Niroj
• 82,800 points
1,137 views
0 votes
1 answer

How to get function parameter names/values dynamically?

Hello @kartik, The following function will return an ...READ MORE

Sep 23, 2020 in Java-Script by Niroj
• 82,800 points
1,022 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
1,627 views
0 votes
1 answer

How to to get the key of a key/value javascript object?

Hello @kartik, You would iterate inside the object ...READ MORE

Oct 9, 2020 in Java-Script by Niroj
• 82,800 points
336 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
1,823 views
0 votes
1 answer

How can I check if a checkbox is checked?

Hello @kartik, Try this: function validate() { var ...READ MORE

Oct 8, 2020 in Java-Script by Niroj
• 82,800 points
332 views
0 votes
1 answer

How do I break a string across more than one line of code in JavaScript?

Hello @kartik, In your example, you can break ...READ MORE

Oct 8, 2020 in Java-Script by Niroj
• 82,800 points
254 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
1,484 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
1,477 views
0 votes
1 answer

How can I submit a form using JavaScript?

Hello @kartik, Set the name attribute of your form to "theForm" and ...READ MORE

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

How to disable HTML button using JavaScript?

Hello @kartik, To disable document.getElementById("btnPlaceOrder").disabled = true; To enable document.getElementById("btnPlaceOrder").disabled ...READ MORE

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

How do I link a JavaScript file to a HTML file?

Hello @kartik, This is how you link a ...READ MORE

Oct 8, 2020 in Java-Script by Niroj
• 82,800 points
200 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
1,944 views
0 votes
1 answer

How to Obtain form input fields using jQuery?

Hello @kartik, Try this: $('#myForm').submit(function() { ...READ MORE

Sep 18, 2020 in Java-Script by Niroj
• 82,800 points
1,001 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
• 82,800 points
4,941 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
1,999 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
1,304 views
0 votes
1 answer

How can we access PHP variables in JavaScript or jQuery rather than <?php echo $variable ?>

Hello @kartik, You can also use json_encode for ...READ MORE

Apr 29, 2020 in Java-Script by Niroj
• 82,800 points

edited Oct 7, 2021 by Sarfaraz 7,028 views
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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
• 82,800 points
3,232 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
1,418 views
0 votes
1 answer

How to check if the URL contains a given string?

Hello @kartik, You would use indexOf like this: if(window.location.href.indexOf("franky") != -1){....} Also ...READ MORE

Jun 11, 2020 in Java-Script by Niroj
• 82,800 points
5,050 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
774 views
0 votes
1 answer

How to dynamically load JS inside JS?

Hello @kartik, The script is not added to ...READ MORE

Aug 25, 2020 in Java-Script by Niroj
• 82,800 points
1,770 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
1,082 views