Most voted questions in Java-Script

+2 votes
1 answer

How to get Session with javascript while loading?

Hello @kartik, Use AJAX to update the view: $(document).ready(function() { ...READ MORE

Jun 11, 2020 in Java-Script by Niroj
 • 82,880 points • 3,598 views
+1 vote
1 answer

How to download a file from NodeJS Server using Express?

Hello @kartik, Express has a helper for this as: app.get('/download', function(req, ...READ MORE

Sep 23, 2020 in Java-Script by Niroj
 • 82,880 points • 2,892 views
+1 vote
1 answer

How to assign Php variable value to Javascript variable?

Hello @kartik, Try: Essentially: <?php //somewhere set a value $var = "a ...READ MORE

Jul 7, 2020 in Java-Script by Niroj
 • 82,880 points • 10,383 views
+1 vote
1 answer

How do I pass JavaScript variables to PHP?

Hello @kartik, You cannot pass variable values from ...READ MORE

Jul 6, 2020 in Java-Script by Niroj
 • 82,880 points • 18,851 views
+1 vote
1 answer

How to delete a localStorage item when the browser window/tab is closed?

Hii @kartik, You can make use of the beforeunload event ...READ MORE

Jun 11, 2020 in Java-Script by Niroj
 • 82,880 points • 23,890 views
+1 vote
1 answer

How to implement up and down voting of a particular thread?

Hello @kartik, Yes, JavaScript is involved. There are ...READ MORE

Jun 3, 2020 in Java-Script by Niroj
 • 82,880 points • 877 views
+1 vote
1 answer

How to get error status code of http get NodeJS?

Hello @kartik, An error code 400 response is ...READ MORE

Jun 2, 2020 in Java-Script by Niroj
 • 82,880 points • 3,866 views
+1 vote
1 answer

Error:SQL “between” not inclusive

Hello, It is inclusive. You are comparing datetimes to dates. ...READ MORE

May 28, 2020 in Java-Script by Niroj
 • 82,880 points • 539 views
+1 vote
1 answer

How to Check synchronously if file/directory exists in Node.js?

Hello, You can use fs.existsSync(): const fs = require("fs"); // ...READ MORE

May 28, 2020 in Java-Script by Niroj
 • 82,880 points • 1,628 views
+1 vote
2 answers

How to convert entire div data into image and save it into directory without using canvas?

Hello @kartik, You can try the sample code ...READ MORE

Apr 29, 2020 in Java-Script by Niroj
 • 82,880 points • 70,316 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
 • 82,880 points • 17,439 views
0 votes
1 answer

What is JSX?

JSX represents a critical concept in modern web ...READ MORE

Oct 16, 2023 in Java-Script by anonymous
 • 3,320 points
edited Oct 19, 2023 by anonymous • 166 views
0 votes
1 answer

How to sum the values of a javascript object

Certainly, I'd be happy to help you ...READ MORE

Sep 25, 2023 in Java-Script by Edureka
 • 12,690 points • 1,276 views
0 votes
0 answers

How to sum the values of a javascript object?

I'm currently facing an issue while trying ...READ MORE

Sep 25, 2023 in Java-Script by anonymous
 • 1,170 points • 243 views
0 votes
0 answers

How to sum the values of a javascript object?

I'm currently facing an issue while trying ...READ MORE

Sep 25, 2023 in Java-Script by anonymous
 • 1,170 points • 272 views
0 votes
0 answers

How to sum the values of a javascript object?

I'm currently facing an issue while trying ...READ MORE

Sep 25, 2023 in Java-Script by anonymous
 • 1,170 points • 182 views
0 votes
0 answers

How to sum the values of a javascript object?

I'm currently facing an issue while trying ...READ MORE

Sep 25, 2023 in Java-Script by Tanishqa
 • 1,170 points • 145 views
0 votes
0 answers

I Want To Print 1 to 100 Numbers Using Arrays In Javascript Only

<!DOCTYPE html> <html> <head> <title>100-Numbers</title> </head> <body> ...READ MORE

Nov 16, 2022 in Java-Script by Ashwini
 • 5,430 points • 1,124 views
0 votes
0 answers

Cannot read property 'push' of undefined when combining arrays

When pushing an array's contents to another ...READ MORE

Nov 16, 2022 in Java-Script by Ashwini
 • 5,430 points • 380 views
0 votes
0 answers

map function for objects (instead of arrays)

I have an object: myObject = { 'a': ...READ MORE

Nov 16, 2022 in Java-Script by Ashwini
 • 5,430 points • 441 views
0 votes
0 answers

When do Java generics require <? extends T> instead of <T> and is there any downside of switching?

Given the following example (using JUnit with ...READ MORE

Sep 29, 2022 in Java-Script by Abhinaya
 • 1,160 points • 1,251 views
0 votes
0 answers

What is the volatile keyword useful for?

Sep 29, 2022 in Java-Script by Abhinaya
 • 1,160 points • 504 views
0 votes
0 answers

in java what does the @ symbol mean?

I am aware of what it implies ...READ MORE

Sep 29, 2022 in Java-Script by Abhinaya
 • 1,160 points • 368 views
0 votes
0 answers

OSMdroid tiles not loading due to java.net.UnknownHostException

OpenStreetMap import and usage are required as ...READ MORE

Sep 29, 2022 in Java-Script by Abhinaya
 • 1,160 points • 681 views
0 votes
0 answers

Basic use of JSONPath in Java

JSON and a JSONPath are both strings ...READ MORE

Sep 29, 2022 in Java-Script by Abhinaya
 • 1,160 points • 708 views
0 votes
0 answers

What is the difference between ' and " in JavaScript?

I came across this query and am ...READ MORE

Sep 23, 2022 in Java-Script by Abhinaya
 • 1,160 points • 392 views
0 votes
0 answers

How do I check if an array includes a value in JavaScript?

What is the quickest and most effective method to determine whether a JavaScript array has a value? The only method I am aware of is as follows: function contains(a, obj) { ...READ MORE

Sep 23, 2022 in Java-Script by Abhinaya
 • 1,160 points • 441 views
0 votes
0 answers

Convert javascript array to string

I'm attempting to create a string out of a "value" list by iterating over it.  This is the key: var blkstr = $.each(value, function(idx2,val2) { ...READ MORE

Sep 23, 2022 in Java-Script by Abhinaya
 • 1,160 points • 346 views
0 votes
0 answers

Sort a single String in Java

Is there a primary way to sort a ...READ MORE

Sep 23, 2022 in Java-Script by Abhinaya
 • 1,160 points • 340 views
0 votes
0 answers

How does the "Using" statement translate from C# to VB?

Example: BitmapImage bitmap = new BitmapImage(); byte[] buffer = ...READ MORE

Sep 23, 2022 in Java-Script by Abhinaya
 • 1,160 points • 392 views
0 votes
0 answers

How to set JAVA_HOME environment variable on Mac OS X 10.9?

I just purchased a brand new MacBook ...READ MORE

Sep 22, 2022 in Java-Script by Tejashwini
 • 3,820 points • 514 views
0 votes
0 answers

How do I resolve ClassNotFoundException?

I am trying to run a Java ...READ MORE

Sep 22, 2022 in Java-Script by Tejashwini
 • 3,820 points • 234 views
0 votes
0 answers

java.net.ConnectException: Connection refused

The server side of my attempt to ...READ MORE

Sep 22, 2022 in Java-Script by Tejashwini
 • 3,820 points • 486 views
0 votes
0 answers

What is difference between mutable and immutable String in java?

As far as I know, An immutable string ...READ MORE

Sep 22, 2022 in Java-Script by Tejashwini
 • 3,820 points • 295 views
0 votes
0 answers

Why is String immutable in Java?

When interviewed, I was questioned as to ...READ MORE

Sep 22, 2022 in Java-Script by Tejashwini
 • 3,820 points • 294 views
0 votes
0 answers

Convert list to array in Java

How can I convert a List to an Array in Java? Check ...READ MORE

Sep 22, 2022 in Java-Script by Tejashwini
 • 3,820 points • 269 views
0 votes
0 answers

Java - Convert integer to string

Given a number: int number = 1234; Which would ...READ MORE

Sep 22, 2022 in Java-Script by Tejashwini
 • 3,820 points • 322 views
0 votes
0 answers

Why am I getting a NoClassDefFoundError in Java?

When I execute my Java application, I ...READ MORE

Sep 22, 2022 in Java-Script by Tejashwini
 • 3,820 points • 296 views
0 votes
0 answers

Javascript call() & apply() vs bind()?

I am already aware that the functions ...READ MORE

Sep 22, 2022 in Java-Script by Tejashwini
 • 3,820 points • 362 views
0 votes
0 answers

What could cause java.lang.reflect.InvocationTargetException?

I've attempted to comprehend and read about potential causes, but I just don't get it: I have the following code try{ .. m.invoke(testObject); .. } catch(AssertionError e){ ...READ MORE

Sep 22, 2022 in Java-Script by Tejashwini
 • 3,820 points • 1,043 views
0 votes
0 answers

How can I solve "java.lang.NoClassDefFoundError"?

I've tried both the examples in Oracle's Java ...READ MORE

Sep 20, 2022 in Java-Script by Tejashwini
 • 780 points • 633 views
0 votes
0 answers

NullPointerException: Attempt to invoke virtual method 'int java.util.ArrayList.size()' on a null object reference

I'm a newbie to Fragments and custom ListView adapters. Can anyone ...READ MORE

Sep 20, 2022 in Java-Script by Tejashwini
 • 780 points • 1,201 views
0 votes
0 answers

Exception in thread "main" java.util.NoSuchElementException

Whenever I run this, the chooseCave() function works fine ...READ MORE

Sep 20, 2022 in Java-Script by Tejashwini
 • 780 points • 748 views
0 votes
0 answers

How can I solve Exception in thread "main" java.lang.NullPointerException error

I am having a problem at a ...READ MORE

Sep 20, 2022 in Java-Script by Tejashwini
 • 780 points • 383 views
0 votes
1 answer

Can't start Eclipse - Java was started but returned exit code=13

Your version of Eclipse is 64-bit, based ...READ MORE

Sep 20, 2022 in Java-Script by Abhinaya
 • 1,160 points • 759 views
0 votes
1 answer

Why does my JavaScript code receive a "No 'Access-Control-Allow-Origin' header is present on the requested resource" error, while Postman does not?

If I understand you well, you are ...READ MORE

Sep 20, 2022 in Java-Script by Abhinaya
 • 1,160 points • 1,282 views
0 votes
1 answer

java.lang.ClassNotFoundException: org.springframework.web.servlet.DispatcherServlet

The "Maven Dependency" must be included to ...READ MORE

Sep 20, 2022 in Java-Script by Abhinaya
 • 1,160 points • 5,020 views
0 votes
1 answer

The superclass "javax.servlet.http.HttpServlet" was not found on the Java Build Path

Include servlet-api-3.1.jar in your dependencies. Maven <dependency> <groupId>javax.servlet</groupId> ...READ MORE

Sep 20, 2022 in Java-Script by Abhinaya
 • 1,160 points • 1,255 views
0 votes
1 answer

What does "javascript:void(0)" mean?

After evaluating the provided expression, the void ...READ MORE

Sep 20, 2022 in Java-Script by Abhinaya
 • 1,160 points • 678 views
0 votes
0 answers

How to reset a form using jQuery with .reset() method

My code : <div id="labels"> <table class="config"> ...READ MORE

May 24, 2022 in Java-Script by Kichu
 • 19,050 points • 519 views
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