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
• 82,800 points
2,800 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
• 82,800 points
2,310 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
• 82,800 points
8,582 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
• 82,800 points
15,343 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
• 82,800 points
13,663 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
• 82,800 points
323 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
• 82,800 points
2,875 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
• 82,800 points
282 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
• 82,800 points
1,115 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
• 82,800 points
53,712 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
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 in Java-Script by Ashwini
• 2,760 points
41 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 in Java-Script by Ashwini
• 2,760 points
33 views
0 votes
0 answers

map function for objects (instead of arrays)

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

Nov 16 in Java-Script by Ashwini
• 2,760 points
26 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 in Java-Script by Abhinaya
• 1,160 points
119 views
0 votes
0 answers

What is the volatile keyword useful for?

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

in java what does the @ symbol mean?

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

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

Basic use of JSONPath in Java

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

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

What is the difference between ' and " in JavaScript?

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

Sep 23 in Java-Script by Abhinaya
• 1,160 points
57 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 in Java-Script by Abhinaya
• 1,160 points
49 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 in Java-Script by Abhinaya
• 1,160 points
55 views
0 votes
0 answers

Sort a single String in Java

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

Sep 23 in Java-Script by Abhinaya
• 1,160 points
46 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 in Java-Script by Abhinaya
• 1,160 points
54 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 in Java-Script by Tejashwini
• 2,860 points
114 views
0 votes
0 answers

How do I resolve ClassNotFoundException?

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

Sep 22 in Java-Script by Tejashwini
• 2,860 points
42 views
0 votes
0 answers

java.net.ConnectException: Connection refused

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

Sep 22 in Java-Script by Tejashwini
• 2,860 points
124 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 in Java-Script by Tejashwini
• 2,860 points
52 views
0 votes
0 answers

Why is String immutable in Java?

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

Sep 22 in Java-Script by Tejashwini
• 2,860 points
48 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 in Java-Script by Tejashwini
• 2,860 points
56 views
0 votes
0 answers

Java - Convert integer to string

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

Sep 22 in Java-Script by Tejashwini
• 2,860 points
59 views
0 votes
0 answers

Why am I getting a NoClassDefFoundError in Java?

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

Sep 22 in Java-Script by Tejashwini
• 2,860 points
31 views
0 votes
0 answers

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

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

Sep 22 in Java-Script by Tejashwini
• 2,860 points
71 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 in Java-Script by Tejashwini
• 2,860 points
54 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 in Java-Script by Tejashwini
• 540 points
64 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 in Java-Script by Tejashwini
• 540 points
107 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 in Java-Script by Tejashwini
• 540 points
240 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 in Java-Script by Tejashwini
• 540 points
76 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 in Java-Script by Abhinaya
• 1,160 points
90 views
0 votes
1 answer

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

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

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

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

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

Sep 20 in Java-Script by Abhinaya
• 1,160 points
92 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 in Java-Script by Kichu
• 19,040 points
135 views
0 votes
0 answers

Length of a JavaScript object

I have a Javascript object and want ...READ MORE

May 23 in Java-Script by Kichu
• 19,040 points
70 views
0 votes
0 answers

How do you reverse a string in-place in JavaScript?

How do you reverse a string in ...READ MORE

May 23 in Java-Script by Kichu
• 19,040 points
70 views
0 votes
0 answers

Convert Array to Object

How can I convert this : ['a','b','c'] To this: { ...READ MORE

May 19 in Java-Script by Kichu
• 19,040 points
58 views
0 votes
0 answers

JavaScript Array splice vs slice

What is the difference between splice and ...READ MORE

May 17 in Java-Script by Kichu
• 19,040 points
65 views
0 votes
0 answers

JS file gets a net::ERR_ABORTED 404 (Not Found)

I am trying to separate my <script> inside my HTML ...READ MORE

May 16 in Java-Script by Kichu
• 19,040 points
3,457 views
0 votes
0 answers

How do I completely uninstall Node.js, and reinstall from beginning (Mac OS X)

My node version is: node -v v0.6.1-pre Then I install ...READ MORE

May 16 in Java-Script by Kichu
• 19,040 points
512 views