Most answered questions in Java-Script

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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 • 329 views
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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 • 310 views
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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 • 297 views
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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 • 347 views
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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 • 306 views
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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 • 393 views
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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 • 1,088 views
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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 • 668 views
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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 • 1,227 views
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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 • 760 views
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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 • 408 views
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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 • 538 views
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Length of a JavaScript object

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

May 23, 2022 in Java-Script by Kichu
 • 19,050 points • 386 views
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How do you reverse a string in-place in JavaScript?

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

May 23, 2022 in Java-Script by Kichu
 • 19,050 points • 228 views
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Convert Array to Object

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

May 19, 2022 in Java-Script by Kichu
 • 19,050 points • 401 views
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JavaScript Array splice vs slice

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

May 17, 2022 in Java-Script by Kichu
 • 19,050 points • 379 views
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JS file gets a net::ERR_ABORTED 404 (Not Found)

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

May 16, 2022 in Java-Script by Kichu
 • 19,050 points • 6,231 views
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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, 2022 in Java-Script by Kichu
 • 19,050 points • 991 views
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How to add a class to a given element?

I am trying to create a JavaScript ...READ MORE

May 16, 2022 in Java-Script by Kichu
 • 19,050 points • 211 views
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TypeError: Converting circular structure to JSON in nodejs

Code : var formData = ({first_name:firstname,last_name:lastname,user_name:username, email:email,password:password}); ...READ MORE

May 13, 2022 in Java-Script by Kichu
 • 19,050 points • 3,724 views
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TypeError: Router.use() requires middleware function but got a Object

There were some changes made in the ...READ MORE

May 12, 2022 in Java-Script by Kichu
 • 19,050 points • 7,191 views
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How does Access-Control-Allow-Origin header work?

Until now my understanding of its semantics ...READ MORE

May 11, 2022 in Java-Script by Kichu
 • 19,050 points • 646 views
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Uncaught TypeError: Cannot read property 'top' of undefined

I have two different kinds of sticky ...READ MORE

May 11, 2022 in Java-Script by Kichu
 • 19,050 points • 2,819 views
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Sort array of objects by string property value

I have this array of JavaScript objects: var objs ...READ MORE

May 10, 2022 in Java-Script by Kichu
 • 19,050 points • 673 views
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How can I create a two dimensional array in JavaScript?

Is it possible to create a two-dimensional ...READ MORE

May 9, 2022 in Java-Script by Kichu
 • 19,050 points • 606 views
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Generate pdf from HTML in div using Javascript

This is my HTML code: <!DOCTYPE html> <html> ...READ MORE

May 9, 2022 in Java-Script by Kichu
 • 19,050 points • 806 views
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Uncaught SyntaxError: Unexpected end of JSON input at JSON.parse (<anonymous>)

I was trying to change a string ...READ MORE

May 9, 2022 in Java-Script by Kichu
 • 19,050 points • 6,525 views
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What is the difference between React Native and React?

May 7, 2022 in Java-Script by narikkadan
 • 63,700 points • 383 views
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Why (null == false) and (null == true) both return false?

I am confused that why console.log(null == ...READ MORE

May 7, 2022 in Java-Script by narikkadan
 • 63,700 points • 1,046 views
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Response to preflight request doesn't pass access control check

I called a REST API on Amazon ...READ MORE

May 7, 2022 in Java-Script by narikkadan
 • 63,700 points • 1,558 views
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Jquery validation plugin - TypeError: $(...).validate is not a function

I am getting an error in my ...READ MORE

May 7, 2022 in Java-Script by narikkadan
 • 63,700 points • 1,153 views
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Error: Can't set headers after they are sent to the client

I am using Node.js 4.10 and Express ...READ MORE

May 7, 2022 in Java-Script by narikkadan
 • 63,700 points • 1,180 views
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How do I format a date in JavaScript?

May 7, 2022 in Java-Script by narikkadan
 • 63,700 points • 260 views
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How to check whether a string contains a substring in JavaScript?

May 6, 2022 in Java-Script by narikkadan
 • 63,700 points • 257 views
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How do I redirect to another webpage?

How do I redirect users to a ...READ MORE

May 6, 2022 in Java-Script by narikkadan
 • 63,700 points • 216 views
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can i make Xander (type progressive web app)PWA which share files through wifi and bluetooth?

Nov 15, 2021 in Java-Script by anonymous
 • 120 points • 557 views
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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 • 1,642 views
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How to create a <style> tag with Javascript?

I'm looking for a way to insert ...READ MORE

Sep 21, 2020 in Java-Script by kartik
 • 37,510 points • 616 views
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How to access PHP session variables from jQuery function in a .js file?

How to access PHP session variables from ...READ MORE

Jul 7, 2020 in Java-Script by kartik
 • 37,510 points • 1,020 views
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