What is the difference between == and === in Java script?

Asked by Last Modified  

2 Answers

Learn Java +1 Java Script Training

Follow 1
Answer

Please enter your answer

Neha Batra

Experienced Full Stack Developer and Instructor.

== Compares values after type conversion (if necessary). If the two values are of different types, JavaScript tries to convert them to a common type before comparison. === Compares both value and type without type conversion. If the values are of different types, it immediately returns false. ...
read more
== Compares values after type conversion (if necessary). If the two values are of different types, JavaScript tries to convert them to a common type before comparison. === Compares both value and type without type conversion. If the values are of different types, it immediately returns false. Use === whenever possible to avoid unexpected type coercion issues. == can lead to unexpected results due to implicit conversions. read less
Comments
Dislike Bookmark

Online Mathematics tutor with 8 years experience(Online Classes for 10th to 12th)

== Compares values after type conversion (if necessary). If the two values are of different types, JavaScript tries to convert them to a common type before comparison. === Compares both value and type without type conversion. If the values are of different types, it immediately returns false. Use ===...
read more
== Compares values after type conversion (if necessary). If the two values are of different types, JavaScript tries to convert them to a common type before comparison. === Compares both value and type without type conversion. If the values are of different types, it immediately returns false. Use === whenever possible to avoid unexpected type coercion issues. == can lead to unexpected results due to implicit conversions. read less
Comments
Dislike Bookmark

Related Questions

Can u explain init() method is used in servlet for initialization then constructor also there for initializing variables.then what makes the difference between init() and default constructor in servlets?
Using init() only advisable than default constructor because we cannot initialize servlet using constructor because servlets are not directly instantiated by javacode, instead container create instance...
Anwar
Which two are valid constructors for Thread? Thread(Runnable r, String name) Thread() Thread(int priority) Thread(Runnable r, ThreadGroup g) Thread(Runnable r, int priority) A. 1 and 3 B. 2 and 4 C. 1 and 2 D. 2 and 5
C
Srikanth
Hello, I'm a masters student and recently got into the DST as a fresher. Now I'm in training and working like hell to clear the assessments. There is a final exam on core java which decides my stay in the company. They will give a requirement and we need to write the code. I will post the requirement on the date of my exam and someone needs to help me with the code. Please contact me if someone ready to help me. Thank you.
Surely. just to add here, for the given requirement there can be a number of solutions related to it, but the matter what logic you will go through. As you have time better go with logic building practic...
Sai kiran
What is difference between throw and throws in Java programming?
throw keyword is used to throw Exception from any method or static block in Java while throws keyword, used in method declaration, denoted which Exception can possible be thrown by this method
Vinodha
What is reflection and what is its use in Java?
Its generally meant for redefining the definition of objected oriented features in more depth to intensify its object oriented design.
Rahul
0 0
7

Now ask question in any of the 1000+ Categories, and get Answers from Tutors and Trainers on UrbanPro.com

Ask a Question

Related Lessons

Interview Tip : Q1) Why Strings are immutable in java ? What happen if it was mutable in java?
As we all know that Strings in java are immutabe in nature, now the question comes why the creator made it immutable in nature, although this field used maximum in any java program. The answer to this...

Gaurav

0 0
0
Class and Objects in Java
Class is a template or a blueprint which is used to describe an object. On other hand Object is a reference of a class which follows all the stuff written inside the class. How about taking the whole tour in the following video

Kalyani Jawade

1 0
0
Android : Support multiple themes in an android application
If you are developing a theme based application to enhance user experience, then following steps needs to follow.We are taking example of an android application having 2 themes white and black.Step 1:Define...

Gaurav Bansal

0 0
0
Java Achieve (JAR)
Java Archieve is a binary form to bundle a Java library which equivalent to zip file. It contains .class files, .properties, .jpeg, OR any supporting files to execute this library. For Example- junit.jar,...

Amit K.

0 0
0
Syntax and example of java
Java syntax: Class Display - - class definition { Void Display() { System.out.println('welcome to Java') ; } Public static void main(String arcs) { Display D=new Display() ;--object creation D. Display } }

Semalla Santosh Kumar

0 0
0

Recommended Articles

Some Popular IT Courses in Current Market

In the domain of Information Technology, there is always a lot to learn and implement. However, some technologies have a relatively higher demand than the rest of the others. So here are some popular IT courses for the present and upcoming future: Cloud Computing Cloud Computing is a computing technique which is used...

Read full article >

Top 5 Reasons to Learn JavaScript

Before we start on the importance of learning JavaScript, let’s start with a short introduction on the topic. JavaScript is the most popular programming language in the world, precisely it is the language - for Computers, the Web, Servers, Smart Phone, Laptops, Mobiles, Tablets and more. And if you are a beginner or planning...

Read full article >

Why Should You Learn Java !

Java is the most famous programming language till date. 20 years is a big time for any programming language to survive and gain strength. Java has been proved to be one of the most reliable programming languages for networked computers. source:techcentral.com Java was developed to pertain over the Internet. Over...

Read full article >

Why Java is the Most Popular Programming Language

Designed in a flexible and user-friendly demeanor, Java is the most commonly used programming language for the creation of web applications and platform. It allows developers to “write once, run anywhere” (WORA). It is general-purpose, a high-level programming language developed by Sun Microsystem. Initially known as an...

Read full article >

Find Java Training Classes near you
Java Training Classes in Bangalore
Java Training Classes in Hyderabad
Java Training Classes in Pune
Java Training Classes in Chennai
Java Training Classes in Delhi
Java Training Classes in Mumbai
Java Training Classes in Kolkata
Java Training Classes in Noida
Java Training Classes in Gurgaon
Java Training Classes in Ghaziabad
Online Java Training

Looking for Java Training Classes?

Learn from the Best Tutors on UrbanPro

Are you a Tutor or Training Institute?

Join UrbanPro Today to find students near you