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JavaScript Comparison Operators

In this tutorial, you will learn all about JavaScript comparison operators with the help of examples. In the previous tutorial, we have seen JavaScript arithmetic operators with the help of examples.

Before going through this article, we will know something about Operator.

What is Operator ?

Operator is a special symbol that perform operation on operands. Operands can be values and variables.

JavaScript Comparison Operators

JavaScript Comparison operators are used to compare two values and return a boolean value. Comparison operators are used for decision-making and loops.

JavaScript Comparison Operators

OperatorNameExample
==Equal tox == y
!=Not equal tox != y
===Strict equal tox === y
!==Not strict equal tox !== y
>Greater than x > y
<Less than x < y
>=Greater than or equal tox >= y
<=Less than or equal tox <= y

Equal to

Equal to ( == ) operator return true if the operands are equal.

var x = 10, y = 10;
console.log(x == y); // true

Not equal to

Not equal to ( != ) return true if both operands are not equal.

var x = 10, y = 12;
console.log(x != y); // true

Strict equal to

Strict equal to ( === ) return true if the both operands are equal to same type.

var x = 10;
console.log(x === 10); // true
console.log(x === '10'); // false

Strict not equal to

Strict not equal to ( !== ) return true if the both operands are strictly not equal.

var x = 10;
console.log(x !== 10); // false
console.log(x !== '10'); // true

Greater than

Greater than ( > ) operator return true if the left operand is greater than right operand.

var x = 10;
console.log(x > 6); // true 

Less than

Greater than ( < ) operator return true if the left operand is less than right operand.

var x = 10;
console.log(x < 116); // true 

Greater than or equal to

Greater than or equal to ( >= ) operator is used to return true if the left operator greater than or equal to the right operand.

var x = 10;
console.log(x >= 10); // true 

Less than or equal to

Less than or equal to ( <= ) operator is used to return true if the left operator less than or equal to the right operand.

var x = 10;
console.log(x <= 100); // true 
console.log(x <= 10); // true 

Conclusion

In this article, you have learned all about comparison operators in JavaScript with the help of examples. JavaScript comparison operators are used to always compare two or more values and return boolean values, for example, true or false.

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Reference:- Click Here

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