strict equality
//Strict equality operator
console.log(1 === 1);
// expected output: true
console.log('hello' === 'hello');
// expected output: true
console.log('1' === 1);
// expected output: false
console.log(0 === false);
// expected output: false
//Comparing operands of the same type
console.log("hello" === "hello"); // true
console.log("hello" === "hola"); // false
console.log(3 === 3); // true
console.log(3 === 4); // false
console.log(true === true); // true
console.log(true === false); // false
console.log(null === null); // true
//Comparing operands of different types
console.log("3" === 3); // false
console.log(true === 1); // false
console.log(null === undefined); // false
//Comparing objects
const object1 = {
name: "hello"
}
const object2 = {
name: "hello"
}
console.log(object1 === object2); // false
console.log(object1 === object1); // true
//Source: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Strict_equality
3.5
4
18 === 18 // true
18 === 19 // false
`18` == 18 // true
`18` === 18 // false
// == : loose equality operator (date type IS NOT relevant)
// === : strict equality operator (date type IS relevant)
// Note: the same applies for not equal
`18` != 18 // false
`18` !== 18 // true
Thank you!
4
3.5
(4 Votes)
0
0
0
/**
* Strict equality operator (===) checks if its two operands are identical.
*
* The 'if' statement below will yield to false.
*
* This is because the strict equality operator checks if both the data type AND the value contained are
* the same.
*/
let x = 8
let y = "8"
if (x === y)
Thank you!
0
0
0
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