difference between == and === in javascript
0 == false // true
0 === false // false, because they are of a different type
1 == "1" // true, automatic type conversion for value only
1 === "1" // false, because they are of a different type
null == undefined // true
null === undefined // false
'0' == false // true
'0' === false // falsejs ===
5 =='5' // true: ignores type
5 === '5' // false: includes type=== javascript
// === means equal value and equal type
var x = 5
// true
x === 5
// false
x === "5"what is == in js
//== in Javascript means to check if a value is equal to another value, and it ignores types (quotes and things like that).
var stage = "begin";
if (stage == "begin") {
Bot.send ("Hello User!");
}
//Output:
//Hello User!js !==
var x = 5;
// === equal value and equal type
// e.g. 1.
x === 5 returns true
// e.g. 2.
x === "5" returns false
// !== not equal value or not equal type
// e.g. 1.
x !== 5 returns false
// e.g. 2.
x !== "5" returns true
// e.g. 3.
x !== 8 returns true=== in js
<!DOCTYPE html>
<html>
<body>
<p id="demo"></p>
<script>
var x = abc;
document.getElementById("demo").innerHTML = (x === "ABC");
</script>
</body>
</html>Copyright © 2021 Codeinu
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