or operator in javascript
//The OR operator in Javascript is 2 verticals lines: ||
var a = true;
var b = false;
if(a || b) {
//one of them is true, code inside this block will be executed
}or operator in javascript
//The OR operator in Javascript is 2 verticals lines: ||
var a = true;
var b = false;
if(a || b) {
//one of them is true, code inside this block will be executed
}less than or equal to javascript
if(a <= 5){
yourFunction();
}js logical operators
Javascript Logical Operators
&& Logical and
|| Logical or
! Logical notand operator in javascript
//&& returns true if both values are true
//or returns the second argument if the first is true
var a = true
var b = ""
var c = 1
true && "" //""
"" && 1 //""
false && 5 //falseHow does logical operators && works in javascript?
const num = 6;
if (num <= 7 && num <= 8) {
console.log('true')
} else {
console.log('false')
}
//Expected output:truelogical operators in javascript
n1 = !true // !t returns false (the opposite of true)
n2 = !false // !f returns true (the opposite of false)
n3 = !'' // !f returns true (in JavaScript, an empty string is falsey, thus the opposite of a falsey value here is truthy.)
n4 = !'Cat' // !t returns false (non empty string is truthy, thus opposite is falsy)Copyright © 2021 Codeinu
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