Logical operators are used to perform Boolean operations on operands. Logical operators are and (&&), or ( || ) , not (!) . The value returned after using a logical operator is Boolean value true or false. Logical operators are connectors of expressions also.
| Operator | Description |
| && | Both the expression should be correct then it returns true else it returns false. It is known as "and" operator |
| || | If Any of the given expressions is found true then it returns true else it returns false. |
| ! | If the given expression is true it returns false and if given expression is false it returns true. |
<html>
<head>
</head>
<body>
<script>
var a=9
var b=8
var c=25
document.write("<br> a is : "+a)
document.write("<br> a is : "+b)
document.write("<br> a is : "+c)
document.write("<br>is a greater than b and greater c also ? : "+(a>b && a>c)) document.write("<br>is a greater than b or greater c ? : "+(a>b || a>c)) document.write("<br>not c is greater than a ? : "+!(c>a))
</script>
</body>
</html>
a is : 8
a is : 25
is a greater than b and greater c also ? : false
is a greater than b or greater c ? : true
not c is greater than a ? : false
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