logic operators javascript code example

Example 1: javascript and

var hungry=true;
var slow=true;
var anxious=true;

//&& means and
if(hungry && slow && anxious){ 
	var cause="weed";
}

Example 2: or statment javscript

if (x === 5 || x === 8)
  console.log("x is eaqual to 5 OR 8")

Example 3: and 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 //false

Example 4: and operator in javascript

//& (bitwise AND) operator
console.log(5 & 13); //outout: 5
/*
5  = 0101 (base 2)
13 = 1101 (base 2)
//AND every bit together from both numbers
+----+
|0101|
|1101|
+----+
|0101|
+----+
0101 = 5 (base 10)
*/

Example 5: logical operators javascript

// There are 3 Javascript Logical Operators
// || (OR)
// && (AND)
// ! (NOT)

if (a || b) {
	console.log("I will run if either a or b are true");
}

if (a && b) {
	console.log("I will run, if and only if a and b are both true");
}

if (!a) {
	console.log("I will only run if a is false");
}

if (a) {
	console.log("I will only run if a is true");
}