how to check if number is even in javascript code example

Example 1: check if number is even javascript

if ( num % 2 == 0) {
	alert('Even Number');
}else{
	alert('Odd Number');
}

Example 2: check if even or odd javascript

function evenOrOdd(num) { //for string length take string
  if (num % 2 == 0) {//and replace numm with string.length here
    return "even";
  } else {
    return "odd";
  }
}

Example 3: javascript even number

let isEven = (n) => !(n&1);

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