leap year formula js code example
Example 1: find leap year javascript
function isLeap(year) {
if (year % 4 === 0) {
if (year % 100 === 0){
if (year % 400 == 0){
return ("Leap year.");
} else {
return ("Not leap year.");
}
} else {
return ("Leap year.");
}
} else{
return ("Not leap year.");
}
}
Example 2: js leap year calculator
// https://www.mathsisfun.com/leap-years.html
function isLeapYear(year) {
if(year % 400 === 0){
return (year + " is a leap year.");
} if(year % 100 === 0){
if(year % 400 === 0){
return (year + " is a leap year.");
} else {
return (year + " is not a leap year.");
}
} if (year % 4 === 0){
if(year % 100 === 0){
return (year + " is not a leap year.");
} else {
return (year + " is a leap year.");
}
} else {
return (year + " is not a leap year.");
}
}
// leap year
// isLeap(2024);
// not leap year
// isLeap(1930);