if else condition javascript code example

Example 1: IF else statement

var age=20;
if (age < 18) {
	console.log("underage");
} else {
	console.log("let em in!");
}

Example 2: JavaScript if else and else if

if (condition) {
  //  block of code to be executed if the condition is true
}
//-------------
if (hour < 18) {
  greeting = "Good day";
}
//-------------
if (condition) {
  //  block of code to be executed if the condition is true
} else {
  //  block of code to be executed if the condition is false
}
//-------------
if (hour < 18) {
  greeting = "Good day";
} else {
  greeting = "Good evening";
}
//-------------
if (time < 10) {
  greeting = "Good morning";
} else if (time < 20) {
  greeting = "Good day";
} else {
  greeting = "Good evening";
}

Example 3: how to use if else statement in javascript

var condition = true; // An example condition for true/false conditions

if (condition == true) {
	console.log('condition is true');  
} else {
	console.log('condition is not true');  
} // Console will output 'condition is true'

Example 4: if condition javascript

if (condition){
// if true then execute this -}
 else{
 // if statment is not true then execut this -
 }