what to do for alot of if else statements javascript code example

Example 1: javascript if else

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

Example 2: 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'