ternary if javascript code example

Example 1: js ternary

condition ? ifTrue : ifFalse

Example 2: javascript ternary

// example:
age >= 18 ? `wine` : `water`;

// syntax:
// <expression> ? <value-if-true> : <value-if-false>

Example 3: javascript ternary operator

//ternary operator syntax and usage:
condition ? doThisIfTrue : doThisIfFalse

//Simple example:
let num1 = 1;
let num2 = 2;
num1 < num2 ? console.log("True") : console.log("False");
// => "True"

//Reverse it with greater than ( > ):
num1 > num2 ? console.log("True") : console.log("False");
// => "False"

Example 4: ternary operator shorthand javascript

let startingNum = startingNum ? otherNum : 1
// can be expressed as
let startingNum = otherNum || 1

// Another scenario not covered here is if you want the value 
// to return false when not matched. 
//The JavaScript shorthandfor this is:
let startingNum = startingNum ? otherNum : 0
// But it can be expressed as
let startingNum = startingNum && otherNum

Example 5: js ternary operator

var numOfBottles = 99;

while(numOfBottles > 0){
	
  	// ternary use, instead of using if / else 
    var bottles = numOfBottles < 2 ? "bottle" : "bottles";

    console.log(numOfBottles + " " + bottles + " of beer on the wall.");
    console.log(numOfBottles + " " + bottles + " of beer,");
    console.log("take one down, pass it around,");
    numOfBottles--;

    console.log(numOfBottles + " " + bottles + " of beer on the wall.");
}

Example 6: examples of Conditional Operator js

var age = 19;
var canDrive = age > 16 ? 'yes' : 'no';