Page Title Ternary operator demonstration, please check the JavaScript.

condition ? execute if true : execute if false

This can replace simple if else statement with one line of code.

assign to a variable depending on conditions

var foo = 0;

var test = foo == 0 ? "red" : 5;

Here, if foo is null, test = "red", else, test = 5

You can also chain the conditions to replace if(condition){if(condition2){...}else{...}}else{...} in one easy line, check the JavaScript section of this code.

action on user input & multiple conditions

(script)
var userAge = prompt(Please enter your age');

userAge isNaN ? alert('Enter numbers only') : userAge > 21 ? alert('Welcome') : false : false
(/script)

In 3 lines, we ask the age of the visitor, store it into a variable, check if the input is a number and check if it is, if the visitor is > 21.

Ternary operators exists in C, C++, Python, Java, PHP, JavaScript, Ruby...

coutable.n

Tuto : easy if else statement 📌