Test_expression ? statement1: statement2
If the given test expression is true, it returns statement1. If the test expression is false, statement2 returned.
In this example, we are going to use the Ternary Operator to find whether the person is eligible to vote or not.
When you open the browser, below shown prompt box will open. We left to default 21, and Clicked OK
Let us the output
Vote Eligibility You are not eligible to Vote
var age = prompt("Please Enter your age here:", "21");
If user enters age is 18 or above, it will display the first statement after the ? symbol.
document.write("<b>You are eligible to Vote </b> ")
document.write("<b>You are not eligible to Vote</b> ");