Question

How to use conditional (ternary) operator in JavaScript

Answer 1

var price = 47;

var s = (price < 50) ? "yes" : "no";

document.write(s);
 
/*
run:

yes
 
*/

 

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Answer 2

var price = 59;

var s = (price < 50) ? "yes" : "no";

document.write(s);
 
/*
run:

no
 
*/

 

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Answer 3

var price = "expensive";
var s;

if (isNaN(price)) 
    s = "Error in price - not a number";
else 
    s = (price < 50) ? "yes" : "no";

document.write(s);
 
/*
run:

Error in price - not a number 
 
*/

 

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