ternary if operator code example

Example 1: ternary operator

(condition) ? (if true, do this) : (otherwise, do this)

Example 2: ternary operator

// (condition) ? (if true, do this) : (otherwise, do this)
const hasAccount = true
// let userDisplayMessage
// if (hasAccount) {
//   userDisplayMessage = 'Welcome Back'
// } else {
//   userDisplayMessage = 'Please Sign Up'
// }
const userDisplayMessage = hasAccount ? 'Welcome Back' : 'Please Sign Up'
console.log(userDisplayMessage)

Example 3: javascript if shorthand

condition ? doThisIfTrue : doThisIfFalse

1 > 2 ? console.log(true) : console.log(false)
// returns false

Example 4: how to use ternary operator in javascript

function example(…) {
    return condition1 ? value1
         : condition2 ? value2
         : condition3 ? value3
         : value4;
}

// Equivalent to:

function example(…) {
    if (condition1) { return value1; }
    else if (condition2) { return value2; }
    else if (condition3) { return value3; }
    else { return value4; }
}

Example 5: ternary operator

isMember ? '$2.00' : '$10.00'
// isMember true =>  output: "$2.00"

// isMember false =>  output: "$10.00"

// isMember null =>  output: "$10.00"

Example 6: ternary operator

if ($scope.SearchSalesOrderAndCompanyName !== undefined && $scope.SearchSalesOrderAndCompanyName != null ) {
            SearchCriteria += " AND [SalesOrderNo] LIKE '%" + $scope.SearchSalesOrderAndCompanyName + "%' OR ([SO].[CompanyNameOnBill] LIKE '%" + $scope.SearchSalesOrderAndCompanyName + "%')";
        }
        if ($scope.FromDate !== undefined && $scope.FromDate !=null) {
            SearchCriteria += " AND [SO].[SalesOrderDate] LIKE '%" + $scope.FromDate + "%'";
        }

Tags:

Misc Example