var a = varb + ' pero ' + varc; // Bad
var a = '${varb} pero ${varc}';  // Good

function test({prop1, prop2 prop3}) {
    return '${prop1}, ${prop2}, ${prop3}';
}
//or
function test(array) {
    const {prop1, prop2 prop3} = array;
    return '${prop1}, ${prop2}, ${prop3}';
}

//usage
test(array); //array with field names as above


const var1 = var2 > 5 ? 'text1' : 'text2';