javascript parameter default code example
Example 1: javascript constructor default parameter
function greet(name, greeting, message = greeting + ' ' + name) {
return [name, greeting, message]
}
greet('David', 'Hi')
greet('David', 'Hi', 'Happy Birthday!')
Example 2: js default parameter
function greeting (name = 'stranger') {
console.log(`Hello, ${name}!`)
}
greeting('Nick')
greeting()
Example 3: default value of functin atribute
function say(message='Hi', number=7) {
console.log(message);
console.log(number);
}
say();