callback as a function code example
Example 1: callback function
function greeting(name) {
alert('Hello ' + name);
}
function processUserInput(callback) {
var name = prompt('Please enter your name.');
callback(name);
}
processUserInput(greeting);
Example 2: what are callback functions
funct printANumber(int number, funct callbackFunction) {
printout("The number you provided is: " + number);
}
funct printFinishMessage() {
printout("I have finished printing numbers.");
}
funct event() {
printANumber(6, printFinishMessage);
}