what is callBacking 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: callback function
const ironMan = withGloves(withBoots(withArmor(withHelmet(TonyStark))));