tippy js callback code example

Example 1: callback function js

function greeting(name) {
  alert('Hello ' + name);
}

function processUserInput(callback) {
  var name = prompt('Please enter your name.');
  callback(name);
}

processUserInput(greeting);

Example 2: callback in js

function greeting(name) {
  alert('Hello ' + name);
}

function processUserInput(callback , {
  var name = prompt('Please enter your name.');
  callback(name);
}}

processUserInput(greeting);