how to callback and arguments js code example
Example 1: js callback function
const add = (num1, num2) => num1 + num2;
const result = (num1, num2, cb) => {
return "result is:" + cb(num1, num2);
}
const res = result(12, 13, add);
Example 2: how to pass callback function in javascript
function functionOne(x) { alert(x); }
function functionTwo(var1, callback) {
callback(var1);
}
functionTwo(2, functionOne);