how to write a callback arrow function js code example
Example 1: arrow function in javascript
//function old way
function PrintName(name){
console.log("my name is ", name) ;
}
// Arrow function es6
const PrintName = (name) => {
return console.log("my name is " , name) ;
}
Example 2: javascript this inside arrow function
function A() {
this.val = "Error";
(function() {
this.val = "Success";
})();
}
function B() {
this.val = "Error";
(() => {
this.val = "Success";
})();
}
var a = new A();
var b = new B();
a.val // "Error"
b.val // "Success"