arrow function
// Single-lineconst
implicit = (value) => value;
// Multi-lineconst
implicit = (value) => (
value
);(param1, param2, …, paramN) => { statements }
(param1, param2, …, paramN) => expression
// equivalent to: => { return expression; }
// Parentheses are optional when there's only one parameter name:
(singleParam) => { statements }
singleParam => { statements }
// The parameter list for a function with no parameters should be written with a pair of parentheses.
() => { statements }
// The usual way of writing function
const magic = function() {
return new Date();
};
// Arrow function syntax is used to rewrite the function
const magic = () => {
return new Date();
};
//or
const magic = () => new Date();
// Traditional Function
function (a){
return a + 100;
}
// Arrow Function Break Down
// 1. Remove the word "function" and place arrow between the argument and opening body bracket
(a) => {
return a + 100;
}
// 2. Remove the body brackets and word "return" -- the return is implied.
(a) => a + 100;
// 3. Remove the argument parentheses
a => a + 100;// Traditional Function
function bob (a){
return a + 100;
}
// Arrow Function
let bob = a => a + 100;Arrow Function is another way to write a function.
"classic method":
function x ()
{
console.log("X")
}
"arrow method":
var x= ()=>
{
console.log("X")
}
if we need to add paramiter is pritty simple:
var x = (PARAMS) =>
{
console.log(PARAMS)
}
Have a nice day