spread and rest javascript
var myName = ["Marina" , "Magdy" , "Shafiq"];var newArr = [...myName ,"FrontEnd" , 24];console.log(newArr) ; // ["Marina" , "Magdy" , "Shafiq" , "FrontEnd" , 24 ] ;spread and rest javascript
var myName = ["Marina" , "Magdy" , "Shafiq"];var newArr = [...myName ,"FrontEnd" , 24];console.log(newArr) ; // ["Marina" , "Magdy" , "Shafiq" , "FrontEnd" , 24 ] ;spread and rest javascript
var myName = ["Marina" , "Magdy" , "Shafiq"] ;const [firstName , ...familyName] = myName ;console.log(firstName); // Marina ;console.log(familyName); // [ "Magdy" , "Shafiq"] ;the rest operator javascript
function sum(...numbers) {
return numbers.reduce((accumulator, current) => {
return accumulator += current;
});
};
sum(1,2) // 3
sum(1,2,3,4,5) // 15Copyright © 2021 Codeinu
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