js function to copy an array es6 code example
Example 1: copy one array to another javascript
/* Copying arrays or parts of arrays in JavaScript */
var fruit = ["apple", "banana", "fig"]; // Define initial array.
console.log(fruit); // ["apple", "banana", "fig"]
// Copy an entire array using .slice()
var fruit2 = fruit.slice();
console.log(fruit2); // ["apple", "banana", "fig"]
// Copy only two array indicies rather than all three
// From index 0 (inclusive) to index 2 (noninclusive)
var fruit3 = fruit.slice(0,2);
console.log(fruit3); // ["apple", "banana"]
Example 2: javascript copy array
// this is for array with complex object
var countries = [
{name: 'USA', population: '300M'},
{name: 'China', population: '1.6B'}
];
var newCountries = JSON.parse(JSON.stringify(countries));