JavaScript Matriz vazia
arr = []; // set array=[]
//function
const empty = arr => arr.length = 0;
//example
var arr= [1,2,3,4,5];
empty(arr) // arr=[]
Batman
arr = []; // set array=[]
//function
const empty = arr => arr.length = 0;
//example
var arr= [1,2,3,4,5];
empty(arr) // arr=[]const myArray1 = []
// or...
const myArray2 = new Array()A = [];Array.from({length: 500})
// change the length to whatever value you wantlet arrayName = [];// Variable array for a wider scope:
var arrayName = [];
// Local scope variable array:
let arrayName = [];