1arr = []; // set array=[]
2
3//function
4const empty = arr => arr.length = 0;
5//example
6var arr= [1,2,3,4,5];
7empty(arr) // arr=[]
1Array.from({length: 500})
2
3// change the length to whatever value you want
1// define Array
2let list = [1, 2, 3, 4];
3function empty() {
4 //empty your array
5 list = [];
6}
7empty();
8
1let myArray = [12 , 222 , 1000 ];
2myArray.length = 0; // myArray will be equal to [].