empty array js

1arr = [];   // set array=[]
2
3//function
4const empty = arr => arr.length = 0;
5//example
6var arr= [1,2,3,4,5];
7empty(arr) // arr=[]

1if (array === undefined || array.length == 0) {
2    // array empty or does not exist
3}

1var colors = ["red","blue","green"];
2    colors = []; //empty the array

1const myArray1 = []
2// or...
3const myArray2 = new Array()

1// define Array
2let list = [1, 2, 3, 4];
3function empty() {
4    //empty your array
5    list = [];
6}
7empty();
8

1let list = [1, 2, 3, 4];
2function empty() {
3    //empty your array
4    list.length = 0;
5}
6empty();
7