clear a list javascript code example
Example 1: javascript empty array
arr = []; // set array=[]
//function
const empty = arr => arr.length = 0;
//example
var arr= [1,2,3,4,5];
empty(arr) // arr=[]
Example 2: javascript empty array
if (array === undefined || array.length == 0) {
// array empty or does not exist
}