A.splice(0,A.length)
var list = [1, 2, 3, 4];
function empty() {
//empty your array
list.length = 0;
}
empty();
// or use splice() method.
list.splice(0);
A = [];
A.length = 0
var list = [1, 2, 3, 4];
function empty() {
//empty your array
list.length = 0;
}
empty();