remove duplicates from two arrays javascript

I have two arrays in javascript ,And I wand to remove duplicates from them

var array1 = [1,2,3,4,5,6,7,8,9];
var array2 = [3,5,7,11,17,19];

I want the output to be [1,2,3,4,5,6,7,8,9,11,17,19]