javascript shift right code example
Example 1: right shift operator js
(A >> B) == Math.floor(A / (2 ** B)) == Math.floor(A / Math.pow(2, B))
Example 2: javascript bitwise flags
var myEnum = {
left: 1,
right: 2,
top: 4,
bottom: 8
}
var myConfig = myEnum.left | myEnum.right;
if (myConfig & myEnum.right) {
// right flag is set
}