javascript check bit flag code example

Example 1: javascript xor

//make an xor condition in javascript
if ((a && !b) || (!a && 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
}