value to test
boolean indicating whether value is an array containing a circular reference
var arr = [ 1, 2, 3 ];
arr.push( arr );
var bool = isCircularArray( arr );
// returns true
var obj = {
'a': 'beep',
'b': {
'c': 'boop'
}
};
obj.b.self = obj;
var bool = isCircularArray( obj );
// returns false
var bool = isCircularArray( [] );
// returns false
var bool = isCircularArray( null );
// returns false
Tests if a value is an array containing a circular reference.