QUnit deepEqual

QUnit deepEqual

deepEqual: function( actual, expected, message ) {
	QUnit.push( QUnit.equiv(actual, expected), actual, expected, message );
}

...

innerEquiv = function() { // can take multiple arguments
	var args = [].slice.apply( arguments );
	if ( args.length < 2 ) {
		return true; // end transition
	}

	return (function( a, b ) {
		if ( a === b ) {
			return true; // catch the most you can
		} else if ( a === null || b === null || typeof a === "undefined" ||
				typeof b === "undefined" ||
				QUnit.objectType(a) !== QUnit.objectType(b) ) {
			return false; // don't lose time with error prone cases
		} else {
			return bindCallbacks(a, callbacks, [ b, a ]);
		}

		// apply transition with (1..n) arguments
	}( args[0], args[1] ) && innerEquiv.apply( this, args.splice(1, args.length - 1 )) );
};