microformat-shiv.js
function(options) {
			var key;
			for(key in options) {
				if(options.hasOwnProperty(key)) {
					this.options[key] = options[key];
				}
			}
		}
function(options) {
			var key;
			for(key in options) {
				if(options.hasOwnProperty(key)) {
					this.options[key] = options[key];
				}
			}
		}
function ( options ) { var key ; for ( key in options ) { if ( options . hasOwnProperty ( key ) ) { this . options [ key ] = options [ key ] ; } } }
merges passed and default options -single level clone of properties

@param  {Object} options
merges passed and default options - single level clone of properties