JavaScript数组简单去重

gistfile1.js

Array.prototype.unique = function(){
	var results=this.sort();/*排序*/
	for ( var i = 1; i < results.length; i++ ) {
		if ( results[i] === results[ i - 1 ] ) {
			results.splice( i--, 1 );/*删除相邻相同元素*/
		}
	}
	return results;
};