function unique( arr ) {
			let result = [];
			arr.forEach( ( item, _ ) => {
				if( !result.includes( item ) ){
					result.push( item );
				}
			} );
			return result;
		}
/**
		 * Removes duplicate values in an array.
		 * @param {Array} arr The array to remove duplicate values from.
		 * @returns {Array} The uniquified array.
		 * @memberof XtraUtils.Array.
		 * @example
		 * Array.unique([1, 2, 3, 1, '1']);		// [1, 2, 3, '1']
		 */
Removes duplicate values in an array.
@param {Array} arr The array to remove duplicate values from.
@returns {Array} The uniquified array.
Removes duplicate values in an array . @param { Array } arr The array to remove duplicate values from . @returns { Array } The uniquified array .
function unique( arr ) {
			let result = [];
			arr.forEach( ( item, _ ) => {
				if( !result.includes( item ) ){
					result.push( item );
				}
			} );
			return result;
		}
function unique ( arr ) { let result = [ ] ; arr . forEach ( ( item , _ ) => { if ( ! result . includes ( item ) ) { result . push ( item ) ; } } ) ; return result ; }
Removes duplicate values in an array.
Removes duplicate values in an array .