JavaScript implements for `ascii2native`

ascii2native.js

/**
 * javascript implements for `ascii2native`
 * 
 * @file ascii2native
 * @author zfkun(zfkun@msn.com)
 */
 
/**
 * pattern 1
 * 
 * @param {string} str
 * @return {string}
 */
function ascii2native( str ) {
    return unescape( ( str + '' ).replace( /\\(?=u[\da-z]{4})/gi, '%' ) );
}
 
/**
 * pattern 2
 * 
 * @param {string} str
 * @return {string}
 */
/*
function ascii2native( str ) {
    return ( str + '' ).replace( /\\u[\da-z]{4}/gi , function( ascii ) {
        return unescape( ascii.replace( /\\/, '%' ) );
    });
}
*/