javascript获取日期间所有天

获取日期间所有天：

function getAll(begin, end) { 
    var days =new Array(); 
    var ab = begin.split("-");  
    var ae = end.split("-");  
    var db = new Date();  
    db.setUTCFullYear(ab[0], ab[1] - 1, ab[2]);  
    var de = new Date();  
    de.setUTCFullYear(ae[0], ae[1] - 1, ae[2]);  
    var unixDb = db.getTime();  
    var unixDe = de.getTime();  
    for (var k = unixDb; k <= unixDe;) {  
        days.push((new Date(parseInt(k))).format());  
        k = k + 24 * 60 * 60 * 1000;  
    }
    return days;
}