javascript_isnull.js

null.js

function IsNotEmpty(val) {

    if (val === undefined)
        return false;

    if (typeof (val) == 'function' || typeof (val) == 'number' || typeof (val) == 'boolean' || Object.prototype.toString.call(val) === '[object Date]')
        return true;

    if (val == null || val.length === 0)        // null or 0 length array
        return false;

    if (typeof (val) == "object") {
        // empty object
        var r = false;

        for (var f in val) {
            if (Object.prototype.hasOwnProperty.call(val, f)) {
                r = true;
            }
        }

        return r;
    }

    return true;
}