src/js/type.js
function _hasOwnProperty(obj) {
    var key;
    for (key in obj) {
        if (obj.hasOwnProperty(key)) {
            return true;
        }
    }

    return false;
}
function _hasOwnProperty(obj) {
    var key;
    for (key in obj) {
        if (obj.hasOwnProperty(key)) {
            return true;
        }
    }

    return false;
}
function _hasOwnProperty ( obj ) { var key ; for ( key in obj ) { if ( obj . hasOwnProperty ( key ) ) { return true ; } } return false ; }
Check whether given argument has own property
@param {Object} obj - Target for checking
@returns {boolean} - whether given argument has own property
@memberof tui.util
@private
Check whether given argument has own property