Function each$1

libs/echarts/echarts.simple.js:532–551

* 数组或对象遍历 * @memberOf module:zrender/core/util * @param {Object|Array} obj * @param {Function} cb * @param {*} [context]

(obj, cb, context)

 * @param {*} [context]
 */
function each$1(obj, cb, context) {
    if (!(obj && cb)) {
        return;
    }
    if (obj.forEach && obj.forEach === nativeForEach) {
        obj.forEach(cb, context);
    }
    else if (obj.length === +obj.length) {
        for (var i = 0, len = obj.length; i < len; i++) {
            cb.call(context, obj[i], i, obj);
        }
    }
    else {
        for (var key in obj) {
            if (obj.hasOwnProperty(key)) {
                cb.call(context, obj[key], key, obj);
            }
        }
    }
}

/**
 * 数组映射