Function inherits

libs/echarts/echarts.simple.js:483–496

* 构造类继承关系 * * @memberOf module:zrender/core/util * @param {Function} clazz 源类 * @param {Function} baseClazz 基类

(clazz, baseClazz)

 * @param {Function} baseClazz 基类
 */
function inherits(clazz, baseClazz) {
    var clazzPrototype = clazz.prototype;
    function F() {}
    F.prototype = baseClazz.prototype;
    clazz.prototype = new F();

    for (var prop in clazzPrototype) {
        if (clazzPrototype.hasOwnProperty(prop)) {
            clazz.prototype[prop] = clazzPrototype[prop];
        }
    }
    clazz.prototype.constructor = clazz;
    clazz.superClass = baseClazz;
}

/**
 * @memberOf module:zrender/core/util