闭包 即2.js 创建一个函数的原型对象init函数 (function (window) { function Player($audio) { return new Player.prototype.init($audio); } window.Player = Player; })(window); 调用 即 1.js 闭包创建 对象 $(function () { var $audio = $("audio"); var Player = new Player($audio); }...
all是变量名称,前面的$符号没有实际意义,只是var声明一个变量,名称叫$all var $all= $( '<div style="width:' + _width + 'px;height:' + _height+'px;"></div>' );这句是jquery框架的用法,相当于jQuery(html),就是创建一个页面元素div赋给$all这个变量.
您好,您的问题出在您定义类出错了,如果您想构造线您可以参考https://iclient.supermap.io/examples/...
());这是修改后 js[*]var test = (function(){[*] function aaa(){[*] return '*aaa*';[*] }[*] [*] return {[*] a : aaa,[*] b : 'bbb',[*] c : 'ccc'[*] }[*]})();[*][*]var t = new test();alert(t.a());但是会报错 FireBug 提示 test is not a constructor...
Player let player = new Player() const Room = function () { } exports.Room = Room And the error: /home/mosi/Github/test/Room.js:2 let player = new Player() ^ TypeError: Player is not a constructor at Object.<anonymous> (/home/mosi/Github/test/Room.js:2:14) a...
Player($audio) { return new Player.prototype.init($audio); } window.Player = Player; })(window);调用 即 1.js 闭包创建 对象 $(function () { var $audio = $("audio"); var Player = new Player($audio); })为何创建的 player 报错:Uncaught TypeError: Player is not a constructor ...
throw new Error("[Ext.create] Invalid class name or alias '" + name + "' specified, must be a non-empty string"); } //</debug> name = Manager.resolveName(name); cls = Manager.get(name); } // Still not existing at this point, try to load it via synchronous mode as the last...
I'm getting "HttpHandlers is not a constructor" error when trying to instantiate that class using "new". Class being instantiated (../lib/restifyHandlers/HttpHandlers): var config = require('config'); module.exports.config = config; var util = require('util'); var _ = require('underscor...
7、TypeError: 'x' is not a constructor 含义:表示 ‘x’不是构造函数 为什么报错? 使用不是构造器的对象或者变量来作为构造器使用。 比如:new 10。 举个栗子 代码语言:javascript 复制 letCar=1;newCar();newMath(); 处理办法 使用正确的构造函数。
一个测试页面,需要导入一个外部的HTML&js日历插件,一开始出现babel问题,解决完又出现了这个问题,调试了一天实在没辙求大佬们帮忙看看。【报的错误】(错误描述:HelloWorld.vue?b82f:15 Uncaught TypeError: __WEBPACK_IMPORTED_MODULE_1__js_simple_calendar_js__.a is not a constructor) 报错的是这一行 【te...